Wheat Update: Leaf Rust Confirmed, Stripe Rust Widespread But at Low Levels
Be Patient When Assessing Winter Wheat Damage
Additional time is needed to properly access the injury and potential yield loss of Nebraska winter wheat, given the cold temperatures that followed last week's below freezing temperatures, heavy wet snow, and high winds. It takes at least a week to 10 days of warm temperatures to make a quality assessment.
USDA NASS: Corn Planting at 34%, Soybean at 8%
Stripe Rust Confirmed in Wheat in South Central and Southeast Nebraska; Other Diseases Increasing
Wheat fields are still looking green (Figure 1). However, development of several diseases is increasing. On April 26, stripe rust was confirmed in Nuckolls County in south central Nebraska and on April 27, it was found at low to moderate levels in research plots at the University of Nebraska-Lincoln’s Havelock Research Farm near Lincoln in Lancaster County (Figure 2).
Assessing Freeze Injury to Wheat
Above Normal Temps Lead to Jump in Corn Planting Progress
With temperatures averaging two to four degrees above normal for the week ending April 23, corn planting was well underway and soybean planting had started in Nebraska, according to USDA’s National Agricultural Statistics Service.