Catalogue of infective tobacco diseases in Jilin province.

A general survey and systematic investigations were made from 1989 to 1992 in Jilin province tobacco areas, and 31 infective tobacco diseases were identified and diagnosed, Including 20 fungus diseases, 5 bacterial diseases, one nematode disease and 2 kinds of parasitic seed plant. Among them, 10 diseases were first found in Jilin province, one disease were first found in China, 4 diseases were first found in world.