基于田间表型和Bru1基因检测分析甘蔗褐锈病抗性遗传
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李竹, 许莉萍, 苏亚春, 吴期滨, 成伟, 孙婷婷, 高世武
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Analysis of Brown Rust Resistance Inheritance Based on Field Phenotypes and Detection of Bru1 Gene in Sugarcane
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Zhu LI, Li-Ping XU, Ya-Chun SU, Qi-Bin WU, Wei CHENG, Ting-Ting SUN, Shi-Wu GAO
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| 表2 甘蔗杂交亲本及其分离群体的褐锈病抗性、Bru1基因及发病率鉴定结果 |
| Table 2 Identification results of brown rust resistance, Bru1 gene and incidence rate in sugarcane crossing parents and their segregation population |
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杂交组合
Hybrid combination
(♀ × ♂) | 母本抗性等级/ Bru1检出结果
Resistance rank for female parent/ detected Bru1 | 父本抗性等级/ Bru1检出结果
Resistance rank for male parent/ detected Bru1 | 分离群体在发病盛期的
褐锈病发生率
Incidence rate in segregation population at the peak (%) | ROC251) × 柳城03-11372)
ROC25 × Liucheng 03-1137 | 高抗/ Y
High resistance/ Y | 感病2/ N
Susceptibility 2/ N | 39.0 | ROC25 × 粤糖84-31)
ROC25 × Yuetang 84-3 | 高抗/ Y
High resistance/ Y | 高感2/ N
High susceptibility 2/ N | 54.3 | | CP94-11001)× ROC25 | 感病1/ N
Susceptibility 1/ N | 高抗/ Y
High resistance/ Y | 28.4 | CP84-11981) × 云蔗89-71)
CP84-1198 × Yunzhe 89-7 | 高抗/ N
High resistance/ N | 高抗/ N
High resistance/ N | 13.0 |
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