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Ovipositional Preference and Larval Establishment of the Indian Meal Moth and Almond Moth on Selected Peanut Genotypes¹

Authors: ,

Abstract

Thirty-nine selected peanut (Arachis hypogaea L.) genotypes from a diverse germplasm collection with known resistance and susceptibility to preharvest insects were tested in the laboratory for postharvest resistance to the Indian meal moth, Plodia interpunctella (Hubner), and the almond moth Cadra cautella (Walker). After the initial test the number of genotypes was reduced to 20 to reduce duplication of pedigree and omit some of the genotypes with intermediate resistance. Additional data were collected from the 20 genotypes on ovipositional preference and larval establishment on shelled and unshelled (farmers stock) peanuts.

Genotypes with resistance to moth species included NC 6, GP-NC 343 × NC 5, PI 467307, NC 7 × NC 10247, GP-NC 343 × NC 17367 and breeding line 10-P10-B1-B1-B1-B1-B2. Resistance to preharvest and postharvest insect complexes suggest some common chemicals may be present in the green crop and the harvested seed that elicit ovipositional response.

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Keywords: Arachis hypogaea L, Plodia interpunctella (Hubner), Cadra cautella (Walker), genotype resistance to insects, cross resistance, ovipositional preference, larval establishment

How to Cite: Kashyap, R. & Campbell, W. (1990) “Ovipositional Preference and Larval Establishment of the Indian Meal Moth and Almond Moth on Selected Peanut Genotypes¹”, Peanut Science. 17(1). doi: https://doi.org/10.3146/i0095-3679-17-1-5

Author Notes

1Paper No. 12153 of the Journal Series of the North Carolina Agricultural Research Service, Raleigh, N.C. 276957643. This research was partially supported by a grant from FAO, Rome and USAID, Peanut CRSP under Grant No. DAN-4048-G-SS-206500 and the Ministry of Agriculture, Government of India and Haryana Agricultural University, Hisar.