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February 28: Soil Fertility Seminar to offer continuing education

  • February 10, 2017

Soil fertility, crop production practices and environmental stewardship will be the foci of a Soil Fertility Seminar on February 28, 2017 in 18 different University of Illinois Extension county offices.
Presentations will be delivered through web conferencing from 9 a.m. to 2:30 p.m.
Topics and speakers will include:

  • Increasing importance of sulfur for field crops–Dr. John Sawyer, Iowa State University
  • Illinois NREC: What have we learned?–Dr. Robert Hoeft, Illinois Nutrient Research &

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Stakeholders needed: Herbicide resistance listening session at Commodity Classic

  • February 7, 2017

Are you an Illinois farmer?
 
How about an Illinois Ag chemical retailer, seed dealer, crop consultant, machinery/implement dealer, pesticide manufacture or public landowner?
 
Are you planning on attending the Commodity Classic in San Antonio in March?
 
Would you be willing to share your experiences regarding herbicide resistance management?
 
If you answered yes……..
Two weed scientists, Dr. Jeff Gonsolus (University of Minnesota) and Dr. Christy Sprague (Michigan State University), are working on behalf of the Weed Science Society of America to convene a Herbicide Resistance Management (HRM) Listening Session to be held at the Commodity Classic in San Antonio,…

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Helpful Reminders about Applying Dicamba in Dicamba-Resistant Soybean

  • January 11, 2017

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.  The Illinois Fertilizer and Chemical Association (IFCA) recently published a helpful checklist of “do’s and don’ts” for applying dicamba in dicamba-resistant soybean. …

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Extension Bi-State Crops Conferences in and near Western Illinois

  • December 12, 2016

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.
Hosts: Iowa State University and University of Illinois Extension
More Information: Click here to access the flier.

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2016 SDS Commercial Variety Test Results Available

  • December 5, 2016

SDS Variety Report
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. Maturity groups were divided into early and late categories; for example, MG II was split into early (2.0 to 2.4) and late (2.5 to 2.9) categories in order to more easily monitor crop development and assess disease at the appropriate growth stage (Figure).…

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Dicamba and Soybean: What to Expect in 2017

  • November 15, 2016

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.  Without question, there are instances and scenarios in which dicamba will improve control of certain weed species, but dicamba will not bring back the “good ol’ days” of POST-only weed control programs in soybean. …

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

  • November 15, 2016

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.
Certified Crop Advisers can earn up to 8 hours of continuing education credit. Advance registration, no later than one week before each conference, is $100 per person.…

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

  • October 25, 2016

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.  An increasing frequency of marestail populations in Illinois are resistant to glyphosate, and recently we confirmed resistance to ALS-inhibiting herbicides also is present in Illinois populations.  Targeting emerged marestail with higher application rates of products such as 2,4-D in the fall almost always results in better control at planting compared with targeting overwintered and often larger plants with lower rates of 2,4-D in the spring.…

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Diplodia ear mold at harvest: What can be done now?

  • September 23, 2016

Producers in western and west-southwestern Illinois may have observed symptoms of Diplodia ear mold during harvest.
 
Diplodia Symptoms and Machinery Adjustments at Harvest. Diplodia ear mold can cause lightweight kernels with a dull grey to brownish color and sometimes small black structures call pycnidia (Figure). The infected kernels are prone to breakage and can result in poor test weights, poor grain quality and fine materials in the hopper or grain bin. Adjusting combine settings can help to maximize grain cleaning and minimize breakage.…

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Remain Vigilant for Palmer amaranth

  • August 3, 2016

Palmer amaranth (Amaranthus palmeri) has garnered much attention recently in both academic discussions and popular press releases, and with good reason.  Among the weedy species of Amaranthus, Palmer amaranth has the fastest growth rate and is the most competitive with the crops common to Midwest agronomic cropping systems.  Soybean yield losses approaching 80% and corn yield losses exceeding 90% have been reported in the peer-reviewed scientific literature.
While most concern focuses on Palmer amaranth in agronomic cropping systems,…

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