From June 16th - July 15th, we asked No-Till Farmer readers: "What impact has reports of resistance to some Bt rootworm corn products had on your operation?"
On Aug. 24, 2012, in cooperation with Aaron Gassmann’s laboratory, Iowa State University, the evolution of field resistance by corn rootworms to the Cry3Bb1 protein was confirmed in some problem fields located in northwestern Illinois (Henry and Whiteside Counties).
Source: By Michael Gray, University of Illinois Extension
Michigan State University field crops entomologist Chris DiFonzo and University of Wisconsin entomologist Eileen Cullen recently updated and published their “Handy Bt Trait Table.� This great reference provides information for transgenic hybrids on the types of Bt proteins expressed, insects controlled, herbicide tolerance and refuge requirements for selected traits.
Aside from what goes in the bin, there probably isn't a more important task during corn harvest for no-tillers than making sure residue is properly processed.
No-till and biodiversity can preserve beneficial insect populations that naturally control crop pests, and possibly reduce insecticide usage, says a USDA expert.
The prevalent attitude that the only good bug is a dead bug is leading agriculture down a perilous road, says Jonathan Lundgren, an entomologist at the USDA-ARS laboratory in Brookings, S.D.
I now know that what I was calling no-till in the early 1970s wasn’t what many would classify as no-till, but my farming operation now certainly fits the definition. Only the coulters on my no-till planter and drill crack the surface of my fields today.
In-plant insect protection has long been helping corn producers sleep better at night — comfortable in the knowledge that their fields are safe from at least some of the yield-robbing threats they face.
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On this edition of Conservation Ag Update, brought to you by CultivAce, longtime no-tiller Jim Leverich explains why 20-inch corn rows are paying off big time on his Sparta, Wis., farm.
Needham Ag understands the role of technology in making better use of limited resources within a specific environment by drawing on a wealth of global experience to overcome the challenges facing today's farmers, manufacturers and dealers.
The Andersons grows enduring relationships through extraordinary service, a deep knowledge of the market, and a knack for finding new ways to add value as we have done for nearly 70 years.