Jenny Rees - Extension Educator

Jenny Rees

faculty
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2345 Nebraska Ave York NE 68467
US

Twitter: @jenreesources
Blog: JenReesources Extension Blog

stripe rust on wheat
Figure 2. Stripe rust on the upper leaves in a research plot at the ARDC on April 21

After Rains, Some Wheat Diseases Increasing April 22, 2016

Following rains across much of the state last week, wheat diseases appear to be increasing, based on field surveys this week. Reported diseases include powdery mildew, stripe rust, and leaf spot.

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10 Steps for On-Farm Research Success April 21, 2016

Interested in testing a practice or product under your field conditions and available equipment? Here are 10 steps to help ensure your results are reliable and meaningful to your operation.

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Soybean Seeding Rate Tips April 20, 2016

Numerous soybean seeding rate studies have indicated that a final plant population of about 80,000 to 120,000 plants per acre is likely sufficient for ensuring an economic return, with the latter being based on weighing the slightly higher yield potential with higher final pl

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Photos of canopy closure based on various planting dates
Figure 3. Canopy cover in early July for each planting date in a 2015 Nebraska study. Authors note that fields that have closed canopy and are "green to the eye by the 4th of July" make the best use of sunlight to generate top yields.PD = planting date.

Early Bird Gets the Worm: Benefits of Early Soybean Planting April 20, 2016

A 4-Step Early Bird Guide to Higher Soybean Yield Potential:

  • Select full-season varieties with proven yield performance.
  • Know your replant coverage with seed suppliers and insurance.
  • Shoot for soil temperatures above 50°F during the 48 hours after planting.

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Thermometer taking temperature of residue-covered soil
Taking the soil temperature

Three Key Considerations for Planting Corn and Soybeans April 15, 2016

Planting as early as possible allows your crop to collect solar radiation sooner; however, the practice comes with some risks which need to be weighed against the benefit.

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Photos of 3 wheat fields: with stripe rust, leaf rust, and healthy
(From left) Figure 1. A hot spot of stripe rust in a research plot at the ARDC near Mead on April 14. Figure 2. Leaf rust in a research plot at the ARDC near Mead on April 14. Figure 3. A healthy wheat field in Thayer County on April 13. (Figures 1-8 by Stephen Wegulo)

Stripe Rust & Aphids Confirmed in Nebraska Wheat April 15, 2016

Wheat disease surveys on April 8 and April 12-14 found stripe rust and leaf rust at trace to low levels in south central and southeast Nebraska and in the Panhandle. Given the locations of outbreaks in Banner County this spring are the same as when the disease was identified in seedlings last fall, the two rusts may have overwintered. See more reports and management recommendations.

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Wheat Leaf Rust Confirmed in Nebraska March 31, 2016

On March 30, leaf rust was found in several wheat fields in Nuckolls County in south central Nebraska. Severity was trace (Figure 1), but the rust was found in every field surveyed. Presence of leaf rust in Nebraska this early in the growing season suggests it may have overwintered or is a result of unusually warm winter temperatures which resulted in earlier than normal movement of spores from southern states into our region.

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