玉米种质资源抗腐霉茎腐病鉴定

杨洋,陈国康,郭成,张炜,孙素丽,王晓鸣,朱振东,段灿星

Identification of Maize Germplasm for Resistance to Pythium Stalk Rot

Yang YANG,Guo-Kang CHEN,Cheng GUO,Wei ZHANG,Su-Li SUN,Xiao-Ming WANG,Zhen-Dong ZHU,Can-Xing DUAN

表1 玉米对腐霉茎腐病抗性的发病级别及抗性划分

Table 1 Evaluation standard of the resistance to maize stalk rot

病情级别 Scale 发病株率 Disease rate (%) 抗性 Resistance 1 0-5.0 高抗 Highly resistant (HR) 3 5.1-10.0 抗 Resistant (R) 5 10.1-30.0 中抗 Moderately resistant (MR) 7 30.1-40.0 感 Susceptible (S) 9 40.1-100 高感 Highly susceptible (HS)