Influence of pigeonpea resistance to Heliothis on the natural parasitism of Heliothis larvae

Sithanantham, S and Rao, V R and Reed, W (1983) Influence of pigeonpea resistance to Heliothis on the natural parasitism of Heliothis larvae. International Pigeonpea Newsletter, 2. pp. 64-65. ISSN 0255-786X

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Abstract

Three cultivars of pigeonpea [Cajanus cajan] resistant to Heliothis armigera (Hb.) and 3 susceptible ones were grown at 2 plant densities in Andhra Pradesh, India, in 1981-82. Parasitism of the noctuid larvae was higher in the susceptible than the resistant cultivars, averaging 42.5 and 34.5%, respectively, and was higher (36.7-47.4%) at 13.3 plants/m2 than at 4.4 plants/m2 (32.7-36.0%). The influence of the cultivar was greater in October-November (when Carcelia illota (Curr.) was the dominant parasite) than in January (when Goniophthalmus halli Mesnil predominated)

Item Type: Article
Divisions: UNSPECIFIED
CRP: UNSPECIFIED
Subjects: Mandate crops > Pigeonpea
Depositing User: Mr B K Murthy
Date Deposited: 29 Jan 2014 06:32
Last Modified: 29 Jan 2014 06:32
URI: http://oar.icrisat.org/id/eprint/7422
Official URL:
Projects: UNSPECIFIED
Funders: UNSPECIFIED
Acknowledgement: UNSPECIFIED
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