Potato Country February 2024

PotatoCountry.com • February 2024

Western focus with national impact for 40 years

Potato

Expo

2024

ADVERTISER INDEX Bayer .................................... 2 Colorado Seed .................... 21 E-Z Tarp .............................. 10 Gowan................................ 28 Greentronics....................... 14 Idaho Crop.......................... 20 Inter Agra ............................. 5 Kerian................................... 5 Lake Seed ........................... 11 Lockwood ............................. 5 Montana Seed .................... 15 Nutri-Cal............................... 9

Redox ................................. 19 Schutter Seed ..................... 23 Skone Irrigation .................. 24 SpudEquip.com .................. 17 Stukenholtz ........................ 25 The Potato Podcast Sponsored by Vive .............. 22 Teleos ................................. 27 Titan Steel .......................... 11 Verbruggen......................... 18 Western Trailers ................. 21

PLUS: Essential Oils Crop Protection Essentials Photos From Past Potato Expos

ALWAYS READ AND FOLLOW PESTICIDE LABEL DIRECTIONS. Not all products are registered for use in all states and may be subject to use restrictions. The distribution, sale, or use of an unregistered pesticide is a violation of federal and/or state law and is strictly prohibited. Check with your local dealer or representative for the product registration status in your state. Bayer, Bayer Cross, Emesto, and Velum are registered trademarks of Bayer Group. All other trademarks are the property of their respective owners. For additional product information, call toll-free 1-866-99-BAYER (1-866-992-2937) or visit our website at www.BayerCropScience.us. Bayer CropScience LP, 800 North Lindbergh Boulevard, St. Louis, MO 63167. ©2024 Bayer Group. All rights reserved. ®

®

2 Potato Country • February 2024

TABLE OF CONTENTS Vol. 40 No. 2 PO Box 333, Roberts, Idaho 83444 Telephone: (208) 520-6461 Circulation: (503) 724-3581

PotatoCountry.com

Country Western focus. National impact.

FEBRUARY 2024

6 We're Here Because You're Here Potato Expo 2024

EDITOR

Denise Keller editor@ColumbiaMediaGroup.com

OPERATIONS MANAGER, ADVERTISING Brian Feist brian@ColumbiaMediaGroup.com

PUBLISHER, ADVERTISING

Dave Alexander dave@ColumbiaMediaGroup.com

INSECT IDENTIFICATION

12 Crop Protection Essentials Buyers' Guide

Andy Jensen www.nwpotatoresearch.com

DISEASE IDENTIFICATION

Jeff Miller jeff@millerresearch.com

14 Potato Country Turns 40 A Look Back at Past Potato Expos

MARKET REPORT

Ben Eborn napmn@napmn.com

POTATO GROWERS OF WASHINGTON

18 Essential Oils

Dale Lathim dale@pgw.net

Investigating Alternatives to Conventional Growth Inhibitors for Stored Potatoes

24 North American Frozen Processing Supply Update Market Report

EDITORIAL INFORMATION

Potato Country is interested in newsworthy material related to potato production and marketing. Contributions from all segments of the industry are welcome. Submit news releases, new product submissions, stories and photos via email to: editor@ColumbiaMediaGroup.com.

ADVERTISING SALES

For information about advertising rates, mechanics, deadlines, etc., call (208) 520-6461 or email dave@PotatoCountry.com.

SUBSCRIPTIONS

U.S. $24 per year / Canada $40 per year / Foreign $80 per year Subscriptions can be entered online at: potatocountry.com/subscribe or call (503) 724-3581.

Email address changes/corrections to: brian@ColumbiaMediaGroup.com or send to Potato Country, PO Box 333, Roberts, ID 83444.

Potato Country magazine (ISSN 0886-4780), is published eight times per year and mailed under a standard rate mailing permit at Idaho Falls, Idaho and at additional mailing offices.

It is produced by: Columbia Media Group, PO Box 333, Roberts, ID 83444 Copyright 2023. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose without the express written permission of Columbia Media Group.

EDITORIAL BOARD At Potato Expo in 2017, Sanjay Gupta with University of Minnesota explains his poster presentation in San Francisco. See more memories from past Potato Expos on pages 14-17.

ON THE COVER Current NPC president R.J. Andrus (left) and first vice president Bob Mattive officially open Potato Expo 2024 at the ribbon-cutting ceremony. Photo courtesy National Potato Council See story on page 6.

DEPARTMENTS 20 In the News 22 Disease Quiz

Chris Voigt

Executive Director Oregon Potato Commission (503) 239-4763

23 Calendar 26 PGW Column 26 Advertiser Index Nina Zidack

4 Potato Country • February 2024

Gary Roth

Executive Director Washington State Potato Commission (509) 765-8845

Director Montana Seed Potato Certification (406) 994-3150

Jamey Higham President/CEO Idaho Potato Commission (208) 334-2350

Jim Ehrlich

President/CEO Colorado Potato Commission (719) 852-3322

Kerian SPEED SIZER Sorts Potatoes By Size Quickly And Accurately

Proven for use in: Reds, Russets, Round Whites, Gold Rush and more Potato Sizing Video Now Available:

www.kerian.com

GENTLE: Grades by size without damaging potatoes ACCURATE: Precisely grades potatoes of all shapes and varieties FAST: Thirteen standard models custom-designed to meet your needs sort from 1000 lb/hr to 150,000 lb/hr SIMPLE: Effective but simple design provides a rugged, low cost, low maintenance machine at a high value to our customers.

It can even be used in the field!

KERIAN MACHINES INC. 1709 Hwy 81 S, PO Box 311, Grafton, ND USA 58237

701-352-0480 • sales@kerian.com Fax 701-352-3776

PotatoCountry.com

5

We’re Here

Because You’re Here Story and photos by Dave Alexander, Publisher

T

This new Greentronics scale panel on display at Potato Expo is now touchscreen and features better menus, making navigation through the menus easier. The system has been redesigned and is now smaller and more compact.

he answer to the question “why are you here at Potato Expo?” is most often some form of “networking.” In essence, it’s something like, “we’re here because you're here.”

Perhaps Justin Dagen with Dagen Heritage Farms in Karlstad, Minnesota, said it best.

“The networking has gone exponential. Everybody from the industry is here, regardless of segment. It's a great place to be. I'll come here until I die,” Dagen said.

Dagen is one of the founders of Expo, serving on the National Potato Council (NPC) board at the time of inception. So it only makes sense he comes every year.

But he still finds the time spent valuable, especially the networking.

Potato Expo is like a snowball rolling downhill, gaining momentum, packing more snow as it goes, growing ever larger.

Randy Mullen and Shelley Olsen get bids on an item at the Potato LEAF auction. The auction raised over $90,000 in a few minutes.

6 Potato Country • February 2024

Suberizer displays a 3D-printed 1:95 scale model of the company’s new storage building that features an interior fan house.

From left, moderator Jonathan Adamson with Vive, Brian Neufeld with Neufeld Farms, Eric Ritchie with McCain Foods and Jeff Miller with Miller Research discuss the future of biologicals in potato production.

PotatoCountry.com

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POTATO EXPO 2024

Potato Expo is the place to see new tech. Here, Terry and Marcus Good display HyperSound, a machine that treats potato seed with sound before planting. The company claims more yield, better quality and healthier plants.

Quebec Canadian growers Marie Josee (front) with Exploitation Agricole G.B. and Michelle Flis with PPTQ try out the golden tractor in the Frito-Lay booth.

Though only a team of five talented people, NPC seems to think of everything when planning Expo, including signage for the street lights outside the convention center.

8 Potato Country • February 2024

The NPC planners of Expo just plain “get it.” At Expo, things go off on time and without a hitch. Booths are busy. The venue is beautiful and filled with helpful signage. Speakers are prepared. People have fun.

Records were set at Potato Expo 2024, held Jan. 10-11 in Austin, Texas, both in numbers of attendees and vendor booths. Aside from their impressive coordination, planning and marketing blitz, even the NPC team will admit they don’t fully know why this event is now and has been the de facto gathering spot for those in the potato industry.

We talked to some attendees to get their thoughts.

Thoughts on Expo

UN LO

M IU

This year was the second Expo for trade show vendor Sam Chavosi with Agnema. He came to expose his testing service to more people and a larger market.

“Here, we are showing other businesses that we are active, we Neil Gudmestad with CSS Farms answers questions about new Velum Rise from Bayer. are a part of the industry, and we are contributing to the same cause,” Chavosi said.

Tommy Caldon with Caldon Farms in Sanford, Colorado, said he came to Expo primarily to meet people and to learn.

The first-time Expo attendee has been growing spuds for about 10 years in small The Calcium Solution quantities, but this year spuds will be his main crop.

“We’ve got a lot to learn, but that’s why we’re here,” Caldon said.

THE KEY TO C G AL N Another first-timer, Blake Thorland, KI C C came to Expo from Greenville, Michigan, for Frito-Lay meetings and to see “new • Best tuber quality that distinguishes stuff.” He said he had always wanted your product over competitors to attend and the meetings gave him • Reduces crop loss “a good excuse to get here and see the • Reduces Storage Bruises and Black Heart show.”

William Johnson with Hampton Potato • Longer storage and shelf life Growers in Essexville, Michigan, has been • Increases tuber firmness and skin set to most previous Expos when they were • Highlights color, firmness and taste in the South. The chip grower and his family like to combine a vacation with Expo when the event is in a warmer climate. Johnson was attending this year for the first time since the pandemic to meet with his buyers face-to-face.

Western States Brad Walter with Schoonover Farms WALT GRIGG C.S.I. CORP. comes to Expo every year.CHEMICAL The chip 509-952-7558 grower from Odessa, Washington, mostly

PotatoCountry.com

9

POTATO EXPO 2024 comes for networking. He is able to meet with his buyers, Frito-Lay, Lamb Weston and Simplot, during the show.

“This is the one place that you can meet them all and get it essentially over with,” Walter said.

He also wanted to find out more about what is going on in the market.

“It's pretty hectic right now on the processing side, anyway. Last year, you could sell every potato, up until June, July, you saw in your life. Now you just about can’t give them away,” he said.

One of only two potato growers in Oklahoma, Chris Slagell with Triple S Farms in Hydro, Oklahoma, hadn’t been to Expo in a few years, but used to attend regularly when he was on the board. He came to catch up on what is going on in the industry, to check out new products and also to meet with his buyer, Frito-Lay. The processor is asking its growers to have zero emissions by 2030 and to cut back on center pivot use to save water.

To work toward saving water, Slagell met with Dragon-Line at the trade show and will try some of the company’s pivot-todrip conversion technology this year.

The Automatic Truck Tarper Fully automated tarp installs easily and is completely operational from the cab of your truck.

Visit our web site and view videos and photos.

Learn how convenient we can make your hauling.

Designed to make covering and uncovering truck loads safer, faster, and easier.

New Crop Protection

We found two new crop protection products at Potato Expo, both of which we believe will have a huge impact on the industry.

Salibro from Corteva is a new nematicide using the brand new proprietary active Reklemel. According to Corteva, this new and unique mode of action controls nematodes while preserving soil health. What makes Salibro unique is that the formulation won’t harm beneficial nematodes, beneficial soil fungi or soil bacteria and it is easy and safe to use. Federal registration is completed and state registrations should be done (except for California) in time for in-furrow planting.

Britt Beane with Corteva said Salibro will help put growers on a path to sustainability and will be “another tool in a fumigant-free future.”

New Velum Rise from Bayer CropScience is the same formulation as nematicide/fungicide Velum Prime, which uses fluopyram as the active, with proprietary active penflufen added. So basically, all the benefits of using Velum Prime are available in Velum Rise, but Velum Rise can also control Rhizoctonia, black dot and Verticillium wilt. John Martin with Bayer CropScience said Velum Rise will be an easy choice for growers already using Velum Prime.

“With the penflufen in there, it’s an easy, more cost-effective way to control Rhizoc,” Martin said.

Rolling On

If you’re interested in upping your networking game, getting more education and/or seeing new technology, make plans to attend Potato Expo 2025 on Jan. 14-15 in Las Vegas.

We’ll be there because you’ll be there.

Monica Heath with Potatoes USA wears a shirt that could be called Steal Your Spuds. If you know, you know.

Larae Mattive (left) and Amanda Schreck from Colorado enjoy a couch potato spot on the Potato Expo floor.

6 South, 1000 West • Blackfoot, ID 83221 Email: atsuk@live.com 10 Potato Country • February 2024

Coming in the next issue of

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11

CROP PROTECTION ESSENTIALS AMVAC

amvac.com/potatoes

Ecozin Plus

Ecozin Plus, a product from AMVAC’s GreenSolutions portfolio, effectively targets a wide range of insects and nematodes that can be detrimental to potato growth, with low-use rates and whole-plant protection in organic and nonorganic operations. Ecozin Plus utilizes a botanical insect growth regulator (IGR) to control insects in the larval/nymphal and pupal stages by interfering with the molting process.

Bayer

bayerpotato75dayipm.com

75-Day IPM Potato Portfolio

The Bayer family of products is powerful, especially when used together.

When combined, they create an agronomic force ¬field around potatoes, providing protection during the ¬first 75 days when potatoes are most susceptible to pests and diseases.

With the Bayer 75-Day Integrated Pest Management Program, growers can safeguard their potatoes against nature’s harmful pests and diseases, as well as help create a successful harvest and higher yield potential.

Corteva Agriscience

corteva.us/salibronematicide

Salibro

Salibro nematicide with Reklemel active received U.S. EPA registration in 2023. For potatoes, it offers quick and effective protection from plant-parasitic nematodes without disrupting the healthy balance of beneficial organisms in the soil. Nematodes controlled include root-knot and stubby root.

As the first sulfonamide nematicide, Salibro will provide a new mode of action for effective resistance management. Reklemel active, discovered and developed by Corteva, is a non-fumigant. It received a “reduced risk” designation from the U.S. Environmental Protection Agency Office of Pesticides Program. The signal word is “caution.”

Salibro offers a more favorable environmental profile than certain other nematode control products used in potatoes. It has exceptionally high compatibility with soil health, including beneficial nematodes, beneficial soil fungi and soil bacteria.

12 Potato Country • February 2024

JH Biotech

www.jhbiotech.com/plant-products/fosphite

Fosphite Fungicide

Fosphite is an EPA-approved, reduced-risk fungicide for year-round protection and control. A fantastic input in any integrated crop management program, Fosphite is a systematic fungicide with two modes of action.

Working as a plant protectant and as a growth promoter, Fosphite prevents severe disease while supporting potato growth and yield. Fosphite protects potato production by slowing the growth of pathogens and inhibiting sporulation to prevent fungal infections. Effectively fighting off diseases while remaining gentle on crops, Fosphite has a zero-day pre-harvest interval and a four-hour re-entry interval.

NovaSource

novasource.com/en/products/linex

Linex

Linex is gaining in popularity as growers are facing resistant weeds more often due to continued applications of glyphosate, triazines and other herbicides. Linex is their go-to solution. Linex, a Group 7 herbicide, provides broad-spectrum control of dozens of tough grasses and broadleaf weeds and provides a different mode of action versus ALS-inhibitor (Group 2) or triazine-based (Group 5) herbicides.

Restrain restrain.io

Ethylene Sprout Control & Seed Treatment

Restrain is the manufacturer of a unique generator that converts ethanol into ethylene gas for the control of sprouts in potatoes and onions. Used in over 40 countries, the technology has been proven effective to control sprouts in long-term storages. The process is safe for storage managers, leaves no residue and is an effective sprout control for potatoes, onions, shallots and garlic.

Restrain also offers a seed potato treatment called Accumulator that is formulated to increase stem numbers, yield and profit. The product has recently gained an organic label in Canada, and the company is working on an organic label in the U.S.

Vive Crop Protection

vivecrop.com/products/azterknot

AZterknot

For potato growers seeking to improve stress tolerance, optimize growth efficiency and deliver proven disease control, AZterknot combines a trusted strobilurin with a bio-stimulant to maximize yield potential and return on investment, all while providing peace of mind to the grower. Potatoes grown with AZterknot in-furrow are shown to have noticeably larger roots with more fibrous hairs, which leads to an increased number of healthy potatoes under the hill.

AZterknot also provides superior foliar leaf coverage. AZterknot droplets stick in a superior manner, improving droplet retention and maximizing the surface area protected, leading to higher quality tubers and larger yields.

PotatoCountry.com

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Potato Country

Turns 40 I

2010: Pasco, Wash., growers Allen Olberding and Ed Schneider share a laugh at Potato Expo in Orlando.

IN-LINE SCALE

FOR MORE INFORMATION:

519-669-4698

f STORING

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f TREATING

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14 Potato Country • February 2024

info@greentronics.com

n the spirit of the 40th anniversary of Potato Country, and since this issue covers the 2024 Potato Expo, we couldn’t think of anything better than raiding the archives for old Expo photos.

The first Potato Expo was in 2009.

Billed as the “first conference and trade show to bring together the chip, fresh, process and seed sectors of the potato industry,” the Expo has seen steady growth and this year achieved record numbers in vendor booths and participants.

If you have an old photo that you think would be perfect for upcoming 40th anniversary issues, email it to editor@ columbiamediagroup.com.

And enjoy these memories from past Potato Expos.

2018: Chef R.J. Harvey with Potatoes USA prepares a dish at the 10th anniversary of Expo in Orlando.

2010: Attendees at Expo in Orlando enjoy the onstage entertainment.

2012: John Keeling (far right), former NPC CEO, directs an industry panel in Orlando.

PotatoCountry.com

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2006: Before Expo existed, the NPC Seed Seminar and Potato Industry Outlook Summit were combined into one event. Here, Walt Stevenson with the University of Wisconsin-Madison accepts the Meritorious Service Award in Chicago.

2013: The 64th NPC Annual Meeting immediately followed Potato Expo at Caesars Palace in Las Vegas. Here, newly elected NPC president Randy Mullen (left) from Pasco, Wash., presents a plaque to previous president Steve Crane.

2010: Allen Floyd from Othello, Wash., speaks at the NPC meeting during Expo in Orlando.

16 Potato Country • February 2024

2012: The Supermarket Guru Phil Lempert (right) conducts interviews with members of a local consumer panel.

2017: Retired Idaho Potato Commission President/CEO Frank Muir (left) and Ragen Darrington with IVI enjoy a game of foosball at Potato Expo in San Francisco.

2012: Walter Scheib, who worked as the White House executive chef from 1994 until 2005, speaks at the Expo in Orlando.

PLANTERS

2002 Kverneland 3300 Cup 6 row 36” Pull type, Hyd. Drive 2011 Lockwood 6 row Air Cup 34” semi mount hyd drive 2013 Spudnik 8069 bed planter 9 units in 6 row Pull Type 2008 Spudnik 8080 Pull type cup, 8 row, 36” 2007 Spudnik 8060 hyd. Drive, 36”

SEED CUTTERS

2017 Milestone 6020 60” 3ph 2012 Milestone 72” 230 volt 3ph 1994 Milestone model 60” 230 volt 3ph

TREATERS

2016 Excel 10” liquid and dry treater 230 V 3ph 1991 Better Built CDT10- 8” Cannon Duster 1994 Better Built CDT10- 8” Cannon Duster

WATER DAMMERS/ POWER HILLER

2019 Ag Vantage 8 row 36” 2014 Logan 8 row Yield Pro 36” folding wings Water Dammer Milestone 6 row Water Saver 36” spacing 2000 Struik 4ZF90 Inter Row Power Hiller 4 row 36”

PILERS

1998 Double L 831 36” x 49’ Belted chain, remote 3ph 1996 Double L 831 36” x 49’ Belt Chain, remote 3ph 1996 Double L 831 36” x 49’ All belt 3ph 1990 Double L 813 30” x 49’ Belt chain 3ph 1998 Milestone 36”x 48’ 3ph 1991 Spudnik 550 36” x 48’ Belt chain, remote 3ph 1987 Spudnik 550 30” x 48’ all belt, 3ph

SCOOPERS

2014 Mayo model 180 30” 230 Volt 3ph 1990 Spudnik 100 24” 3ph 1982 Spudnik 100 24” 3ph

2010: Idaho potato grower Boyd Foster and his family practice the hula in Orlando.

TRUCKS

CONVEYORS TELESCOPIC

BULK BEDS/BOXES/ SELF UNLOADING

CONVEYORS STRAIGHT

2004 Kenworth W900 M11 Cum 350hp 15speed Tran. Spudnik 26’ bed 1998 Volvo 13spd cummins 400hp Tri Drive, Spudnik 22’ Bed 1993 Double L model 801 20’ Elec.

1982 Double L model 801 20’ Elec.

1997 Logan 90series 20’ 1985 Logan 20B Electric 20’ 1992 Spudnik 2100 20’ Electric 1990 Spudnik 2100 20’ Electric 1990 Spudnik 2100 26’ Electric 1986 Spudik 2000 20’ electric

CROSSOVERS/WINDROWERS 2014 Double L 6560 36” 6 row 2015 Double L 6560 36” 6 row 2009 Double L 951 34” bed 4row 1996 Double L 851 36” bed 4 row 2017 Lockwood 554 36” bed 4 row LH 2019 Spudnik 6140 32” rows R&L discharge 2007 Spudnik 6140 36” bed 4 row RH 2004 Spudnik 6140 34” bed 4 row LH

HARVESTERS

2020 Double L 973 36” bed 4 row 2018 Double L 7340 36” bed 4 row 2014 Lockwood 674 36” bed 4 row 2012 Lockwood 474H 4 row 2004 Spudnik 6400 4 row 34” 2001 Spudnik 5625 36” bed 2 row

COLLECTORS & STINGERS/PUPS

2019 Spudnik 1600 Collector 60” belt, 1-42”, 2-36” stinger/pups 2015 Logan Collect Pro Cart 48” belted chain, dirt belts, 2 -30” Logan belt stinger/pups 2007 Double L 833 30” Belt Chain only 2015 Double L 832 36” BC with fingers 2013 Logan STGT 36” Telescopic 230 V 3ph

New in stock: 2023 Logan 42” x 100’ 230 Volt 3ph Milestone 30”/36” x 60’ Tel. Conv.

480 volt 3ph 1996 STI 30” x 70’ 3ph Tel. Conv.

Spudnik Model 1205 30” x 25’ 230 Volt 3ph Spudnik Model 1200 30” x 15’ 230 Volt 3ph Spudnik Model 1205 30” x 40’ 3ph x 5

SIZER ONLY

2017 Milestone 48” 480 Volt 3ph 2004 Spudnik 925 84” 230 Volt 3ph 1998 Spudnik 925 72” 230 volt 3ph 1998 Spudnik 925 72” 1ph 1996 Spudnik 925 72” 3 phase

DIRT ELIMINATOR W/SIZER

1997 Double L 807 Dirt Elim. 62” BC 3ph Stingers 72” Sizer 2010 Milestone 60” sizing table only w/acorns quick adjust arms 1994 Milestone 72” Dirt Elim. Sizer, 2 – 24” x 12’ stingers 2011 Spudnik 96” 990 BC Elev.

Reverse roll table, sizing table, split picking, cross out conv.

2004 Spudnik 995 DES 72” Q A dirt & Size roll tables, split picking 230 volt 3ph.

2002 Spudnik 72” DE belt elev

PREMIUM USED EQUIPMENT QUICK & RELIABLE PURCHASE

DIRT ELIMINATOR ONLY

2000 Double L Model 878 80” BC hopper, fingers, BC picking table 3ph.

1997 Double L 807 Dirt Elim. 62” Belt Chain feed, Urethane finger rollers, belt table, 3ph 2017 Milestone 96” 480 3phase 2006 Spudnik 925 72” 3phase 2006 Spudnik 995 72”Finger rollers, ellis table, Belt Chain table 230 V, 3phase 1990 Spudnik 950 72” 230 volt 3phase

ROCK/CLOD/AIR ELIMINATORS

2013 Harriston 3240 Clod Hopper 3ph 2011 Harriston 3240 Clod Hopper 3ph 2003 Harriston 240 Clod Hopper 3ph 2001 Harriston 200 Clod Hopper Ellis table 1ph

EVEN FLOWS/ SURGE HOPPER

New Logan 2024 Surge Hopper New Logan 2024 Even Flow

PLANTER FILLER DIRT TARE

1985 Spudnik model 1100 Tube loader 20’

MISC.

48” x 15’ Custom built Potato Brusher Shop built Tire roller w/ water tank, 6 row and 4 row Ace Roll over Hyd. Reset Plow 5 bottom 2020 Logan Barrel Washer for little potatoes Belly Dump unloader attachment for Scooper Warehouse Evenflows: 1200 cwt, 900 cwt, 400 cwt Greentronics Scale Kerian 60” sizer

NOT COMPLETE LIST. CALL OR CHECK:

SPUDEQUIP.COM

BRUCE: (208)390-5120 | BRUCEN@TRISTEELMFG.COM • EVAN: (208)757-8481 | EVANN@TRISTEELMFG.COM • MAX: (701)740-7574 | MAXW@TRISTEELMFG.COM

PotatoCountry.com

17

Essential Oils

Investigating Alternatives to Conventional Growth Inhibitors for Stored Potatoes

By Valtcho Jeliazkov, Oregon State University

R

esearchers at Oregon State University (OSU) have received a $2 million grant from the U.S. Department of Agriculture to develop treatments

that prevent sprouting and spoilage in stored potatoes, focusing on the organic potato market. This research is crucial, given the organic sector’s rapid growth

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18 Potato Country • February 2024

in U.S. agriculture, with organic food sales surpassing $60 billion in 2022, emphasizing the need for maintaining product quality and longevity.

The Background

Dormancy is a physiological condition in which plants respond to stress by entering into a state of growth suspension. The dormancy period in potatoes is characterized by the absence of visible growth of buds (sprouts) and is under environmental, physiological and hormonal control. Extended dormancy is desirable and essential to potato storage and for providing a consistent potato supply for the fresh market, the processing industry and for the seed potatoes needed for planting the next crop.

Sprouting in potato occurs when dormancy is broken. Control of sprouting is critical for potato storage since sprouting leads to alterations in weight, texture, nutritional value, softening, shrinkage and formation of toxic alkaloids. For long-term storage of potatoes (up to nine months), storage at 8–12 degrees Celsius with 85–90 percent relative humidity is the most appropriate method. However, once the natural dormancy period of the tuber is over, this storage temperature of 8–12 degrees Celsius is favorable for sprouting and sprout growth. Cold temperature storage will also alter sugar content, primarily glucose. Higher concentrations of glucose cause products to fry dark, resulting in unacceptable potato product color.

Therefore, the use of a potato sprout suppressant is essential.

Sprouting reduces a potato’s market appeal in appearance, taste and texture, leading to shorter storage life and potential economic losses, especially in the organic sector. Historically, chlorpropham (CIPC) has been used

to mitigate sprouting and reduce food waste. However, due to health and environmental concerns, CIPC is now banned in the European Union.

The Research

The organic potato industry can’t rely on synthetic chemicals like CIPC. Thus, the Jeliazkov lab at OSU is investigating about 200 plant essential oils for their anti-sprouting effects, seeking natural alternatives for organic potato storage, although these require more frequent applications and are costlier than CIPC. The research team is taking an innovative approach, according to Kyriakos Stylianou, assistant professor of chemistry in the College of Science.

“We aim to find strategies to control the gradual release of these oils, thus prolonging the inhibitory effects on potato sprouting,” Stylianou said. “The polymers will be shaped as hollow beads capable of retaining essential oils and prepared as microemulsions in Adam Alani’s College of Pharmacy lab. Our team will experimentally optimize several conditions to tune the size of these beads, and we will spray potatoes and investigate the impact on sprouting.”

Robyn Tanguay and Lisa Truong from the College of Agricultural Sciences will lead safety tests on these treatments.

Neal Stewart from the University of Tennessee will examine changes in potato chemistry and hormonal balance post-treatment. The project also involves Charles Cantrell from the USDA, as well as 1,4 GROUP, a sprout inhibitor supplier.

Funding comes from the USDA’s National Institute of Food and Agriculture via the Organic Agricultural Research and Extension Initiative. The project started in October 2023 and will continue until September 2025.

OSU researchers’ preliminary study compares lemon balm (Melissa officinalis L.) essential oil on the right (treatment 267) to the non-treated control on the left.

Find out the unique appeal of Idaho potatoes, and the agronomic keys to success for grower Blake Matthews, in this episode of the Redox Grows Podcast:

Scan the QR code to listen to the Podcast

Subscribe at PotatoCountry.com/subscribe

redoxgrows.com @redoxgrows Contact us for more information at (208) 678-2610

PotatoCountry.com

19

IN THE NEWS

Study Suggests Potatoes Prompt Kids to Eat More Veggies

A recent study showed that serving kid-friendly forms of potatoes with other vegetables in a cafeteria setting increased kids’ overall vegetable consumption. The study titled “The Effects of Potato Presentation on Vegetable Intake in School-Aged Children: A Cross-Over Study” is published in the scientific journal “Nutrients.”

During the study, children were given mixed peas and carrots with or without potatoes, prepared and served in various manners. Study participants ate more of their total vegetables when their serving included potatoes in the shape of smiley faces.

20 Potato Country • February 2024

IPC Introduces New Retail Promotion Director Patrick Mills has joined the Idaho Potato Commission (IPC) as the retail promotion director for the western U.S. and Canada, following the retirement of Kent Beesley.

Mills brings more than 25 years of experience in the produce industry. Based in the Denver area, Mills launched his career as a produce merchandiser at Safeway in 2000 and then advanced to manage produce and floral products at Sprouts Farmers Market and Lucky’s Market. Prior to that, he grew up working at his parents’ and grandparents’ wholesale produce company in Denver, a business that dates back to 1913.

Michigan Potato Industry Commission Elects Leaders Ryan Norton has been elected to serve as chairman of the Michigan Potato Industry Commission for 2024. Norton is farm manager at Walther Farms and served as the commission’s vice-chair last year. Mike Phillips, the supply and quality manager at Walther Farms, was elected as the new vice-chair Ryan Norton of the commission. The commission also includes Phil Gusmano, Travis Horkey, Dale Johnson, Ryan Pelletier and Matt Skogman.

Michigan, which ranks among the top eight potato-producing states in the U.S., produces more chipping potatoes than any other state.

Mike Phillips

Colorado Certified Potato Growers Association “Quality as High as our Mountains” RUSSET VARIETIES: Russet Norkotah S3 Russet Norkotah S8 Rocky Mountain Russet Silverton Russet Rio Grande Russet Canela Russet Mesa Russet Mercury Russet Fortress Russet Crimson King COLORED VARIETIES: Columbine Gold Colorado Rose Rio Colorado Red Luna Purple Majesty Masquerade Mountain Rose Vista Gold

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Seed Growers: Zapata Seed Company Worley Family Farms SLV Research Center San Acacio Seed Salazar Farms Rockey Farms, LLC Pro Seed Price Farms Certified Seed, LLC Palmgren Farms, LLC Martinez Farms La Rue Farms H&H Farms G&G Farms Bothell Seed Allied Potato Colorado Certified Potato Growers Association P. O. Box 267 Monte Vista, CO 81144 ColoradoCertifiedPotatoGrowers.com Lyla@ColoradoCertifiedPotatoGrowers.com (719) 274-5996

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PotatoCountry.com

21

DISEASE IDENTIFICATION QUIZ

Dr. Jeff Miller, a plant pathologist, is the president and CEO of Miller Research, Rupert, Idaho.

He can be contacted by phone: (208) 531-5124; cell: (208) 431-4420; jeff@millerresearch.com

Some diseases and disorders are visible as growers cut and prepare seed for planting. Can you identify the cause of these seed problems?

Answers Page 23

A

B

C

D

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Listen on: ThePotatoPodcast.com

22 Potato Country • February 2024

CALENDAR

Growing Quality Seed For 50 Years!

Feb. 6-8

Southern Rocky Mountain Ag Conference Ski Hi Regional Event Center Monte Vista, Colo. www.agconferencesrm.com

Feb. 26-29

NPC Washington Summit Washington Marriott at Metro Center Washington D.C. www.nationalpotatocouncil.org

Mar. 11-13

Potatoes USA Annual Meeting

Four Seasons Hotel Denver Caitlin Roberts, caitlinr@potatoesusa.com

June 4

Ag World Golf Classic Canyon Lakes Golf Course Kennewick, Wash. www.agworldgolf.com

June 6

Ag World Golf Classic The Links at Moses Pointe Moses Lake, Wash. www.agworldgolf.com

June 23-26

World Potato Congress Adelaide Convention Centre Adelaide, Australia www.potatocongress.org

June 24-28

NPC Summer Meeting The Elizabeth Hotel Fort Collins, Colo. www.nationalpotatocouncil.org

Aug. 5-7

Potatoes USA Summer Meeting

Westin Bayshore Vancouver, BC, Canada Caitlin Roberts, caitlinr@potatoesusa.com Editor’s note: To have your event listed, please email Denise Keller at editor@ columbiamediagroup.com. Please send your information 90 days in advance.

Left to right: Sid, John, Jonathan, Carl, Nick and Cliff.

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KNOW YOUR DISEASE ANSWERS (FROM PAGE 22)

Photo A: The rot depicted here is Fusarium seed piece decay caused by Fusarium sambucinum. The level of Fusarium in a seed crop is indicative as to the threat of dry rot in the harvested daughter tubers. Fusarium spores can spread from infected seed tubers to healthy tubers during the cutting process. Seed treatments with mancozeb, fludioxonil, difenoconazole and prothioconazole are effective in preventing the development of Fusarium seed piece decay in healthy seed tubers.

Photo B: While the symptom in this photo looks like Fusarium, this is actually a physiological disorder known as blackheart. Blackheart results from a lack of oxygen. It is not caused by a fungus or bacterium, and affected tubers do not put healthy seed tubers at risk during the cutting process. These seed pieces may decay more easily after planting due to secondary bacterial soft rot.

Photo C: These symptoms are caused

by Rhizoctonia solani. The black spots on the surface of this tuber are actually

masses of the fungus. These structures are called sclerotia and are commonly called “dirt that doesn’t wash off.” Seed tubers with sclerotia will not affect other healthy seed tubers, but the pathogen can grow to the developing plant and the daughter tubers during the growing season. Seed treatments containing fludioxonil, flutolanil and penflufen are effective in minimizing spread from infected seed tubers to daughter tubers. Several fungicides can also be applied in-furrow for managing Rhizoctonia.

Photo D: These tubers are affected by late blight. The late blight pathogen (Phytophthora infestans) can produce spores on infected tubers. The infected tubers will likely decay and not produce a plant in the field. But spores from infected seed tubers can contaminate healthy seed pieces, which can result in late blight in the developing plants. Seed treatment with products containing mancozeb, mandipropamid, fenamidone and cymoxanil are effective in preventing the spread of seed-borne late blight.

PotatoCountry.com

23

MARKET REPORT

North American Frozen Proces U.S.

and Canadian growers produced 562.34 million cwt of potatoes during 2023. That is 40.08 million cwt, or 7.7 percent, more than 2022 production. The U.S. potato crop accounted for 88.5 percent of the increase. U.S. production is estimated to be up 8.9 percent from the 2022 crop.

Canada’s 2023 crop is estimated to be 3.7 percent larger than 2022’s record production. Dec. 1 stocks data, for both the U.S. and Canada, highlight several challenges and opportunities for the potato industry during the remainder of the storage season. In this article, we outline the raw-product supply situation for the North American frozen processing industry.

US Supply Situation

USDA estimates that potato growers produced 434.22 million cwt of potatoes during 2023. That is 35.48 million cwt more than the 2022 crop, an 8.9 percent increase. It is the largest U.S. potato crop since 2000. Growers in the storage states held 284.7 million cwt of potatoes on Dec. 1. That is 26.8 million cwt more than those states had in storage a year earlier, a 10.4 percent increase.

USDA puts Idaho’s 2023 potato crop at 141.9 million cwt. That is 21.16 million cwt more than 2022 production, a 17.5 percent increase. Idaho’s Dec. 1 potato stocks totaled 100 million cwt. That exceeded the year-earlier inventory by 15 million cwt, or 17.6 percent. Idaho processors used 26.08 million cwt of potatoes from the 2023 crop prior to Dec. 1, 4 million cwt more than they used from the 2022 crop during the same period. The 10 percent increase in

24 Potato Country • February 2024

Idaho’s new-crop processing use is due to early potatoes filling in for a limited carryover from the 2022 crop.

USDA reports that Washington growers produced 101.17 million cwt of potatoes in 2023. That is 5.76 million cwt more than the state produced in 2022, a 6 percent increase. Oregon’s 2023 potato crop totaled 27.23 million cwt, which is 1.43 million cwt, or 5.5 percent, more than the 2022 crop. Combined OregonWashington potato stocks on Dec. 1 totaled 82.6 million cwt, according to USDA. That is 7.4 million cwt more than year-earlier holdings, a 9.8 percent increase. USDA reports that processors in the Columbia Basin used 33.12 million cwt of new-crop potatoes prior to Dec. 1.

That is 3.52 million cwt, or 9.6 percent, less than they used during the same timeframe a year earlier. The drop in new-crop usage is puzzling, given that 2022 crop supplies were also short in the Columbia Basin. We expected a significant increase in the Basin’s newcrop processing use.

Dec. 1 stocks in the other processing states are mixed. At 19.2 million cwt, Wisconsin’s reported Dec. 1 potato stocks exceeded the year-earlier inventory by 9.1 percent. North Dakota had 19 million cwt of potatoes in storage on Dec. 1, 17.3 percent more than it held in 2022. Maine had 13.5 million cwt of potatoes left in storage on Dec. 1, 4.9 percent less than the year-earlier inventory. Minnesota had 12.3 million cwt of potatoes left in storage on Dec. 1, a 6.1 percent decline.

U.S. processors used 63.86 million cwt of potatoes from the 2023 potato crop for purposes other than dehydration (mostly French fry production) prior to Dec. 1. That fell 428,000 cwt, or 0.7 percent, short of the 2022 pace.

It followed a reported 27.2 percent increase for late-season usage from the 2022 crop. June-November disappearance in this category totaled 89.64 million cwt, up 6 percent. The 5.09 million cwt increase in JuneNovember processing for uses other than dehydration suggests that fry plants got off to a better start than they did the previous year. If the stocks data are accurate, Pacific Northwest and Midwest fryers might pick up the pace during the remainder of the processing season, given the abundant raw-product supplies.

Canadian Supply Situation

Canada’s 2023 potato crop is the largest on record. Canadian growers produced 128.12 million cwt of potatoes in 2023. That exceeded the 2022 crop by 4.59 million cwt, or 3.7 percent.

The country had 94.22 million cwt of potatoes in storage on Dec. 1. That exceeded year-earlier holdings by 6.3 million cwt, or 7.2 percent. 2023’s Dec. 1 inventory is by far the largest on record.

Stocks are up from December 2022 in all provinces except Prince Edward Island, New Brunswick and Quebec. Potatoes intended for processing account for all the increase. Processing stocks rose by 7.12 million cwt, or 12.4 percent.

Alberta’s Dec. 1 potato stocks jumped 5.64 million cwt above 2022 holdings to a record 25.89 million cwt. Intended use data show that the province’s processing potato stocks rose by 5.86 million cwt to 20.63 million cwt, a 39.7 percent increase. Manitoba had a record 21.05 million cwt of potatoes in storage on Dec. 1. It includes 17.48 million cwt of processing potatoes, up 27.5 percent from a year earlier. Ag Canada reported Quebec’s Dec. 1 inventory at 9.29 million cwt, down 602,000 cwt, or 6.1 percent, from December 2022. At 3.4 million cwt, processing stocks are down 16 percent from the previous year. New Brunswick had 9.61 million cwt of potatoes left in storage on Dec. 1. That is 1.98 million cwt less than the year-earlier inventory, a 17.1 percent decline. The province experienced a 1.49 million cwt decline in its Dec. 1 processing potato inventory to 6.01 million cwt. The 19.9 percent decline leaves the province with its second lowest processing potato inventory since 2012. PEI held 20.92 million cwt of potatoes in storage on Dec. 1. That is 1.33 million cwt less than yearearlier holdings, a 6 percent decline. PEI’s processing potato stocks fell 710,000 cwt short of the 2022 inventory, a 5.3 percent decline.

A combination of record yields and increased acreage has resulted in rawproduct surpluses in both Alberta and Manitoba. The Prairie Provinces have more than enough potatoes to keep plants running at capacity through the remainder of the processing season.

Production is down from 2022 in the Maritime provinces and Quebec. Crops

ssing Supply Update in those provinces are likely to have more issues than usual with quality, size and storability. Overall, Canadian fryers should have enough potatoes to run plants at capacity. Potatoes could be moved from west to east to cover any supply gaps. U.S. fryers will not need to import processing potatoes from Canada this year.

Conclusion

One extreme follows another. The North American potato industry went from one of the shortest supply situations ever in 2022-23 to a massive over-supply situation in 2023-24.

Processors did not anticipate a return to near-trendline yields in Idaho and in the Columbia Basin. Likewise, they did not expect yields to reach record levels in Alberta and Manitoba when they contracted for the 2023 crop. Midwest processors have extra potatoes, but those may be needed to cover supply gaps in the Atlantic Northeast. Carryover from the 2023 crop will significantly reduce the need for early-season potatoes as well as contract volumes for main-crop potatoes.

On the bright side, domestic and global demand for French fries and other frozen products remains strong. Industry data indicate that buyers purchased 6.5 percent more U.S. frozen product between June and November than they did during the same period in 2022. In addition, when French fry import data through October are included, it appears that U.S. domestic consumption of frozen potato products may have increased by 9.2 percent during the June-November period. Canada’s August-October French fry exports were up 2.3 percent from year-earlier movement. Most of the extra shipments have gone to the U.S., though sales to offshore markets were up 4.5 percent during that timeframe.

North American fryers will be in a position to expand finished product supplies this year, given the current raw-product supply situation. Europe’s offshore exports are unlikely to expand significantly due to raw-product supply limitations. North American fryers may have an opportunity to regain at least part of the domestic and offshore French fry business they have lost during the past several years.

By Ben Eborn, Publisher, North American Potato Market News

KEY POINTS • North America’s 2023 potato crop is the largest since 2000.

• U.S. Dec. 1 potato stocks totaled 284.7 million cwt, the largest inventory since 2000.

• Canada’s Dec. 1 potato stocks were the largest on record, at 94.2 million cwt.

• The North American potato industry went from one of the shortest supply situations ever in 2022-23 to a massive over-supply situation in 2023-24.

• Domestic and global demand for French fries and other frozen products remains strong.

• North American fryers may have an opportunity to regain part of the French fry business they have lost during the past several years.

Editor’s note: To contact Ben Eborn, or to subscribe to North American Potato Market News (published 48 times per year), write or call: P.O. Box 176, Paris, ID 83261; (208) 525-8397; or email napmn@napmn.com.

Agricultural Consulting & Testing • Soil Testing • Irrigation Scheduling • Feed Analysis • Contract Research • Tissue Testing • Pest Management

• Field Research • Grid Sampling • Variable Rate Fertilization • International Testing • Agronomic and CCA Seminars • Nematode Testing

Contact: Paul Stukenholtz, Consulting Agronomist

Crop Consultants: JP Kruckeberg • Bart Kunz • Cameron Brower Antone Christensen • Wess Gibson • Cody McCoy • Kevin Victor

www.stukenholtz.com 208-734-3050 • 800-759-3050

PO Box 353 • 2924 Addison Ave E. • Twin Falls, ID 83301 PotatoCountry.com

25

IN THE NEWS POTATO GROWERS OF WASHINGTON

A Fresh Take on the Latest Buzz Words

By Dale Lathim, Potato Growers of Washington

O

ver my years in the industry, several buzz words have come and gone. But two that seem to have enough traction that I don’t see them going away are “sustainability” and “regenerative agriculture.” After first hearing these somewhat related terms and having so-called experts explain them, my first reaction was very negative.

The need to focus on sustainability implies that growers are not already doing all they can to preserve the environment on and around their farms.

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Every grower I know wants to keep each acre producing as much as possible not only this year, but for generations to come. Growers and their families live and work on this land, day in and day out.

They are already doing everything they can to preserve it for the future because their financial future depends on it, as does their children’s.

Regenerative agriculture takes this one step further and touts that if growers follow their recommendations of using less active ingredients of most crop protectants and more organic-type farming practices, they will get better yields and higher quality at a lower price.

This implies that growers are currently throwing money away by overusing crop protectants and inefficient cropping practices. At first glance, this is even

amount applied. In fact, if placed in the more critical zone, applications at less than half of the most common rate were more effective than double the rate at the more common depths of application.

This got me to thinking two things.

First, why would a company that makes a product spend the time and money to study ways to use less of that product?

The answer was simple: the company is looking to the future, and if we as an industry can show that we are reducing the active ingredient applied, we have a far greater argument to keep this product registered in the future.

The second thought that came to mind was that maybe all of this sustainability and regenerative agriculture talk has already had some benefits if it gets industry experts like Kyle to look into

"Every grower I know wants to keep each acre producing as much as possible not only this year, but for generations to come." more insulting than the more nuanced “sustainability.”

However, I recently had breakfast with Kyle Coleman with AMVAC, which manufactures Vapam, the most widely used metam sodium product in potatoes.

Kyle told me about the hundreds, if not thousands, of hours he has spent this past year studying the amount of fumigant present in the soil at various depths and times of the season. To say his data was impressive would be an understatement, and I won’t even try to get into the details as I am sure a nonscientific mind like mine would not do it justice. But the takeaway I had from the conversation was that there is far more impact from the depth at which the metam sodium is placed than the

ways we can improve on what we are currently doing. Until this study was done, no one really knew how metam sodium moved through the soil or even if, in fact, it did move. Since this is one of the biggest active ingredients on the hit list to be reduced or even removed from our “toolbox,” this is huge, in my opinion.

It also got me to thinking that there may be other areas in which we currently are doing the best that we know to produce the highest quality crop, at the lowest possible cost, with the least environmental impact. But that does not mean we know everything. And with more people like Kyle putting in the time and effort, we can truly proceed, and we will all be better for it in the long run for generations to come.

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