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Evaluation of Virginia-type Peanut Cultivars for Resistance to Southern Corn Rootworm¹

Authors: T. A. Coffelt , D. A. Herbert

  • Evaluation of Virginia-type Peanut Cultivars for Resistance to Southern Corn Rootworm¹

    ARTICLES

    Evaluation of Virginia-type Peanut Cultivars for Resistance to Southern Corn Rootworm¹

    Authors: ,

Abstract

Southern corn rootworm (SCRW) (Diabrotica undecimpunctata howardi Barber) is the most damaging soil insect to peanut (Arachis hypogaea L.) in the Virginia-North Carolina production area. New cultivars and advanced breeding lines have not been evaluated for resistance to SCRW. The objective of this 3-yr study was to evaluate three new cultivars (NC-V 11, VA-C 92R, and Agra Tech VC-1) and an advanced breeding line (VA 861101) for resistance to SCRW. NC 6 and NC 9 were used as resistant and susceptible checks, respectively. Pod damage, yield, market grade, and dollar value were obtained for each plot. Agra Tech VC-1, VA-C 92R, and VA 861101 had less total pod damage from SCRW than NC 9. VA 861101 produced significantly higher yields and value per ha than all cultivars on soil types conducive to SCRW damage. Insecticidetreated plots had significantly higher value per ha and lower total pod damage than untreated plots. Results from this study indicate that VA 861101 may be an acceptable replacement for NC 6. Agra Tech VC-1 is the most resistant of the newly released cultivars, but this is not reflected in higher yields.

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Keywords: Arachis hypogaea L, Diabrotica undecimpunctata howardi Barber, Groundnut, integrated pest management, Insecticide, insect resistance, pest resistance, breeding

How to Cite:

Coffelt, T. & Herbert, D., (1994) “Evaluation of Virginia-type Peanut Cultivars for Resistance to Southern Corn Rootworm¹”, Peanut Science 21(2), p.88-91. doi: https://doi.org/10.3146/i0095-3679-21-2-4

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Published on
01 Jul 1994
Peer Reviewed

Author Notes

1The research reported in this publication was a cooperative effort of the USDA-ARS and the Tidewater Agric. Exp. Stn., Virginia Polytechnic Inst, and State Univ. (VPI&SU), Suffolk, VA 23437-0099. The use of trade names in this publication does not imply endorsement by USDA-ARS or VPI&SU of the products or cultivars named, nor criticism of similar ones not mentioned.