Research Article
Cell Mediated Immune Response of Helicoverpa armigera Hubner and Spodoptera litura Fabricius to Fern Phytoecdysteron
Crop Protection Research Centre, Department of Advanced Zoology and Biotechnology, St.Xavier�s College (autonomous), Palayamkottai 627 002, Tamil Nadu, India
P. Selvarj
Entomology Section, Sun Agro. Biotech Research Loboatory, Porur, Chennai 600 116, India
R. Balasubramanian
Crop Protection Research Centre, Department of Advanced Zoology and Biotechnology, St.Xavier�s College (autonomous), Palayamkottai 627 002, Tamil Nadu, India