Extension Crop Reports June 5-9, 2017

June 5, 2017

Extension Crop Reports June 5-9, 2017

corn post twisted whorl
cross-banding recovery in corn
Figure 1. Remnant symptoms of cross banding on 4th or 5th leaf of corn. Cold soils prior to plant emergence cross-banded leaves before emergence. These symptoms were first reported in a
May 12 CropWatch story and a May 19 follow-up story. All the plants shown in Figures 1-3 have completely recovered. (Photos by Roger Elmore, SCAL, June 8, 2017.)
corn-cross-banding-recovery
Figure 2. Remnant symptoms of cross banding on 4th leaf of two plants.

cross-banding recovery in corn
Figure 3. Remnant symptoms of cross banding on 3rd and 4th leaves of two different plants. Cold soils prior to plant emergence cross-banded leaves before emergence.

Keith Glewen, Extension Educator in Saunders County: A few growers finished their first round of planting soybeans over the June 3 weekend. Unfortunately other growers are experiencing significant problems with soybean stand establishment as the result of hard and heavy rains May 18-21, resulting in a second round of planting. (6/5/17)

Jenny Rees, Extension Educator serving York, Seward, Clay, Nuckolls, Fillmore, Thayer Counties: We continue to monitor corn affected by what we believe to be wheat stem maggots planted into rye or wheat cover crop. Justin McMechan and Bob Wright took samples from affected fields across south-central Nebraska. More information with pictures of what to look for at http://jenreesources.com. (6/5/17)

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