Insights on Insecticide Resistance and Monitoring in Agriculture
Discover the latest findings on insecticide resistance and monitoring in agriculture, including data on pollen beetles, cabbage stem flea beetles, and strawberry blossom weevils. Insights from experts in Sweden, Germany, and beyond offer valuable strategies and knowledge-sharing for effective pest management.
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Presentation Transcript
Insecticide subgroup Summary NorBaRAG 2018
Pollen beetle monitoring Niels Jakob Jacobsen, ADAMA Northern Europe 2017 pollen beetle monitoring in Nordics, Baltic and central zone Nordics: No kdr findings Biscaya (neonicotinoid): slight fall in efficacy in the last few years Karate (pyrethroid): slight increase in efficacy (used less) Mavrik (pyrethoid): constant Central: Biscaya and Karate decrease, mavrik constant Yield not affected by PB
Monitoring in Sweden Lovisa Eriksson, Jordbruksverket Pollen beetles: 14 sites (Sweden) Resistance against karate Nordic/Baltic: Biscaya slight fall, Mospilan still good Cabbage seed weevils: 4 sites (Sweden) Highly susceptible to all 3 products (M, K, B) CSFB: Low incidence of kdr
Resistance of strawberry blossom weevils Jarmo Ketola, LUKE Raspberry and strawberry pest Lambda-cyhalothin Collection sites in conventional and organic farms Indications of resistance Difference between conventional and organic farm weevils
Resistance handling in Germany Udo Heimbach, Julius-Kuehn Institute Expert committee on pesticide resistance Advisors, JKI, companies, reg authorities, PPP retailers Knowledge sharing Harmonizing of tests, protocols Coordinate monitoring activities Resistance strategies for: Oilseed rape Potatoes Cereals
Resistance of cabbage stem flea beetles Dorte H jland Castberg 15 samples from DNK, 15 samples from SWE Tested for kdr pyrethoid resistance Results: Kdr non-existing in SWE Low kdr and resistance levels East and North of Denmark High levels in South of Denmark Multiple factors involved
Moving forward How to take full advantage of the NorBaRAG insecticide group? Sharing knowledge: Dose response curve concentrations for insect species Collection guide Cooperation partners List of participants and what we do Mutual data compilation on homepage
