Category Archives: Winter cereals

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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Black Soil Scarab Damage to Winter Cereals

By admin | Published: October 25, 2010
This winter we’ve seen several instances of severe scarab damage to winter cereals (wheat, barley and oats) , including on crops at Jandowae and Felton on the Darling Downs. The photograph below shows that severe damage is mostly confined to areas of paddocks which were previously pasture – and this is where the highest scarab [...]
Also posted in barley, wheat | 4 Comments

White heads and stem borer in wheat

By admin | Published: October 12, 2009
Every year we receive reports of white heads in wheat, and while there are several possible causes of this symptom, one suspect implicated in the crime is a small stem boring larva called Ephysteris silignitis (Turner) belonging to the moth Family Gelechiidae.
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Recce for armyworm in winter cereals

By admin | Published: October 9, 2009
The quick finish for winter cereals this season has resulted in the majority of crops escaping infestations of armyworm. Headers are already into some fields, but there are reports of armyworm making their presence felt in some of the later crops.
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Winter cereal aphids – background to the potential impact of infestations

By admin | Published: August 2, 2009
The most critical issues we face in managing cereal aphids currently is the lack of local knowledge about the likely impact of infestations on yield and quality (the damage thresholds). (http://thebeatsheet-ipmnews.blogspot.com/2008/09/cereal-aphids-in-wheat-and-barley.html).
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Slaters and other winter cereal establishment pests

By admin | Published: May 28, 2009
In recent days we have received a number of reports of slater activity in winter cereal crops in southern Queensland and northern NSW. Slaters are not generally regarded as a pest of broad acre agriculture and tend to feed on decaying vegetation and dead animal matter. Overall they perform an important recycling role in the [...]
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Armyworm in wheat

By admin | Published: October 20, 2008
Over the past couple of weeks there have been numerous reports of armyworm in both barley and wheat. The appearance of armyworm in wheat raises a number of questions: 1) Do they behave the same way in wheat as in barley in relation to the type of damage they cause 2) what is their damage [...]
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What are those grubs in winter cereals?

By admin | Published: October 1, 2008
Grubs in winter cereals are not unusual at this time of year, and already there have been reports of high numbers (up to 20/m2) in Central Queensland wheat (Figure 1). More grubs can be expected in southern districts as the season warms up. The two most likely larvae (grubs) found in winter cereals are the [...]
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Cereal Aphids in wheat and barley Spring 2008

By admin | Published: September 25, 2008
Cereal aphid numbers have increased rapidly over the past 3 weeks as the temperatures have increased. Whilst low numbers of aphids have been present in many crops (wheat and barley) for some time, it was not until a couple of weeks ago that numbers reached levels of concern to agronomists and growers. Until the last [...]
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Can you confidently identify armyworm and helicoverpa larvae in winter cereals?

By admin | Published: October 17, 2007
Both Helicoverpa armigera and armyworm larvae are occurring together in wheat and barley. It is important to be able to separate the helicoverpa larvae from the armyworm larvae in order to determine whether the numbers are above or below threshold, and, if needed, to make the most appropriate decision about control options. Armyworm larvae have [...]
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