Camellia gray spot disease is one of the normal diseases that infect camellia,resulting in dry rot of leaves and tips.Light infection impacts the appreciation of a plant;serious infection may lead to the death of the whole plant.Therefore,such disease has become a major obstacle of production and development of camellia.Currently,there are many studies on microflora of plants,but rarely any research reports on camellia microflora.This thesis is to take the camellia leaves as the object of study,prel...