甘蔗新品种(系)苗期白条病人工接种抗性鉴定与评价

傅华英, 张婷, 彭文静, 段瑶瑶, 许哲昕, 林艺华, 高三基

Identification of resistance to leaf scald in newly released sugarcane varieties at seedling stage by artificial inoculation

FU Hua-Ying, ZHANG Ting, PENG Wen-Jing, DUAN Yao-Yao, XU Zhe-Xin, LIN Yi-Hua, GAO San-Ji

表1 甘蔗植株白条病发病严重度评判标准

Table 1 Disease severity of leaf scald in sugarcane

分级Grade 症状描述Symptom 0级 Score 0 无症状Asymptomatic 1级 Score 1 1-2条铅笔状白色条纹One or two white pencil lines 2级 Score 2 超过2条铅笔状白色条纹More than two white pencil lines 3级 Score 3 叶片变白或者黄化Chlorotic or yellowing leaf 4级 Score 4 叶片坏死Leaf necrosis 5级 Score 5 植株死亡Plant death