Cover of new Extension publication, Foliar Fungicide Use in Soybean

New Publications from Nebraska Extension

August 3, 2017
New agricultural publications from Nebraska Extension include ones on fungicides for soybeans, a primer on cover crops, on-farm research results, agriculture in the Nebraska Panhandle, and ones on estimating soil water deep percolation or run-off.

Read more

USDA-NASS: Corn 61% Good-Excellent; Soybean, 60%

July 31, 2017

Winter wheat harvest has been completed across most of Nebraska, according to the July 30 report from USDA’s National Agricultural Statistics Service. Significant rainfall of an inch or more was received across most of the state during the previous week and a few north central counties received as much as four inches of rain.

Read more

Twospotted spider mites. Almost microscopic in size, the spider mites may be imperceptible on a leaf, but become more visible against its silk-like webs. (Photo by Jim Kalisch)

Spider Mite Reports Increasing

July 28, 2017
Spider mite populations are increasing in Nebraska. Fields should be scouted and the species correctly identified to provide proper management. Population levels should also be considered when treating fields with other insecticides that may knock out all natural predators, leading to population explosions of spider mites.

Read more

Wilted, stunted phytophthora
Figure 1. Wilted and stunted soybean plant due to phytophthora in an otherwise healthy field. (Photo taken in Hall County by Sarah Schlund)

Phytophthora Root and Stem Rot Developing in Soybeans

July 27, 2017
As conditions heated up the last two weeks, the fungus causing phytophthora root and stem rot became active in irrigated fields and those fields that received significant rain over the past couple weeks. Growers are encouraged to scout for this disease and, if found, manage through seed selection and treatment for the next crop.

Read more

Frogeye leaf spot

Frogeye Leaf Spot in Soybeans in Eastern Nebraska

July 27, 2017
Frogeye leaf spot is occurring in Nebraska soybeans, particularly in the eastern third of the state. While some fields have minor levels, some have significant levels and a fungicide treatment may be needed.

Read more

Charcoal rot in soybean

Charcoal Rot: A Hidden Threat to Soybean Yield

July 27, 2017
The persistent hot weather this growing season may be conducive to the development of charcoal rot disease in soybean and scouting is urged. Although charcoal rot is most severe in hot dry conditions, it can also cause losses when ample moisture is present, making it a hidden threat to yield.

Read more

Guide to estimating soybean leaf defoliation

Estimating Soybean Leaf Defoliation

July 26, 2017
Growers are reporting finding painted lady caterpillars and silver spotted skipper caterpillars in soybeans. This guide can help estimate leaf defoliation in soybean, key to determining whether treatment is necessary.

Read more

Dicamba injury symptoms in a Roundup Ready soybean field
Figure 1. Dicamba injury symptoms in a Roundup Ready soybean field near Geneva. (Photos by Amit Jhala)

Dicamba Injury Reports Rise in Nebraska

July 18, 2017
Reports of suspected dicamba injury to soybean and other sensitive crops are increasing. The author reviews application windows for dicamba in corn, a possible area of concern, and outlines what growers can do if they suspect dicamba injury in their fields.

Read more

Pages