What's New for 2009

The Wisconsin Crop Management Conference (formerly called the Fertilizer, Ag Lime & Pest Management Conference) was held on January 13 to 15, 2009 in the Exhibition Hall of the Alliant Energy Center in Madison. A summary will be available soon.

The 2009 Corn/Soy Expo was held on January 29 and 30, 2009 at the Kalahari Resort in Wisconsin Dells. Review the presentations (pdf format) on the Expo website»

New Publications

Soybean Cyst Nematode Management Guide - new and updated for 2009. The fifth edition of this popular, authoritative guide is made possible by check-off funds through the North Central Soybean Research Program. The 16-page guide is available in pdf format to read or print»

2008 Soybean Aphid Research Update. The North Central Soybean Research Program (NCSRP) has published a 12-page, full-color report that includes soybean aphid biological control, genetic resistance (aphid resistant varieties coming soon), aphid early-warning systems, revisiting the 250 threshold, and treatment recommendations. Order your free print copy from NCSRP by calling 1-800-383-1423. You can also download a copy or read online in pdf format».

Identification of Soybean Aphids and Look-Alike Species — two-page color brochure (pdf)

Pest Management in Wisconsin Field Crops 2008. This comprehensive guide includes herbicide ratings for common weed problems, insect thresholds, scouting information, and management recommendations for insects, weeds, and diseases of corn, soybeans, forages and small grains grown in Wisconsin. Read online (2.5MB pdf) or order a print copy .

Soybean Aphids in Iowa--2007 (SP 247)
A revised publication on the soybean aphid by Marlin E. Rice, Matt O'Neal, and Palle Pedersen, extension specialists at Iowa State University. Read online at the ISU Soybean Management website (pdf file) or order a hard copy from the Iowa State University Extension Online Store.

Soybean Growth Stages and Aphid Thresholds — a visual guide to soybean growth stages and the action threshold for soybean aphid management at each growth stage. View pdf»

Herbicide Mode of Action Key for Injury Symptoms (pdf)
A full-color two-sided photographic key to injury symptoms caused by herbicides on corn and soybean. Side one is injury at emergence and side two is injury after emergence. Print copies can be ordered from the NPM Program at 608-265-2660 or npm@hort.wisc.edu.

Identifying Soybean Growth Stages - fact sheet from Michigan State University (pdf)