【摘要】 对15个月季引进品种进行黑斑病发病情况的观测,分析不同月季品种抗黑斑病的差异,筛选出抗黑斑病强的品种。结果表明:6月份为月季黑斑病发病初期,10月份达到高峰;通过月季抗黑斑病的鉴定,15个品种中1个为高抗品种(HR),1个为中抗品种(MR),2个为低抗品种(LR),6个为感病品种(CS),5个为严重感病品种(SS)。更多还原

【Abstract】 Through observing the black-spot disease situation of fifteen Chinese rose varieties,this article analyzed the difference among distinct varieties and selected outstanding ones.The results indicated the black spot disease occured in June and became most serious in October;in the fifteen Chinese rose varieties,one was high resistance variety,one was moderate resistance variety,two were low resistance ones,six were commonly sensitive ones,five were serious sensitive ones.更多还原