@CropNetwork

Protecting crops, hopper to harvest. Extension expertise for the United States and Canada.

 A field near you.
cropprotectionnetwork.org
Joined January 2015
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1.1KMedia

Alfalfa Weevil in Alfalfa

Crop Injury: Alfalfa weevil (Hypera postica) was introduced to the United States more than 100 years ago and has become an important and widespread pest of alfalfa. Larva and adult weevils defoliate a…

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Determining Plant Populations

Actual per acre population of plants may differ from the planting rate for a variety of reasons including poor weather or soil conditions, planter issues, diseases, insects, or poor germination. This …

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Corn Vegetative Stage Basics

Insects, diseases, weeds, and disorders are most likely to be more problematic during certain stages of corn plant development. Because of this, understanding the growth stage of a plant aids the far…

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Wheat Streak Mosaic, High Plains Disease, & Triticum Mosaic of Wheat

Wheat streak mosaic, High plains disease, and Triticum mosaic are part of a virus disease complex found in most wheat growing regions of the U.S. and into Canada. These diseases are caused by Wheat st…

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Anthracnose Stalk Rot of Corn

Anthracnose is likely the most prevalent stalk rot in the eastern United States. Affected plants have shredded pith and die prematurely. Anthracnose also causes a distinctive blackening of the stalk…

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Optimize Tar Spot Management and ROI in Corn

The highest and most consistent ROI from foliar fungicide is when fungicides are used for disease management.

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Wheat Streak Mosaic Virus

Wheat streak mosaic is part of a virus disease complex found in most wheat growing regions of the U.S. and into Canada. This virus complex causes major yield losses in both spring and winter wheat if …

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Agronomic Choices and Tar Spot Severity

Tar spot of corn, caused by the fungus Phyllachora maydis, is a significant pathogen of corn in the U.S. and Canada. While historically a major corn pathogen in Latin America, tar spot spread across t…

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Corn Grain and Silage Sampling and Mycotoxin Testing

If corn ear rots are a significant problem (e.g. damaged ears observed on greater than 10% of the plants examined) in the field, it is essential to test harvested grain and whole-plant silage for myc…

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Crop Scouting Basics for Corn and Soybean

The use of Integrated Pest Management (IPM) can help farmers obtain higher yields and increase profits in corn and soybean. IPM is a set of multidisciplinary tools; it assembles information from agro…

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Biopesticides for Crop Disease Management

Interest in using biological products in agriculture has increased in recent years. While synthetic pesticides are important in managing many key agricultural pests, biological products, such as biop…

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