Annual Report 2020

5.1.2

Arrival of aphids in 2020

No peculiarities were found in the influx of aphids in 2020 at the Hüll site. The first aphids were discovered on winter crops in April. The influx increased by the end of May and then subsided by the middle of June.

Figure 5.2: Aphids influx at the Hüll site in 2017-2020 [Dates=dd/mm]

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7.2.2 Alternative uses of hops

6.8 Meristem culture for the production of healthy seedlings

detection of Verticillium directly in the bine using real-time polymerase chain reaction (PCR

Pseudoperonospora humuli

6.5 Powdery mildew isolates and their use in breeding of mildew resistant hops

content and particular suitability for cultivation in the Elbe-Saale region

5.6 CBCVd-Monitoring 2020

6.3 Crossbreeding with the Tettnanger landrace

5.5 GfH-Project in Verticillium Research

5.2 GEP Quality Audits

5.1.2 Arrival of aphids in 2020

optimize the nutrient efficiency of organically bound nitrogen (ID 6141

systems with fertigation (ID 5612

fertilizer systems (ID 6054

nitrogen fertilization

1.2 Harvest volumes, yields, and alpha acid contents

3.5 IPZ 5e – Ecological issues in hop cultivation

3.2 IPZ 5b - Crop protection in hop production

fertigation

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