| 生物间遗传学在水稻品种与稻瘟病菌相互作用研究中的应用 |
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| 引用本文： | 何月秋,黄瑞荣,彭志平,文艳华,曾小萍,邓敏军.生物间遗传学在水稻品种与稻瘟病菌相互作用研究中的应用[J].植物病理学报,1988,18(1):51-55. |
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| 作者姓名： | 何月秋 黄瑞荣 彭志平 文艳华 曾小萍 邓敏军 |
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| 作者单位： | 江南省农业科学院植物保护研究所 |
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| 摘 要： | 苗期鉴定了鉴别品种和33个品种对59个菌株的反应。用生物间遗传学的方法,探讨了稻瘟病菌致病力的变异和品种的抗病性及抗病品种的利用价值。结果表明,同一生理小种对鉴别品种以外的品种的致病力不完全一致,回接21个菌株有8个(38.9%)不能使来源品种感病;测定品种对多菌种反应的毒力频率比测定抗小种数更有意义。当家品种汕优63、汕优64,红突31等毒力频率均低于0.3,抗性较好。
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APPLICATION OF INTERORGANISMAL GENETICS IN INTERACTIONS BETWEEN RICE VARIETIES AND PYRICULARIA ORYZAE CAV |
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| He Yueqiu,Huang Ruirong,Peng Zhiping,Wen Yanhua,Zeng Xiaoping,Deng Minjun.APPLICATION OF INTERORGANISMAL GENETICS IN INTERACTIONS BETWEEN RICE VARIETIES AND PYRICULARIA ORYZAE CAV[J].Acta Phytopathologica Sinica,1988,18(1):51-55. |
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| Authors: | He Yueqiu Huang Ruirong Peng Zhiping Wen Yanhua Zeng Xiaoping Deng Minjun |
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| Institution: | Institute of Plant Protection, Jiangxi Academy of Agricultural Sciences |
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| Abstract: | The interactions between 59 isolates of Pyricularia oryzae Cav.and 33 varieties of rice,inculding 7 differentials and 26 cultivars,were investigated during seedling stage according to the national unified method used to identify the races of P.oryzae.The variability of virulence of the fungus,the resistance of the cultivars and the value of the resistantones were studied and evaluated by the methods used in interorganismal genetics.The results showed that the pathogenicity of various isolates from the same rice is different on the cultivars except the differential ones.8 isolates among the 21 ones inoculated back to their original susceptible cultivars becomes no more virulent.The test of virulent frequency (VF) for cultivars to react with a greatnumber of the isolates shows more significant than test depending on number of the races.Among commercial cultivars,Shanyou 63,Shanyou 64 and Hongtu 31 are more resistant to rice blast and their VFs are not more than 0.3. |
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