Apr 9, 2014 ... The control larvae had never been exposed to corn rootworm Bt protein ... than
expected levels of damage to rootworm Bt hybrids in their fields.

Aug 29, 2013 ... Significant Western corn rootworm larval injury in first-year cornfields has been
confirmed in Livingston and Kankakee counties in Illinois, ...

Aug 19, 2011 ... But after researchers at Iowa State University were alerted to high levels of
feeding damage in some fields, they began to test Bt corn hybrids ...

Jun 13, 2012 ... Reports of severe injury to Bt corn that expresses the Cry3Bb1 protein ... In 2011,
similar reports of injury to Bt hybrids expressing this protein ...

Mar 20, 2012 ... The result is a biological diversity desert in many corn and soybean ... However,
the widespread use of Bt-corn hybrids, which produce one or ...

Sep 1, 2011 ... The fields have been in continuous corn production for many years, and the
producers have relied on Bt hybrids that express the Cry3Bb1 ...

Apr 4, 2013 ... As in previous growing seasons, the use of Bt hybrids will remain a key tactic in
2013 for corn rootworm protection. However, the number of ...

Apr 1, 2013 ... For mite problems on both soybeans and corn, Krupke says control options are ...
Second is to use a non-Bt hybrid along with a soil insecticide.

Mar 4, 2008 ... Attention growers: More transgenic corn may equal more challenges. ... refuge
within a transgenic field, specifically when using Bt corn hybrids.

Nov 13, 2012 ... Syngenta has introduced a diverse line-up of 70 new corn hybrids for the ... More
Corn Rootworm Resistance To Bt Corn Reported In Illinois.