With lower seed costs, low rootworm populations, and premiums paid on non-GMO corn, many growers are making the switch to growing non-Bt corn hybrids. Find out how scouting can help reduce the risk of transitioning.
For the past few years, folks in Pennsylvania have heard reports from Midwestern states of continuous corn growers struggling to control populations of western corn rootworms that developed resistance to some Bt corn varieties.
A journal article published recently (July 2014) confirms that rotation-resistant and rotation-susceptible western corn rootworms are affected by Bt root tissue in a similar fashion. The citation for this article is provided below.
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