The gram pod horer, Heliothis armigera (Hb) causes heavy damage by feeding on the developing grains in redgram. The control of the pod borers with chemical insecticides in redgram has already been reported by various workers (Saharia and Dutta, 1975, Balasubramanian et al. 1977; Chelliah et al. 1978). The utility of nuclear poly-hedrosis virus (NPV) in the control of H. armigera on bengalgram has been reported by Narayanan (1979) and Santharam and Balasubramanian (1981) Honce an attempt was made in the present study to evaluate the efficacy of NPV of H. armigera and insecticides alone and in combination for the control of H. armigera on redgram in pot culture and field conditions.
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Madras Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641
003
Tamil Nadu, India.
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