CROPS NEWS
Weeds to Watch - 9
Emily Unglesbee DTN Staff Reporter
Mon Mar 3, 2014 08:26 AM CST

Waterhemp is the Houdini of the weed world. The hardy, prolific member of the Amaranthus family was already outsmarting various chemistries when Roundup Ready technology arrived to save the day. By 2005, the great escape artist had figured a way around glyphosate, too.

"The greatest concern is not just resistance to glyphosate, it is resistance to two and three and four classes of herbicides," said Aaron Hager, University of Illinois weed scientist. "Multiple-resistant waterhemp is really the problem."

Waterhemp populations now exist with resistance to triazines, ALS-inhibitors, PPO-inhibitors, HPPD-inhibitors and glyphosate in 14 states, from Mississippi to Minnesota. Most worrisome ...

Quick View
  • Stay on Top of SDS The distinctive yellow patches of sudden death syndrome (SDS) are surfacing in soybean fields acr...
  • Ample Stocks Ahead Drought recovery in many areas has led to higher stocks, brighter production prospects and modera...
  • Precision Ag Potential Pending Precision agriculture proponents insist the industry can revolutionize agriculture, but first mor...
  • Cash Rent Reset - 2 Iowa farmland owners Fred and Lodean Cook may consider flexible cash leases for the first time th...
  • Iowa Land Gets a Bounce Key Midwest land values are stuck in neutral or sliding below 2014 levels, recently released opin...
  • Canadian Dairy Conundrum Coping with Canada's dairy industry import tariffs and supply controls remains one of the stickin...
  • Klinefelter: By the Numbers Deteriorating profit margins flip the fortunes of big renters and conservative owner-operators. I...
  • Training for Sustainability The Hmong American Farmers Association is helping producers who migrated to the United States fol...
  • Ask the Vet What are these crusty scabs on my cattle?
Related News Stories
Dr. Dan Talks Agronomy
Farmers Question USDA Corn Yields
Newsom on the Market
Exporters Report Corn Sale
Todd's Take
China Contemplates Corn Policy Change
Newsom on the Market
Dr. Dan Talks Agronomy
Todd's Take
Exporters Report Corn Sale