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水稻优质米品种对黑粒病的抗性及其种子带菌量检测

Resistance to Black Kernel and Fungus Counts Carried by Seeds of the Rice Varieties with Top Quality

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【Author】 FANG Yu-sheng~1, HUANG Hua-lin~1, ZHANG Jian-guo~2, CHEN Yu-tuo~3,WU Yong-mei~3, HU Yao-han~4,KUANG Chao-ji~5 ( 1 College of Resources and Environmental Sciences, South China Agric. Univ., Guangzhong 510642, China; 2. College of Agronomy, South China Agric. Univ., Guangzhong 510642, China; 3. Plant Protection General Station, the Department of Agriculture, Guangdong Province, Guangzhou 510000, China; 4. Disease and Pest Prediction Station of Xinhui, Guangdong Province,Xinhui 529100, China; 5. Disease and Pest Prediction Station of Kaiping, Guangdong Province,Kaiping 529300, China )

【机构】华南农业大学资源环境学院；华南农业大学农学院；广东省农业厅植保总站；广东新会市病虫测报站；广东开平市病虫测报站广东广州510642；广东广州510642；广东广州510500；广东新会529100；广东开平529300；

【摘要】种子带菌量检验和田间小区接种诱发病害试验的结果表明:9个拟在广东省推广的水稻优质米品种的种子均携带了病原菌的分生孢子,但带菌量与品种的田间发病程度不呈正相关。参试品种中抗性最差为新软占,其次为新雪占,其它品种的抗性差异不显著。更多还原

【Abstract】 Fungus counts carried by rice seeds were inspected and the resistance of rice varieties to black kernel was examined by artificial inoculation in plots. Seeds of all 9 rice conventional varieties with top quality to be spread in Guangdong Province carried conidia of Curvularia lunata. But fungus counts carried by seeds did not correlate with the disease severe degree. The resistance of the variety Xinruanzhan to the disease was the weakest and that of the variety Xinxuezhan was stronger than the former. Except for Xinruanzhan, the resistance of other varieties had no significant difference.更多还原

【关键词】水稻品种；稻黑粒病；新月弯孢霉；种子带菌量；抗性鉴定；
【Key words】 rice variety； black kernel； Curvularia lunata； fungus count carried by seed； resistance identification；

【基金】广东省植物保护总站生物灾害调查与防治项目

【文献出处】云南农业大学学报 ,Journal of Yunnan Agricultural University , 编辑部邮箱 ,2004年06期

【分类号】S435.11
【被引频次】5
【下载频次】137

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