Risk Assessment, Cross-Resistance Pattern of Broflanilide with Other Insecticides, and
Zhen C, Hu M, Cai Y, Abbas Z, Li M
Pest Resistance
Fall armyworm can wipe out an entire corn or vegetable garden in days, and knowing which insecticides still work — and which ones share resistance with chemicals that have already failed — directly determines whether your spray cabinet has anything left that can stop it.
Fall armyworm is a caterpillar pest that devastates corn and many garden crops worldwide. Scientists tested a newer pesticide called broflanilide to see how risky it is for the pest to develop immunity to it, and whether worms already immune to older pesticides would automatically be immune to this one too. The findings help farmers and gardeners pick spray options that are less likely to fail due to built-up resistance.
Key Findings
Broflanilide was assessed for resistance development risk in fall armyworm populations, with selection experiments quantifying how fast resistance ratios increase under repeated exposure
Cross-resistance patterns were characterized between broflanilide and other insecticide classes (e.g., organophosphates, pyrethroids, diamides), identifying which resistance mechanisms overlap
Resistance management recommendations — including rotation intervals and mixture strategies — were derived from the cross-resistance data to extend broflanilide's effective field lifespan
chevron_right Technical Summary
Researchers evaluated how quickly fall armyworm — a destructive crop pest — could evolve resistance to broflanilide, a newer insecticide, and whether populations already resistant to older chemicals would also resist it. The study maps cross-resistance relationships to help farmers choose effective treatment combinations before resistance spreads.
Abstract Preview
The fall armyworm (FAW),
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