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Manage volunteer corn in Roundup-Ready soybeans

A new Focus on Soybean webcast presentation, meant for soybean growers, consultants, crop advisers, and other agricultural practitioners, will discuss the competitive effects of volunteer corn in soybeans, emergence of western corn rootworm beetles from volunteer corn plants, and control options for soybean producers.

Volunteer corn has emerged as one of the most common weeds in soybean production due to the rapid adoption of glyphosate-resistant corn and sole use of glyphosate in soybean on soybean for weed control. Yield decreases by up to 40 percent with densities of 16 plants per square meter have been recorded.

In addition, much of the volunteer corn in the eastern Corn Belt region of the United States also carries a Bt trait for insect protection, since the hybrid corn from which it came from was likely to have Bt traits stacked with herbicide resistance traits.

A new Focus on Soybean webcast presentation, meant for soybean growers, consultants, crop advisers, and other agricultural practitioners, will discuss the competitive effects of volunteer corn in soybeans, emergence of western corn rootworm beetles from volunteer corn plants, and control options for soybean producers.

Management considerations will help users minimize volunteer corn's effects on soybean yield, and they will also help users minimize the exposure of insect pests to Bt insect protection traits, slowing the development of Bt resistant insects.

View the webcast Manage volunteer corn in Roundup-Ready soybeans.

Focus on Soybean is a publication of the Plant Management Network, a nonprofit online publisher whose mission is to enhance the health, management, and production of agricultural and horticultural crops. It achieves this mission through its applied, science-based resources, like Focus on Soybean. PMN is jointly managed by the American Society of Agronomy, American Phytopathological Society, and Crop Science Society of America.

To make sure you get the maximum benefit of PMN's full line of resources, sign up for its free PMN Update online newsletter at www.plantmanagementnetwork.org/update.

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