Tag Archives: diapause

Diapause tool to identify helicoverpa risk

While there was a hefty presence of corn earworn or cotton bollworm, Helicoverpa armigera, in the early and middle part of the 2007-08 season, pest activity has declined in recent weeks and for the most part they appear to pose no major risk. What is diapause? This is the time of the year when a proportion of mature larvae going… Read more »