病情级别
Rating scale | 抗性评价
Resistance evaluation | 病害症状描述
Description of disease symptom | | 1 | 高抗HR | 叶片上有少量褪绿的小斑点,占叶面积5%以下,病斑上无分生孢子盘
Small amount of chlorotic flecks on the inoculated leaves, but no acervuli. Lesions covering is less than 5% | | 3 | 抗R | 叶片上有少量病斑,占叶面积的5.1%—20%,病斑上有零星分生孢子盘
Small amount of circular to oval spots and acervuli development, lesions covering is 5.1%-20% | | 5 | 中抗MR | 叶片上病斑较多,占叶面积20.1%—40%,病斑上有分生孢子盘
Abundant circular to oval spots on inoculated leaves and black acervuli development, lesions covering is 20.1%- 40% | | 7 | 感S | 叶片上病斑相连,占叶面积40.1%—70%,病斑上有分生孢子盘
Leaf area covered with coalescing lesions with black acervuli, lesions covering is 40.1%-70% | | 9 | 高感HS | 叶片由病斑覆盖,占叶面积70.1%以上,病斑上有分生孢子盘,整株叶片近于枯死
Lesions join to cover a large proportion of the leaf surface with abundant black acervuli. The whole plants were near death. Lesions covering is more than 70.1% |
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