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Category Archives: Cotton
Early season aphid identification and management considerations in cotton
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
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
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
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
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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Brown stink bugs in cotton – by Moazzem Khan
Brown stink bugs have been reported in some Bollgard® II cotton crops on the Downs. As the season progresses, bug numbers may increase. Distinguishing ‘brown’ stink bugs from each other. Adults brown stink bugs (Dictyotus caenosus) are shield shaped, matt brown, and smaller than green vegetable bug (GVB), about 7 – 8 mm [...]
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Mealybugs in cotton
Outbreaks of mealybugs have recently been reported from a number of cotton farms in central Queensland. While mealybugs are considered a minor pest of cotton, they have, on rare occasions, reached minor outbreak levels or 'hotspots' in commercial crops in central Queensland
Pesky thrips in cotton
Just when you thought things were going along pretty well, something else pops out of the woodwork to bring you back down to earth. Some cotton consultants and their grower clients are concerned about the high numbers of thrips in their young cotton seedlings. Are they are problem? Do we need to control them?
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Resistance Update on the Road
The Resistance Roadshow visited regional areas during late August and presented the latest resistance monitoring results for a suite of important pests. Presentations covered resistance to conventional insecticides in cotton aphids, mites, silverleaf whitefly and helicoverpa, and helicoverpa resistance to the Bt toxins in Bollgard II.
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Beware of Apple Dimpling bugs