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当前位置: 首页 > 文章 > 水稻种质资源芽期耐冷性的鉴定与评价 植物遗传资源学报 2004,5 (4) 346-350
Position: Home > Articles > Characterization and Evaluation for Cold Tolerance at the Budburst Period of Rice Germplasm Journal of Plant Genetic Resources 2004,5 (4) 346-350

水稻种质资源芽期耐冷性的鉴定与评价

作  者：
韩龙植;曹桂兰;安永平;张媛媛;阮仁超;张艳蕊;曲英萍
单  位：
中国农业科学院作物品种资源研究所
关键词：
水稻种质资源;芽期耐冷性;鉴定;评价
摘  要：
对新收集的 879份水稻种质资源进行了水稻芽期耐冷性的鉴定与评价 ,从中筛选出芽期耐冷性极强的水稻种质资源 39份 ,均为贵州地方粳稻品种。供试粳稻品种 6 1 2 3%具有强芽期耐冷性 (3级 ) ,而籼稻品种只有 13 77%具有强芽期耐冷性 (3级 ) ,粳稻品种的芽期耐冷性显著强于籼稻品种。无论籼稻 ,还是粳稻 ,贵州地方稻种的芽期耐冷性显著强于来自其他地区的品种 ,从贵州地方稻种中挖掘极强耐冷种质资源的潜力较大。
译  名：
Characterization and Evaluation for Cold Tolerance at the Budburst Period of Rice Germplasm
作  者：
HAN Long-zhi1, CAO Gui-lan1, AN Yong-ping 1,2, ZHANG Yuan-yuan1 RUAN Ren-chao 1,3, ZHANG Yan-rui1, QU Ying-ping1 (1 Institute of Crop Germplasm Resources, Chinese Academy of Agricultural Sciences, Beijing 100081; 2 Crop Research Institute,Ningxia Academy of Agriculture and Forestry Sciences,Yinchuan 750105; 3 Rice Institute,Guizhou Academy of Agriculrural Sciences,Guiyang 550006)
关键词：
Rice germplasm resources; Cold tolerance at the budburst period; Characterization; Evaluation
摘  要：
Cold tolerance at the budburst period (CTBP) for 879 accession of rice were evaluated. The 39 rice varieties with very strong CTBP (grade 1) were selected, and all of which were traditional japonica rice from Guizhou province. 61 23% of evaluated japonica rice varieties have strong CTBP (grade 3), while 13 77% of evaluated indica rice varieties have strong CTBP (grade 3). CTBP of japonica rice was significantly stronger than indica rice. The CTBP of landraces from Guizhou province, either indica rice or japonica rice was significantly stronger than rice varieties from other areas. It is of larger potential to select excellent varieties with very strong cold tolerance.

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