%0 Journal Article
%@ 0255-786X
%A Sithanantham, S
%A Rao, V R
%A Reed, W
%D 1983
%F icrisat:7422
%I International Crops Research Institute for the Semi-Arid Tropics 
%J International Pigeonpea Newsletter
%P 64-65
%T Influence of pigeonpea resistance to Heliothis on the natural parasitism of Heliothis larvae
%U http://oar.icrisat.org/7422/
%V 2
%X 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)