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2016 University of Illinois Plant Clinic Herbicide Resistance Report

Glyphosate and PPO inhibitor Summary: 593 field samples representing approximately 2,000 waterhemp or palmer amaranth plants were tested for herbicide resistance at the University of Illinois Plant Clinic in the 2016 season. The Plant Clinic started offering herbicide resistance testing of waterhemp for resistance to two groups of herbicides (glyphosate and PPO inhibitors) in 2015.… Read more

Calling All Soybean Growers

A year ago I asked Illinois soybean growers and those who work with growers to help on a large project, funded by soybean checkoff funds by the North Central Soybean Research, designed to gather a small set of information on more than 500 soybean fields in Illinois for each crop year from 2014 through 2017.… Read more

Helpful Reminders about Applying Dicamba in Dicamba-Resistant Soybean

Proper application stewardship of dicamba in dicamba-resistant soybean increases the likelihood of good weed control while concomitantly decreasing the potential for off-target herbicide movement.  The labels of two commercially available dicamba formulations approved for application in dicamba-resistant soybean (Engenia from BASF and XtendiMax from Monsanto) include many application guidelines and restrictions that all applicators must follow. … Read more

Extension Bi-State Crops Conferences in and near Western Illinois

Newer and longer-term partnerships between personnel in Illinois and personnel in Missouri and Iowa have resulted in several bi-state crops conferences to be held during January 2017 in Western Illinois or Eastern Iowa.

 

Friday, January 6, 2017: Bi-State Crop Advantage Conference, Burlington, IA, 8:30 AM – 4:00 PM

Location: Comfort Suites, 1708 Stonegate Center Drive, Burlington, IA.… Read more

Nitrogen on Corn in 2016: A First Look

The 2016 cropping season was a good one in Illinois, with planting a little ahead of normal and good May moisture and temperatures to get the crop off to a good start. June was warm and, in most parts of Illinois, drier than normal; parts of western Illinois received less than an inch of rainfall for the month.… Read more

2016 SDS Commercial Variety Test Results Available

This past growing season personnel from Southern Illinois University, Iowa State University and University of Illinois evaluated more than 580 soybean varieties from 22 seed companies in USB-sponsored sudden death syndrome (SDS) variety trials. The varieties that were evaluated ranged from the very early (MG 0) to late (MG V) maturity groups.… Read more

Dicamba and Soybean: What to Expect in 2017

The long-awaited label allowing dicamba use in dicamba-resistant soybean was granted November 9, 2016, by the United States Environmental Protection Agency (EPA), although only one commercial product received that label.  Many Illinois farmers anticipate this technology will provide a much-needed solution to challenges caused by weed populations resistant to herbicides from multiple site-of-action groups and other difficult-to-control species. … Read more

Registration is now open for the 2017 Regional Illinois Crop Management Conferences

Registration is open for the 2017 Crop Management Conferences. These regional conferences provide a forum for discussion and interaction between participants and university researchers and are designed to address a wide array of topics pertinent to crop production in Illinois: crop management, pest management, nutrient management, soil and water management.… Read more

Soil Nitrogen and N Management Following the 2016 Crop

The 2016 growing season has been a very good one for corn in Illinois, with the November yield estimate of 202 bushels per acre, slightly higher than our previous best of 200 bushels per acre in 2014.… Read more

Fall-Applied Herbicides: Which Weed Species Should be the Target?

Herbicides applied in the fall often can provide improved control of many winter annual weed species compared with similar applications made in the spring.  Marestail is one example of a weed species that is often better controlled with herbicides applied in the fall compared with the spring. … Read more