黑果病分布于我国棉产区 ,多危害棉铃。近几年来在华东、华南、华中的油、李果实上发生较普遍 ,常引起黑果。影响果实外观 ,降低果品质。1　为害状　洁白的果粉是果色泽的固有标志 ,受黑果病的为害 ,油果面布满烟煤引起黑果。选成着色不佳 ,使果失去商品竞争力与经济 Black fruit disease is distributed in cotton production areas in our country, and more endangered cotton bolls. In recent years in East China, South China, Central China’s oil, Li fruit actually occur more commonly, often cause black fruit. Affect the appearance of fruits, reduce fruit quality. 1 harm-like white fruit powder is the inherent symbol of mangosteen color, the damage caused by the black fruit disease, fruit oil surface covered with bituminous coal caused by black fruit. Selected into a poor color, so that loss of goods Mangosteen competitiveness and economy