Category Archives: Cotton

Collecting to assess Silverleaf Whitefly susceptibility to insecticides

By Melina Miles | Published: March 1, 2012
As the cotton season draws to a close it is time to for the DEEDI team working on Silverleaf whitefly (SLW) resistance monitoring to start making collections of whitefly from across the cotton-growing regions. Even if SLW numbers are below threshold, it is possible for the team to make collections of either nymphs (on leaves) [...]
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Managing Silverleaf Whitefly (SLW) – Wet conditions, late crops and immigrant populations

By admin | Published: March 1, 2012
  Management of whitefly this season will be challenging as a result of the high rainfall and flooding in November and  again in February which has resulted in a wide spread of crop maturity both between and within each region. While some cotton crops will mature on time, others could be set back by as much [...]
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Green vegetable bug (GVB) in late cotton

By admin | Published: February 24, 2012
There have been several reports of GVB occurring in late cotton crops. This has led to some confusion in the industry as to whether GVB needs to be controlled at this late stage in cotton.  Research done by DEEDI entomologists has shown that younger bolls are more susceptible to lint damage caused by GVB feeding. [...]
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Broad mites in cotton

By admin | Published: February 16, 2012
Broad mites have shown up in cotton crops in Emerald and in the Gwydir this season. Whilst the mites themselves are extremely small and difficult to see, even with a handlens, being familiar with symptoms of broad mite infestation may assist with a diagnosis.
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Beware of Apple Dimpling bugs

By admin | Published: December 9, 2011
  There have been several reports of high numbers of apple dimpling bug (ADB) in early squaring cotton throughout the major cotton growing valleys. Also known as the yellow mirid, ADB adults (about 3mm long) are about one third the size of green mirid adults.  They are yellow-green, have dark spines on the legs and hairy wings [...]
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Early season aphid identification and management considerations in cotton

By admin | Published: December 2, 2011
As the cotton season gets underway aphids are starting to be detected in crops, on ratoons, volunteers and weeds. Last season, there were some regions where Cotton Bunchy Top (CBT) was detected in crops towards the end of the season. To assess and manage the risk of yield loss caused by CBT, and minimise the [...]
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2011 IPM forum highlights

By admin | Published: September 14, 2011
More than 50 researchers, extension staff and industry representatives attended this year’s IPM forum in Toowoomba. The IPM forum is an annual event and brings together researchers and industry to discuss the latest research and developments in pest management for the Northern region. Topics presented at the forum consist of a mix of current research [...]
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IPM Forums for growers and advisers – Thursday July 28th, 2011

By Melina Miles | Published: July 17, 2011
These Forums, for growers and advisers, will provide an opportunity to hear about recent research into the management of  insect pests  in grains and cotton. Researchers will be able to discuss with you strategies and options for the upcoming season, what to look out for, and how to minimise your risk of losses caused by key insect [...]
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Getting Pale Cotton Stainer identification right

By admin | Published: December 22, 2010
Over the past few weeks there have been reports of cotton stainers in cotton crops in Central Queensland and on the Darling Downs. This week we received photographs of ‘stainers’ from CQ which raised the importance of correct identification.
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Mirid research trials on the Darling Downs

By admin | Published: December 1, 2010
In order to keep you updated with entomology activities, the following article outlines the research trials to be conducted on mirids this season on the Darling Downs by Dr Moazzem Khan (Senior Entomologist, DEEDI, Toowoomba).
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