Author Archives: Lisa Bird

Latest FAW research – what to consider when making management decisions

With the detection of fall armyworm (FAW, Spodoptera frugiperda) throughout Queensland and now in major cropping regions in NSW, growers are wondering about the best management options for protecting their summer cereal crops. The latest research from NSW DPI provides information that can assist growers in deciding the most appropriate course of action for managing outbreaks of fall armyworm if… Read more »

Helicoverpa insecticide resistance levels so far this summer

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Each year NSW Department of Primary Industries conducts a Helicoverpa insecticide resistance surveillance program in the major summer cropping regions of NSW and QLD, focussed on detecting Helicoverpa resistance to the insecticides indoxacarb, emamectin benzoate and chlorantraniliprole. The program provides growers and advisors with an early warning system for potential resistance hot-spots in the northern region, and is essential for… Read more »

Annual Helicoverpa resistance testing results for 2011-12

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Implications for management in grains and pulses The insecticide resistance monitoring program for Helicoverpa aims to measure resistance frequencies of field populations collected from Central Queensland through to the Riverina area of NSW. Field collections of Helicoverpa eggs are reared in the laboratory and larvae are tested with doses of insecticide that are known to kill susceptible insects. Survivors are… Read more »