Morphology and invitro study of chemicals, plant extracts, bio-agents against Pestalotiopsis mangiferae, causing grey leaf spot of mango in Manipur, India

A study was conducted in vitro condition to analyse the morphology and efficacy of bio agent, plant extract and some chemical against P. mangiferae that were collected from different districts of Manipur. The morphological character under study consists of colony and conidial characteristics such as colour, shape, size and appendages. The cultural growth colour of P. mangiferae on PDA differed from concolour to versicolour fuliginous. The conidial shape varied from oval and spherical to elliptical with prominent appendages.