影响苹果树腐烂病菌侵染致病的流行因子

林晓,孙传茹,王彩霞,练森,董向丽,李保华

Epidemic Factors Affecting the Infection and Occurrence of Valsa mali

LIN Xiao,SUN ChuanRu,WANG CaiXia,LIAN Sen,DONG XiangLi,LI BaoHua

表3 富士苹果一年生枝条不同段位经浸水冰冻处理后再接种腐烂病菌的发病率

Table 3 Disease incidence with standard deviations of inoculation sites with mycelium cakes of V. mali on different parts of Fuji apple branches frozen for 24 h at 3 temperatures (%)

温度 Temperature (℃) 梢部 Tip 中部 Middle 基部 Base 均值 Mean -25 45.3±44.4 20.0±22.7 9.3±10.3 24.9±32.5a -7 17.3±14.9 9.3±12.8 6.7±9.8 11.1±13.2b 0 9.3±10.3 9.3±12.8 5.3±11.9 8.0±11.6b 均值Mean 24.0±31.2A 12.9±17.1B 7.1±10.6B 11.9±18.2