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Category Archives: helicoverpa
Are corn earworm a problem in winter cereals?
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 [...]
Also posted in Winter cereals 5 Comments
A better way to make decisions about Helicoverpa control in chickpea
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 [...]
Also posted in Chickpeas Leave a comment

Control considerations for Helicoverpa in chickpea