| 湖北省水稻纹枯病菌菌丝融合群鉴定 |
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| 引用本文： | 李祥,侯明生.湖北省水稻纹枯病菌菌丝融合群鉴定[J].华中农业大学学报,1993,12(1):14-17. |
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| 作者姓名： | 李祥 侯明生 |
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| 作者单位： | 华中农业大学植保系，华中农业大学植保系，华中农业大学植保系 武汉 430070，武汉 430070，武汉 430070 |
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| 摘 要： | 用采自湖北省44个县、市的62个水稻纹枯病菌菌株与Rhizoctonia solani的菌丝融合群国际标准株AG-1IA、AG-1IB、AG-1IC、AG-4和AG-5进行了菌丝融合试验。结果证明,供试的62个菌株均能与AG-1IA株融合,其中有60株也能与AG-1IC株融合。比较而言,供试株与AG-1IA的融合率高于与AG-1IC的融合率。据此,供试菌株应归于R.Solani AG-1IA。
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| 关 键 词： | 水稻 纹枯病菌 菌丝融合群 |
IDENTIFICATION OF ANASTOMOSIS GROUPS OF PATHOGENS ON SHEATH BLIGHT OF RICE (Rhizoctonia solani) IN HUBEI PROVINCE |
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| Li Xiang Hou Mingsheng Hu Hanqiao.IDENTIFICATION OF ANASTOMOSIS GROUPS OF PATHOGENS ON SHEATH BLIGHT OF RICE (Rhizoctonia solani) IN HUBEI PROVINCE[J].Journal of Huazhong Agricultural University,1993,12(1):14-17. |
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| Authors: | Li Xiang Hou Mingsheng Hu Hanqiao |
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| Abstract: | Sixty-two isolates from the diseased tissues of sheath blight of rice from forty-four counties in Hubei Province were tested on hyphal fusion with five international standard strains of anastomosis and intraspecific groups of Rhizoctonia solani Kuhn, Ag-1IA, AG-1IB, AG-1IC, AG-4 and AG-5. The results showed that all these isolates caused characterisitie symptoms of sheath blight of rice which belong to R. solani AG-1. But we discovered that these isolates only anastomosis with AG-1IA and AG-1IC among AG-1. However the hyphae fusion between these isolates with AG-1IC have more imperfect fusions than those with AG-1IA. Additionally. there are two isolates (SZ89-01 and XF90-01) which did not fues with AG-1IC. All these suggestcd that all of the tested isolates belong to group of R. solani AG-1IA. |
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| Keywords: | paddy rice pathogens of sheath blight of rice anastomosis group |
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