What is in this article?:
- Rainy weather has complicated cotton, soybean insect control in Alabama
- Gasoline on a fire
• Sprayers have been unable to get into fields and aerial applicators are over-booked.
• Fortunately, insect infestations have been low with just a few exceptions.
Early on, August has seen little insect activity other than the bug complex in cotton and recent buildups of the caterpillar complex in soybeans.
The weather has also been a factor. We had sunshine on Aug. 19, for the first time in about 10 days. During this period, rainfall has been measured in inches varying from low single figures to double digits, depending on the location. Up to 4 inches in a 24 hour period has been common.
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This has resulted in bridges and roadways being washed out and public schools closing during the beginning of the fall term.
Agricultural wise, sprayers have been unable to get into fields and aerial applicators are over-booked.
Fortunately, insects have overall been low with just a few exceptions. The bug complex has been over threshold in many, but not all cotton fields.
In the past few days the caterpillar complex has built to damaging levels in soybeans. Some fields have been sprayed by plane for the lep complex, primarily loopers and velvetbean caterpillars.
The heaviest infested fields are those where growers just preventatively added a pyrethroid when they were applying a fungicide.