Process for sampling soybean leaves to assess defoliation

Management of defoliating insects in Nebraska soybeans

January 16, 2020

Many defoliating insects may be found in Nebraska soybeans. Estimating defoliation levels in fields is the best way to decide whether it will pay to treat for these insects.

We saw several different insects in parts of Nebraska causing defoliation in soybeans in 2019. These included:

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New USDA Harvest Projections Down from 2018

November 8, 2019
Based on November 1 conditions, Nebraska's 2019 corn crop is forecast at 1.77 billion bushels, down 1% from 2018. Soybean production is forecast at 282 million bushels, down 13%.

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Nebraska Harvest Progressing with Corn at 60%, Soybean, 94%

November 4, 2019
As of Nov. 3 Nebraska's corn harvest was 60% complete, near last year's 62%, but behind the five-year average of 69%, and soybean harvest was 94%, ahead of 88% last year, and equal to average.

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Nebraska map showing counties where soybean cyst nematode has been confirmed

Fall Sampling for SCN

October 29, 2019
Have you noticed field areas where soybean yield wasn't what you expected? The culprit might just be soybean cyst nematodes, the most yield-limiting pest in soybeans. Find out if your fields are affected with a free test from the Nebraska Soybean Board.

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Starburst pattern on Fusarium-infected corn kernels

Crop Diseases Reported by the UNL Plant and Pest Clinic

October 18, 2019
Root, crown and ear rots lead the list of corn and soybean diseases reported in samples submitted to the UNL Plant and Pest Diagnostic Lab from October 1 to October 17.

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Combine dumping harvested soybeans in a truck

Soybean Drying, Storage Could Be Challenging

October 16, 2019
A challenging soybean harvest this fall is raising many storage and drying issues, including the potential for increased shatter losses, moisture variation, and storage losses. See these recommended drying times and temperatures for safer storage.

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Historical Analysis of Prevent Plant Cropland in Nebraska

October 16, 2019
How does this year's prevented planting compare with the last 10 years? Every season has its challenges, but heavy spring precipitation and flooding made this year one for the record books.

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Photo of field comparison of soybean planting dates and maturities at different stages.

Projecting Dates for Ending Reproductive Stages of a Soybean Crop Using SoyWater

October 9, 2019
How did the 2019 growing season affect the date of R7 (PM) in soybean varieties differing in MG (1.1 to 4.1) and planting date in eastern Nebraska? Take a look at graphs showing seasonal vegetative (Vn) and reproductive (Rn) development versus calendar date and compare the data with field photos.

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