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Agronomy 2013, 3(2), 488-496; doi:10.3390/agronomy3020488

The Impact of Volunteer Corn on Crop Yields and Insect Resistance Management Strategies

1 Department of Crop and Soil Science, Oregon State University, Corvallis, OR 97331, USA 2 Pioneer Hi-Bred International Inc., Des Moines, IA 50309, USA 3 Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA
* Author to whom correspondence should be addressed.
Received: 3 May 2013 / Revised: 28 May 2013 / Accepted: 29 May 2013 / Published: 14 June 2013
(This article belongs to the Special Issue Weed Management and Herbicide Resistance)
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Volunteer corn (VC) has reemerged as a problematic weed in corn/soybean rotational cropping systems. This reemergence and increasing prevalence of volunteer corn has been correlated to an increased adoption of herbicide-resistant (HR) corn hybrids and the adoption of conservation tillage. Since the introduction of HR crops, control options, weed/crop competition, and other concerns (i.e., insect resistance management of Bt traits) have increased the amount of attention that volunteer corn is receiving. The objective of this review is to discuss what is known about VC prior to and after the introduction of HR crops, and to discuss new information about this important weed.
Keywords: competition; volunteer corn; resistance management; Bt; Cry3Bb1 competition; volunteer corn; resistance management; Bt; Cry3Bb1
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Marquardt, P.T.; Terry, R.M.; Johnson, W.G. The Impact of Volunteer Corn on Crop Yields and Insect Resistance Management Strategies. Agronomy 2013, 3, 488-496.

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