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Soybean Aphids - IPM UpdateSoybean Aphids - IPM Update (08/06/15)

Ninety-seven fields were scouted by the IPM Scouts for soybean aphids last week. The IPM scouts in North Dakota and Minnesota found soybean aphids in 57% of the soybean fields surveyed.

Soybean Aphids - IPM Update

Ninety-seven fields were scouted by the IPM Scouts for soybean aphids last week. The IPM scouts in North Dakota and Minnesota found soybean aphids in 57% of the soybean fields surveyed. Percentage of plants infested with soybean aphids ranged from 0 to 100% with an average of 50% of plants infested. The average number of soybean aphids per plant ranged from 1 to 250. Some fields scouted may have been treated, which would have lower numbers of soybean aphids. The USDA NASS reported that 95% of the soybeans were blooming, and 73% setting pods in North Dakota (USDA NASS News Release – August 3, 2015).

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Janet J. Knodel

Extension Entomologist

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