NEWS
Soybean Double Trouble
Emily Unglesbee DTN Staff Reporter
Wed May 14, 2014 08:27 AM CDT

LAWRENCE, Kan. (DTN) -- Soybean farmers have good reason to feel a little paranoid this spring. A new Iowa State study has found that soybean aphids are conspiring with soybean cyst nematodes (SCN) to weaken the effectiveness of some SCN-resistant soybean varieties.

"The take-home message for farmers is that when soybean aphids are feeding on soybeans that are resistant to SCN, it can lessen their resistance and therefore you could have greater than expected nematode reproduction and yield loss," said Iowa State plant pathologist Greg Tylka, one of the study's authors.

The study used a greenhouse experiment to monitor nematode ...

Quick View
  • Crop Tech Corner In this week's Crop Tech Corner, researchers produce orange-colored corn with sight-saving capabi...
  • Strong Immunity Wins Two weeks after calving, cows lose body condition. But if she is short on nutrients, too, that dr...
  • Russ' Vintage Iron DTN staff reporter Russ Quinn takes a look at farm life nearly a century ago.
  • Klinefelter: By the Numbers Farm lenders should halt their petty rivalry and focus on agriculture's best interest: Our nation...
  • CWA Rule Pressure The Pennsylvania Department of Environmental Protection has asked the federal EPA to withdraw the...
  • GOP Picks Conaway as House Ag Chairman The House Republican Steering Committee on Tuesday selected Rep. Michael Conaway, R-Texas, as the...
  • Head Start A Pennsylvania teen has two years of a farm-to-fork business under his belt and is looking to exp...
  • Woodbury: Farm Family Business One of the world's wealthiest families measures success not in dollars but in authenticity.
  • Ask the Vet A warning about bull breeding soundness.
Related News Stories
Game Plan for Canada Fleabane
USDA Whacks at Resistant Weeds
Fitting in Fall Herbicides
Dodging Weeds
Get In the Mode