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Alabama: Soybean Looper is on the Loose

September 19, 2016

According to the Alabama Cooperative Extension, soybean looper numbers have been on the rise across the state.

It’s during the larval stage that the soybean looper begins to cause damage on soybean plants. North Carolina State University research indicates the soybean looper seldom causes significant pod damage, but is capable of heavy foliage injury, which is equally detrimental to yields. Defoliation caused by the soybean looper can be identified by ragged leaves. Populations typically reach peak levels late in the season in August or September.

looper

To proactively monitor fields for soybean looper infestations, growers should scout for insect presence throughout the season. By scouting for soybean looper eggs and moths, growers can pinpoint the start of infestations and combat the pest before significant damage occurs.

Louisiana State University researchers note soybean looper has developed resistance to certain insecticide chemistries, so effective control measures are primarily limited to lepidopteran-specific insecticides. Experts advise using local economic thresholds forsoybean looper to determine when treatment is necessary.

When scouting indicates a need for treatment, Syngenta offers Besiege® insecticide, which provides excellent knockdown control of a broad spectrum of the most difficult-to-control lepidopteran pests, including the soybean looper. When applied, the long-lasting residual control found in Besiege protects plants through harvest, helping soybeans yield strong.

Photos are either the property of Syngenta or used with permission.

©2016 Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties. Please check with your local extension service to ensure registration status. Besiege is a Restricted Use Pesticide. Besiege is highly toxic to bees exposed to direct treatment on blooming crops and weeds. Do not apply this product or allow it to drift onto blooming plants while bees are foraging adjacent to the treatment area. Besiege®, the Alliance Frame, the Purpose Icon and the Syngenta logo are trademarks of a Syngenta Group Company.

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