Category Archives: helicoverpa

Control considerations for Helicoverpa in chickpea

By admin | Published: October 11, 2007
The recently released brochure outlining how to calculate an economic threshold for helicoverpa in chickpea is available on the DPI & F website at www.dpi.qld.gov.au/fieldcrops. Click on the link to Helicoverpa management in chickpea where you can view or download the brochure. Control considerations – which product when? There is a range of products registered for helicoverpa [...]
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Are corn earworm a problem in winter cereals?

By admin | Published: October 1, 2007
Corn earworm, Helicoverpa armigera, are frequently found in winter cereals but usually numbers are too low to warrant control. Occasionally, however, corn earworm numbers may be sufficient to cause economic damage. The high value of today’s grain is further reason to carefully check for grub infestations. It is not unusual to find both corn earworm and [...]
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A better way to make decisions about Helicoverpa control in chickpea

By admin | Published: August 16, 2007
A new guide to calculating economic thresholds available now Growers and agronomists are now able to calculate how much yield they will lose if they do not control an infestation of helicoverpa in chickpea. They can calculate the point at which it is economic to control an infestation based on the potential yield loss, their [...]
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