Abstract

The results are reported of laboratory tests carried out on the potential effectiveness in biological control of viral, fungal and bacterial pathogens isolated from pests of teak (Tectona grandis) and Ailanthus triphysa in Kerala. The teak pests studied were the teak defoliator Hyblaea puera and the teak sapling borer Sahyadrassus malabaricus, and the pests of A. triphysa were the yellow hairy caterpillar Eligma narcissus and the shoot webber Atteva fabriciella