辽西地区是辽宁省的主要梨产区,梨黑星病是该地区梨树上的主要病害,历年发病轻重不同。我们在绥中县黄家、前卫、高甸子乡选3个易发病梨园,自1985年开始,每年于5月中下旬调查不同品种梨树上的病芽梢出现情况,秋季采收期调查果实和叶片发病情况,观察病芽梢与叶片、果实的发病关系。该地区梨黑星病于1985—1986年发生 Liaoxi is the main pear producing area in Liaoning Province. Pear scab is the main disease on the pear tree in the area, with different severity over the years. We are in Suizhong County Huang, avant-garde, Gao Dianzi Township election three pear orchard, since 1985, each year in late May to investigate the different varieties of pear shoots on the emergence of the disease, the autumn harvest of the survey fruits And the incidence of leaves, the observed shoots and leaves, the relationship between the incidence of fruit. Pear scab in the area occurred in 1985-1986