MAJOR PEST INSECTS RESISTANCE TO INSECTICIDES IN OILSEED RAPE PLANTATIONS IN POLAND AND RESISTANCE MANAGEMENT STRATEGIES
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1 MAJOR PEST INSECTS RESISTANCE TO INSECTICIDES IN OILSEED RAPE PLANTATIONS IN POLAND AND RESISTANCE MANAGEMENT STRATEGIES Prof. dr hab. Paweł Węgorek Joanna Zamojska, PhD Przemysław Strażyński, PhD Daria Dworzańska, MSc. INSTITUTE OF PLANT PROTECTION NATIONAL RESEARCH INSTITUTE POZNAŃ, POLAND
2 AREA OF RAPESEED PLANTATIONS IN POLAND thousands of hectares years
3 OCCURRENCE OF MAJOR PESTS DURING GROWTH OF OILSEED RAPE Ceutorhynchus napi Gyll. Ceutorhynchus quandriens Panz. Meligethes aeneus L. Ceutorhynchus assimilis Payk. Dasineura brassicae Winn. Brevicoryne brassicae L. Formation of side shoots BBCH Growth (stem elongation) (beginning of stem elongation) BBCH Emergence of buds (green bud) BBCH 51 Emergence of buds (yellow bud) BBCH Flowering (first flowers open) BBCH 60 Flowering (end) BBCH 69 Formation and development of siliqu BBCH MARCH APRIL MAY JUNE
4 Meligethes aeneus F. BBCH 50-52: 1-2 beetles per plant BBCH 55-59: 3-5 beetles per plant Ceutorhynchus assimilis Payk BBCH: 57-69: 1 beetle per plant
5 Insecticide group Active substance Number of insecticides Mode of action alpha-cypermethrin 13 beta-cyfluthrin 5 cypermethrin 15 Pyrethroids deltamethrin 13 esfenvalerate 2 lambda-cyhalothrin 19 tau-fluvalinate 2 zeta-cypermethrin 9 prevent closure of voltage-gated sodium channel (IRAC 3 A) Aryl propyl ethers Neonicotinoids etofenprox acetamiprid 1 prevent closure of voltage-gated sodium channel (IRAC 3 A) 16 thiacloprid 3* chlorpyrifos ethyl 27 ACHR (acetylcholine receptor) substitute acetylcholine (IRAC 4 A) Organophosphates chlorpyrifos methyl 1 malathion 1 phosmet 1 ACHE (acetylcholinesterase) inhibit acetylcholinesterase (IRAC 1 B) Oxadiazines indoxacarb 2 block voltage-gated sodium channel (IRAC 22 A) Pyridine azometines pymetrozine 1 selective feeding blockers (9 B)
6
7
8 SPRING RAPE
9 POSITIVE CROSS-RESISTANCE e.g. the effect of pyrethroids on pollen beetles NEGATIVE CROSS-RESISTANCE e.g. the effect of chlorpyrifos and pyrethroids on pollen beetles
10 Monitoring pollen beetles resistance to pyrethroids and oxadiazines ACTIVE SUBSTANCE HIGH SUSCEPTIBILITY SUSCEPTIBILITY LOW RESISTANCE MEDIUM RESISTANCE HIGH RESISTANCE MORTALITY AT RECOMMENDED DOSES ALPHA- CYPERMETHRIN X CYPERMETHRIN X DELTAMETHRIN X X ESFENVALERATE X LAMBDA- CYHALOTHRIN* X X X TAU- FLUVALINATE X X ZETA- CYPERMETHRIN X X INDOXACARB X 100
11 Monitoring pollen beetles resistance to neonicotinoids and organophosphates ACTIVE SUBSTANCE HIGH SUSCEPTIBILITY SUSCEPTIBILITY LOW RESISTANCE MEDIUM RESISTANCE HIGH RESISTANCE MORTALITY AT RECOMMENDED DOSES ACETAMIPRID X X THIACLOPRID X X CHLORPYRIFOS X 100 CHLORPYRIFOS METHYL X 100 MALATHION X X 100 PHOSMET X X X
12 Monitoring cabbage seed weevils resistance to pyrethroids and oxadiazines ACTIVE SUBSTANCE HIGH SUSCEPTIBILITY SUSCEPTIBILITY LOW RESISTANCE MEDIUM RESISTANCE HIGH RESISTANCE MORTALITY AT RECOMMENDED DOSES ALPHA- CYPERMETHRIN X 100 BETA- CYFLUTHRIN X 100 CYPERMETHRIN X 100 DELTAMETHRIN X 100 ESFENVALERATE X 100 LAMBDA- CYHALOTHRIN* X 100 TAU- FLUVALINATE X X X ZETA- CYPERMETHRIN X 100 INDOXACARB X 0 5
13 Monitoring cabbage seed weevils resistance to neonicotinoids and organophosphates ACTIVE SUBSTANCE HIGH SUSCEPTIBILITY SUSCEPTIBILITY LOW RESISTANCE MEDIUM RESISTANCE HIGH RESISTANCE MORTALITY AT RECOMMENDED DOSES THIACLOPRID X X CHLORPYRIFOS X 100 CHLORPYRIFOS METHYL X 100 MALATHION X 100 PHOSMET X 100
14 OXADIAZINES AND PYRETHROIDS INDOXACARB CYPERMETHRIN DOSE [PPM] POLLEN BEETLE CABBAGE SEED WEEVIL DOSE [PPM] POLLEN BEETLE CABBAGE SEED WEEVIL
15 THE RESISTANCE PREVENTION STRATEGY AS AN ELEMENT OF INTEGRATED PLANT PROTECTION
16 FAVOURABLE RESISTANCE
17 SUBSTANCE YEARS OF RESEARCH GOOD CONDITION WORSE CONDITION DEATH CLASSIFICATION ALPHA-CYPERMETHRIN DANGEROUS??? CYPERMETHRIN RISKY DELTAMETHRIN DANGEROUS??? LAMBDA- CYHALOTHRIN ? TAU-FLUVALINATE SAFE ETOFENPROX RISKY ACETAMIPRID SAFE THIACLOPRID SAFE CHLORPYRIFOS DANGEROUS??? CHLORPYRIFOS METHYL ? MALATHION ? PHOSMET ? INDOXACARB DANGEROUS??? PYMETROZINE RISKY
18 CURRENT EXPERIMENTS NOT SO BAD IMIDACLOPRID JUST SLIGHT SIGNALS OF POISONING THIAMETOXAM - JUST SLIGHT SIGNALS OF POISONING CLOTHIANIDIN - JUST SLIGHT SIGNALS OF POISONING CHLORPYRIFOS - JUST SLIGHT SIGNALS OF POISONING CHLORPYRIFOS METHYL - JUST SLIGHT SIGNALS OF POISONING DELTAMETHRIN NO SIGNALS OF POISONING
19 ACETAMIPRID
20 BBCH CHLORPYRIFOS, MALATHION, PHOSMET CONSIDERABLE DAMAGE FROM POLLEN BEETLES PYRETHROID LESSER DAMAGE FROM POLLEN BEETLES CONSIDERABLE DAMAGE FROM CABBAGE STEM WEEVILS
21 BBCH INDOXACARB CONSIDERABLE DAMAGE FROM POLLEN BEETLES NEONICOTINOID ACCORDING TO FORECAST EMERGENCE OF PESTS AT CONSECUTIVE PHASES
22 BBCH PYRETHROID CONSIDERABLE DAMAGE FROM CABBAGE STEM WEEVILS NEONICOTINOID CONSIDERABLE DAMAGE FROM POLLEN BEETLES
23
24 MSZYCE MYZUS PERSICAE
25 MYZUS PERSICAE
![120 Effectiveness of insecticides [%] 100 99 96 99 99 95 92 90 96 99 80 60 40 20 0-20 -14 15 10 acetamipryd thiacloprid phosmet](/docs-images/87/96389054/images/26-1.jpg "chlorpyrifos indoxacarb deltamethrin lambdacyhalothrin 5 20 53 11 38 46 20 28 52 1 day after treatment 5 days after treatment 7 days")
26 120 Effectiveness of insecticides [%] acetamipryd thiacloprid phosmet chlorpyrifos indoxacarb deltamethrin lambdacyhalothrin day after treatment 5 days after treatment 7 days after treatment
27 THANK YOU FOR YOUR ATTENTION
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