关键词: 苹果[49EL], 植物病害[49LB], 褐斑病[49LB], 苹果褐斑病, 附生微生物, 苹果叶部, 抗感病品种

Abstract: The authors analysed the epiphytic microfiora of apple leaf surface in the same conditions with infected and unfected leaves to apple bloth, The results showed that the quantities and populations of the epiphytic microorganisms related to the apple varieties, to the infected and unfected leaves in the same variety. Among the growing period, miorobial populations were diffenent. The main group of the fungi included Cladosprium,Alternaria, Penicillium; The main group of the bacterium include Bacillius, Psendomonas, Xanthomonas;The main group of the yeasts included Aureobasidium, Cryptoccaceae;The actinomyces were Streptomyces. And the microbal populations were low ebb in the prosperous flower period, afterwards, It increased genetarlly.

Key words: BROWN SPOT OF APPLE, EPIPHYTIC MICROFIORA, LEAF OF APPLE, APPLE VARIETIES