基于田间表型和Bru1基因检测分析甘蔗褐锈病抗性遗传

李竹, 许莉萍, 苏亚春, 吴期滨, 成伟, 孙婷婷, 高世武

Analysis of Brown Rust Resistance Inheritance Based on Field Phenotypes and Detection of Bru1 Gene in Sugarcane

Zhu LI, Li-Ping XU, Ya-Chun SU, Qi-Bin WU, Wei CHENG, Ting-Ting SUN, Shi-Wu GAO

表3 4个杂交组合分离群体的田间抗性表现与Bru1基因检出情况

Table 3 Brown rust resistance and detection of Bru1 in segregation population derived from four sugarcane hybrid combinations

杂交组合 Hybrid combination 样品数 Sample number 发病盛期田间调查 Field investigation at epidemic peak stage 发病末期田间调查 Field investigation at epidemic late stage 未发病率 Uninfected rate (%) Bru1检出率 Bru1 detected rate (%) R12H16和9O20-F4标记检出一致性DCR9MP 未发病率 Uninfected rate (%) Bru1检出率 Bru1 detected rate (%) R12H16和9O20-F4标记检出一致性DCR9M ROC25×柳城03-1137 ROC25×Liucheng 03-1137 15 0 0 一致Consistent 0 0 一致Consistent 15 100.0 100.0 一致Consistent 86.7 100.0 一致Consistent ROC25×粤糖84-3 ROC25×Yuetang 84-3 15 0 13.3 一致Consistent 13.3 13.3 一致Consistent 15 100.0 100.0 一致Consistent 60.0 100.0 一致Consistent CP94-1100×ROC25 15 0 0 一致Consistent 6.7 0 一致Consistent 15 100.0 80.0 一致Consistent 93.3 80.0 一致Consistent CP84-1198×云蔗89-7 CP84-1198×Yunzhe 89-7 15 0 0 一致Consistent 0 0 一致Consistent 15 100.0 0 一致Consistent 93.3 0 一致Consistent