Helicoverpa activity and pheromone trap catches to 16 September 2016
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Helicoverpa punctigera numbers in pheromone traps look to be on the increase through September. The continued migration of H. punctigera through spring is likely, if suitable weather systems occur, and it is likely that all susceptible crops (chickpea, canola, faba beans, spring mungbeans, spring sunflowers) will experience helicoverpa pressure through October and November. Peter Gregg and Alice Del Socorro (University… Read more »