author(s)
Chhavi, Pawan K Sharma and Ajai Srivastava

abstract
A field trial was carried out to evolvethe effective dose of egg parasitoid, Trichogramma chilonis against rice leaf folder. Different doses of T. chilonis, viz., 50,000, 75,000, 100,000, 125,000 and 150,000 parasitized eggs per hectare were tried and results revealed that among the different dosages, maximum control was achieved when 150,000 parasitized eggs per hectare were released. However, this treatment was found to be at par with 100,000 and 125,000 parasitized eggs per hectare.