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1 8月份用腐烂病菌分生孢子喷雾接种富士苹果树次年3月各枝位的带菌率

Table 1 Percentages of bark tissues carried pathogen sampled from different positions of the Fuji apple trees inoculated by spraying conidia suspension of V. mali

枝位 Position 带菌组织 Tissues carried pathogen (30 samples) 带菌率 Percentage of carried pathogen (%) 叉丫Fork 26 86.7 枯死枝Dead twig 27 90.0 果苔枝Fruit moss branch 28 93.3 隐芽Lateral bud 26 86.7 伤口Wound 27 90.0 多年生枝条皮孔 Lenticel on more than 1-year-old branch 27 90.0 一年生枝条皮孔Lenticel on 1-year-old branch 28 93.3 合计 Summary 189 90.0