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Insecticide Resistance Management. Resistance na yan ! Ha ha ha !. Mabisa ito dati ! Bakit wala ng talab ngayon ?. Sa bukid ay mayroong ibat – ibang immunity ang mga insekto. SUSCEPTIBLE: Can be easily killed. MODERATELY SUSCEPTIBLE: Not easily killed. RESISTANT (IMMUNE)
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Resistance nayan! Ha haha ! Mabisaitodati ! Bakitwalangtalabngayon?
Sa bukid ay mayroongibat– ibang immunity angmgainsekto SUSCEPTIBLE: Can be easily killed MODERATELY SUSCEPTIBLE: Not easily killed RESISTANT (IMMUNE) Cannot be killed under normal dose
What Happens in the Field ? Continued use of 1 Product
What Happens in the Field ? Continued use of 1 Product
Remaining Reproduces = + = +
Dumadamiang resistant population Continued use of 1 Product
Lalongdumamiang resistant population Continued use of 1 Product
Mas dumamiang resistant population Continued use of 1 Product
Halos walangnatirana susceptible at moderately resistant population ., Continued use of 1 Product
PaanoMaiwasanangInsecticide Resistance… • Gumamitngmaresistensyangbinhi • Sundinangprinsepyong IPM • Sundinangprinsepyong GAP • Alaminang mode of action (MoA) ng insecticide products / brands • Pagpalit-palitinang Insecticide MoA group • MagpalitngMoA group pagkalipasngisanghenerasyonnginsekto
Insecticide Mode of Action (MoA) A specific Mode of Action will target a specific part/ function of an insect Nerve Feeding + + Growth / Development/ Molting + Respiration + Excretory Digestive + Energy/ Muscle Reproduction + + +
Group 1 - ACS Inhibitors Carbamates - Methomyl (Lannate) Organophosphates - Profenophos (Selecron) Group 2 - GABA-gated Chlorine Channel Antagonist Fiprole - Fipronil (Ascend) Group 3 - Sodium Channel Modulators Pyrethroids - 165 brands of CYPERMETHRIN Group 4 - Nicotinic Acetylcholine receptor Agonist/Antagonist Neonicotinoids – Dinotefuran (Oshin) Imidacloprid (Confidor) Acetamiprid (Mospilan) Thiamethoxam (Actara) Cartap hydrochloride - Cartap Group 22 - Voltage-Dependent Sodium Channel Blockers Indoxacarb - Steward Group 28 - Ryanodine Receptor Modulators Diamides – Chlorantraniliprole (Prevathon), Flubendiamide (Fenos) SAMPLE CHEMICAL GROUPINGS
Insecticide Resistance Management (IRM) Strategy in Eggplant To ensure susceptible Fruit Borer population Fruiting Nursery – Transplanting Vegetative Flowering 1st Generation 2nd Generation 3rd Generation 4th Generation 5th Generation 30 Days 30 Days 30 Days 30 Days 30 Days Fruit / Shoot Borer Insecticide Application (Need – Based) Option 1 MoA 1 MoA 2 MoA 3 MoA 4 MoA 5 Option 2 MoA 2 MoA 1 MoA 2 MoA 1 MoA 1
Insecticide Resistance Management (IRM) Strategy in Rice Ripening Seedling Leaf Development Flowering Tillering Stem Elongation - Booting 1st Generation 2nd Generation 3rd Generation 35 Days 35 Days 35 Days Stemborer 32 Days 32 Days 32 Days Brown Plant Hopper 30 Days Green Leaf Hopper Insecticide Application (Need – Based) MoA 3 Option 1 MoA 1 MoA 2 Option 2 MoA 1 MoA 1 MoA 2
Maraming salamat po. Daghang salamat. Dios ti agngina. Dios mabalos. Thank you. Insecticide Resistance Action Committee