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CW Podcast: Managing Early Season Insects in Corn and Soybeans

June 13, 2019
In the latest Nebraska CropWatch podcast Michael Sindelar is joined by Robert Wright from the Department of Entomology to discuss how to prevent or identify and treat early season insects in corn and soybeans.

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Thistle Caterpillars In Soybean

June 12, 2019
The painted lady butterfly has been observed in eastern Nebraska for about a month and recently there have been reports of its immature stage, the thistle caterpillar, in soybeans.

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Injury from 1/10 Labeled Rate of XtendiMAX on R1 Roundup Ready Soybean

Effects of Dicamba Micro-Rates On Non-Dicamba-Resistant Soybean

June 6, 2019
The authors report on research to evaluate six micro-rates of two dicamba products on growth, development, and yield of three non-dicamba-resistant soybeans at three growth stages of application: second trifoliate (V2), beginning flowering (V7/R1), and full flowering (R2).

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Figure 1. The degree of damage from standing water in this field will depend on several factors and likely will lead to direct yield losses or indirect losses from increased disease pressure.
Figure 1. The degree of damage from standing water in this field will depend on several factors and likely will lead to direct yield losses or indirect losses from increased disease pressure.

Response of Germinating and Early Season Soybeans to Flooding

May 30, 2019
Injury to germinating and seedling soybean from flooding depends on several factors, including soybean growth stage, flood duration, and air and soil temperature and varies the varieties. Pythium and Phytophthora are two diseases to scout for after flooding.

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Planting Still Lagging with Corn at 81%, Soybean, 56%

May 28, 2019
With cool, rainy conditions, planting progress was slow last week and remains behind normal, according to the USDA's National Agricultural Statistics Service report for Nebraska. There were just 2.2 days suitable for fieldwork.

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(Photo by Nathan Mueller)
Photo by Nathan Mueller

Only 27% of Corn, 7% of Soybean Emerged

May 21, 2019
With several sunny days last week planting progressed with 70% of corn and 40% of soybeans now planted. Continued progress will likely be delayed in many areas where there was rain and even snow early this week.

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Figure 1. A research plot at the university’s Eastern Nebraska Research and Extension Center (ENREC) near Mead on May 13, 2019. The entire plot is covered with no-till corn residue. The west half also is covered with a November 17 planted cereal rye cover crop. Soil temperatures 2 inches deep were recorded in each half, but were essentially the same, so are averaged in this report.
Figure 1. A research plot at the university’s Eastern Nebraska Research and Extension Center (ENREC) near Mead on May 13, 2019. The entire plot is covered with no-till corn residue. The west half also is covered with a November 17 planted cereal rye cover crop. Soil temperatures 2 inches deep were recorded in each half, but were essentially the same, so are averaged in this report.

Soybean Germination/Emergence with April Planting Dates Relative to Coincident Air and Soil Temperatures in April and May

May 16, 2019
A closer look at air and soil temperatures in April and soybean germination and emergence from 10 planting dates did not find chilling injury, despite periods below 50°F. Further research is needed to better understand the imbibitional period in soybean.

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USDA NASS: Corn Planting at 46%, Soybean at 20%

May 13, 2019
As of Sunday 46% of the state's corn was planted, up from 35% last week, but well behind the five-year average of 72%. Approximately 20% of soybean had been planted, up from 14% last week, but well behind the average of 32%.

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