Robert Klein - Western Nebraska Crops Specialist

Robert Klein

(faculty)
Work
WCREC 402 W State Farm Rd North Platte NE 69101-7751
US
Work 308-696-6705 On-campus 7-6705

Faculty Bio

Figure 1.  Red Willow County winter wheat variety plot.
Figure 1. Red Willow County winter wheat variety plot.

Post-Harvest Weed Control in Winter Wheat June 29, 2016

Timely control of weeds following winter wheat harvest can limit soil moisture loss to weeds and prevent the deposit of more weed seeds in the soil, two factors that can benefit the next crop's yield. In addition, timely control of volunteer wheat is essential in reducing the spread of wheat streak mosaic disease. See what influences effectiveness of weed control and how to make your crop more competitive.

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Wheat streak mosaic
Wheat streak mosaic

Control Volunteer Winter Wheat and Other Weeds Now to Increase and Protect 2017 Yields, Income June 23, 2016

By far, the greatest risk of losses from mite-vectored viruses occurs when there is a summer "green bridge" of volunteer wheat emerging before harvest. This almost always occurs as a result of wheat seed head shatter from hail storms (Figure 1).

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Wheat stripe rust
Stripe rust in wheat

Stripe Rust Widespread in Wheat But Mostly At Low Levels May 6, 2016

Report of this week's wheat disease survey: On May 3 stripe rust was observed for the first time at the UNL Havelock Farm in Lincoln, where incidence was low and severity ranged from trace to high. t the Agricultural Research and Development Center near Mead on May 3, infections had spread from small hot spots one to two weeks earlier to larger areas in research plots, and leaf damage was apparent Wheat growth stage at these two locations ranged from flag leaf emergence to heading. On May 5, field surveys found stripe rust to be widespread in the west central and southern Panhandle of Nebraska. The flag leaf had not emerged or was just starting to emerge in these parts of the state. Wheat mosaic virus was identified in Deuel County.

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Two wheat fields in western Nebraska
Figure 1. A good fall, mild winter, and plenty of soil moisture are all contributing to what could be a high-yielding wheat crop for Nebraska growers this year. (Left) This wheat field 12 miles sotheast of Ogallala looked a little ragged after 4-5 inches of wet snow, but was expected to return to normal growth. (Right) Most of the snow had melted by May 3 in this wheat field near Sidney. (Photos by Bob Klein and Karen DeBoer)

Above Average Wheat Yields Expected Across Nebraska May 5, 2016

Although Nebraska’s planted wheat acres are at record lows, producers should expect high yields. Favorable growing conditions, including a mild winter and abundant precipitation, has Nebraska wheat positioned to achieve wheat yields not seen in the past five years. However, farmers should scout carefully for wheat rust and be prepared to treat any outbreaks in a timely manner.

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Wheat Condition and Soil Moisture Reports April 8, 2016

This week the National Drought Monitor rated almost 25% of Nebraska as "abnormally dry," a major change from 0% since Jan. 1. Most of the affected area was along the southern tier of Nebraska counties.

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Calibrating Your Sprayer for Effective Application March 18, 2016

Uneven pressure throughout the sprayer boom can mean uneven application of pesticides. The first step in sprayer calibration is to determine that the spray pressure is equal throughout the spray boom.

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Improving Pesticide Efficacy and Managing Spray Drift March 17, 2016

In pesticide application, two important factors are pesticide efficacy and spray drift management. The goal is to achieve 100% pest control with 0% spray drift. As with most situations where you can’t control all the variables, achieving this goal is a tall order.

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