Dairy Exporter November 2021

Page 54

SPECIAL REPORT

RYEGRASS

Trevor Ellett: A ryegrass pioneer Words by: Anne Lee

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Accuracy. No Less.

sers of modern varieties of ryegrass descended from Grasslands Nui and Ellet ryegrass can thank Trevor Ellett’s tenacity and passion for improving pasture. His work also, somewhat unwittingly, led to the understanding that endophytes play a huge role in ryegrass persistence. The Mangere farmer and former Massey College graduate and lecturer was a pioneer in ryegrass development doggedly seeking persistence he saw as lacking in the grasses coming out of the government-sponsored breeding programmes of the day.

Trevor died in 2006 at the age of 95 and was a recipient of the coveted NZ Grassland Trust Ray Brougham Trophy for his contribution to dairying and for his development of Mangere ryegrass which was first commercialised as Ellett and Grassland Nui ryegrasses. The farm at Mangere was one of two owned by Trevor and it was when he returned to the farm after the Second World War and lecturing at the then Massey College that he was dismayed to find the latest government-bred, certified ryegrasses did not survive past one season once sown in his paddocks. Like many farmers of the day, he had strong ryegrass pastures of local “ecotypes”

and he collected the seed from his bestperforming paddock, sowing that instead. Through his connections with DSIR Grasslands director Lionel Corkill, a nursery of the latest and best Trevor Ellett. ryegrass breeding lines was sown on Trevor’s farm. On the same day, and unbeknown to the scientists, Trevor also sowed his own ecotype, which he named Mangere ryegrass, in an area beside the nursery. His grass survived the summer but the

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| www.nzfarmlife.co.nz | November 2021


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Keep the water flowing

5min
pages 86-88

The Dairy Exporter in November 1971

3min
pages 90-92

Want to save time milking?

2min
page 89

Former Lincoln student making a buzz from honey

6min
pages 80-81

Kieran McCahon hears the call of the land

6min
pages 82-83

LUDF: Cows approve of milking blend

6min
pages 84-85

Mastitis: Somatic cell counts - How low can you go?

6min
pages 74-75

Tools for timing effluent application

8min
pages 68-71

System in-line to cut methane

7min
pages 64-66

Soil carbon: Blame it on the worms

6min
pages 72-73

Wagyu: Calf contracts come with semen straws

3min
page 76

Winning with tetraploids

4min
pages 62-63

Soil Carbon: The promise in biochar

2min
page 67

MINDA: Sharing the technology

2min
page 77

Collaborating on forages

6min
pages 60-61

Endophytes key to ryegrass success

5min
pages 56-57

Lipids: Catching them in the rye

5min
pages 58-59

Treating the pasture right at Canvastown

6min
pages 52-53

Trevor Ellett: A ryegrass pioneer

3min
pages 54-55

Why do more on emissions?

3min
pages 44-45

Strong growth in sheep dairy

3min
pages 42-43

US tests of NZ-developed ryegrass

5min
pages 49-51

Saving on summer nitrogen

2min
page 41

Realising the ownership goal

8min
pages 38-40

Market View: Milk price silly season continues 12

3min
pages 20-21

Dispensers get farm fresh milk close to customers

4min
pages 30-33

Making the most of a Treaty settlement

7min
pages 22-24

Phil Edmonds reckons it’s time for banks to go back to the land

9min
pages 14-17

Mark Chamberlain detects change with a difference

3min
page 13

Global Dairy: US Cheesemakers on the march

5min
pages 18-19

At a wet Punakaiki, risk is real for the Reynolds family

3min
page 11

Hamish Hammond transitions to once-a-day milking

3min
page 12
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