Robert Klein - Emeritus Extension Professor

Robert Klein West Central Research and Extension Center
402 W State Farm Rd
North Platte NE 69101-7751
308-696-6705
robert.klein@unl.edu


Increase Dryland Corn or Grain Sorghum Yields by 35 Bushel per Acre by Controlling Weeds in Wheat Stubble

July 10, 2020
Research by the late Gail Wicks concluded that 3 inches of water were saved in the soil profile when weeds were controlled in a timely manner after the winter wheat harvest. Each inch of soil water increases the yield of corn or grain sorghum by approximately 12 bushels.

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Figure 1. The wheat-mite-virus complex has extreme potential to impact yield the following year if high risk volunteer wheat situations are not managed well
Figure 1. The wheat-mite-virus complex has extreme potential to impact yield the following year if high risk volunteer wheat situations are not managed well. (Photo by Gary Hein)

Why Control of Volunteer Wheat is Critical to Protecting Next Season's Yields

June 23, 2020
Volunteer wheat can provide the summer "green bridge" for the disease wheat streak mosaic and other virus diseases. This almost always occurs as a result of wheat seed shattered from heads during hail storms.

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herbicide being applied to soybean field

Ninth Circuit Court Orders Cancellation of Three Dicamba Products - Updated

June 6, 2020
On June 8, 2020 the EPA release a statement providing farmers with needed guidance following the Ninth Circuit Court ruling.

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Dicamba damage in soybeans

Ninth Circuit Court Orders Cancellation of Three Dicamba Products

June 5, 2020
The United States Court of Appeals for the Ninth Circuit issued a ruling on June 3, 2020 that immediately cancelled the registration of XtendiMax®, FeXapan®, and Engenia® primarily used in dicamba-resistant soybean, also known as Roundup Ready 2 Xtend® soybean.

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Septoria tritici blotch in the lower canopy of wheat

Wheat Diseases Developing, Scout Fields for Early Detection

May 15, 2020
Reports from the wheat growing regions in Nebraska indicate low or no disease pressure in most growers’ fields. However, some fields are showing low to moderate levels of disease.

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When estimating whether severely injured plants will survive, check the growing point. Healthy growing point is yellow/white and firm as is shown in this picture. Unhealthy growing point is discolored and soft to the touch.
When estimating whether severely injured plants will survive, check the growing point. Healthy growing point is yellow/white and firm as is shown in this picture. Unhealthy growing point is discolored and soft to the touch.

Replanting Corn: Things To Do and Think About

May 15, 2020
With the recent frost events that occurred the weekend of May 9-10, 2020 in portions of the State, some are questioning the need to replant corn. It’s important to assess potential recovery before making replant decisions.

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wheat damaged by freeze

Assessing Freeze Injury to Wheat

April 24, 2020
It takes a number of warm days (a week or more depending on temperatures) after freezing to determine the condition of the winter wheat crop, so don’t make any quick decisions after a freeze.

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image showing freeze injury in wheat

Freeze Injury in Winter Wheat a Common Occurrence in Nebraska

April 9, 2020
A cold front brought another round of freezing temperatures across most of Nebraska this week. Learn more about what to expect.

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