梨黑星病俗称“霉病”,是我省梨产区的一种主要病害,每年都有发生,为害较重.病害症状:本病在芽鳞、枝梢、叶片和果实(包括果柄和花柄)上均有发生.病部产生黑色霉层是本病的主要特征.叶片发病,在叶背面沿叶脉发生圆形或不规则形病斑,以后长出黑霉.严重时病叶变为红褐色而枯 Pear scytacre is commonly known as “mold disease” and is a major disease in the pear-producing area in our province and occurs annually, causing serious damage. Symptoms of disease: The disease occurs in bud scales, shoots, leaves and fruits And flower stalk) have occurred on the Department of black mold layer is the main feature of the disease leaves the incidence of leaves along the veins along the circular vein or irregular shaped lesions, later grow black mold serious disease leaves Into reddish brown and withered