Category Archives: soybeans

Managing Helicoverpa softly in vegetative soybeans

By admin | Published: January 14, 2010
 While soybeans are more likely to be attacked by helicoverpa from flowering onwards, severe infestations can occur as early as the seedling stage. In recent years, severe early infestations have been reported on the Downs and in the coastal Burnett with the affected crops experiencing significant yield losses.  The latest published thresholds for helicoverpa in vegetative [...]
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What is eating my soybean pods?

By admin | Published: March 6, 2009
Field crickets High numbers of field crickets have been reported across the Darling Downs in the last couple of weeks, with some large aggregations of adults attracted to lights at night. Are these crickets doing damage to crops? The answer may well be yes. .
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Soybean Moth causing major damage in soybeans

By admin | Published: February 13, 2009
Soybean moth Aproaerema simplexella is a very common pest of soybeans but is usually only present in very low numbers. This season high numbers of moths and caterpillars were found especially in the Wide Bay Burnett region with some fields sustaining extensive damage. Similar leaf miners attack many horticultural crops, but are species other than [...]
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New Helicoverpa thresholds in vegetative soybeans

By admin | Published: January 15, 2009
The new economic threshold for Helicoverpa in vegetative soybeans is 8 larvae per sqare metre and replaces the old 33% defoliation threshold. The new threshold is based on field trials conducted by John Rogers (formerly with DPI&F at Kingaroy). These field trials show that approximately 7.5 larvae per square metre can be tolerated with no [...]
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