​​Row Spacing and Seeding Rate and Affects on Weed Management

June 2017 | 26 min., 12 sec.
by Shawn P. Conley
University of Wisconsin-Madison
https://doi.org/10.1094/GROW-SOY-06-17-141

Summary

​Pigweeds are among the most abundant and troublesome weed species across the Midwest and Midsouth because of their prolific seed production capacity and their ability to rapidly evolve herbicide resistance. This considerable challenge has sparked renewed farmer and practitioner interest in diversifying weed management by implementing integrated weed management (IWM) programs that efficiently manage weeds, increase soybean light interception, and increase grain yield. Our results suggest that even though agronomic practices such as row spacing and seeding rate can positively influence weed crop interactions a combined PRE followed by POST herbicide strategy was our most valuable IWM tool to decrease weed seed production and increase soybean yield.

About the Presenter

Shawn P. Conley​ Shawn P. Conley State Soybean and Small Grains Extension Specialist at the University of Wisconsin, Madison, received his academic degrees (BS, MS, and PhD) from the University of Wisconsin, Madison and graduated in August of 2001. He began his academic career at the University of Missouri, where he served as the State Cropping Systems Specialist. From there, he moved to Purdue University, where he served as the State Soybean and Wheat Extension Specialist until July 31st, 2007. He began his appointment at the University of Wisconsin, Madison, on August 1, 2007.

Contact Information:
Email: spconley@wisc.edu

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