苗期耐冷性是影响水稻生长发育的重要因素之一。
Cold tolerance at the seedling stage are one of important factors affecting the development of growth in rice.
就我国水稻苗期耐冷性的鉴定与评价、遗传、分子标记和育种与选择效应等方面的研究进展进行了阐述。
Advances in identification and remark, inheritance, molecular marker breeding and selective effect of tolerance to cold of rice at seedling stage in China are reviewed.
提出了室内芽苗期鉴定和高原异地自然生境下穗期鉴定相结合的耐冷性鉴定评价指标和方法。
Identification and evaluation both at lab during bud or seedling stage and in high natural altitude sites at heading stage could be regarded as one of effective approaches in Guizhou.
对已筛选出的苗期特耐冷的贵州地方水稻品种进行了开花期耐冷性鉴定，同时测定了在冷处理条件下其生理生化特性的变化。
The cold tolerance and the physiological change under low-temperature of selected Guizhou local cold-tolerant rice varieties during their flowering stage were identified.
从相关分析看，苗期可溶性蛋白、脯氨酸和MDA含量与品种的耐冷性相关性显著或极显著。
Through correlation analysis, soluble protein, praline and MDA content were significantly correlated with their cold tolerance in seeding stage.
在苗期筛选出了叶龄、MDA两个耐冷性鉴定指标，在开花期筛选出了光合速率和SOD活性两个耐冷性鉴定指标。
Screened leaf age and MDA content identification indexes of cold tolerance in seeding stage, photosynthetic rate and SOD activity were screened in flowering stage.
在苗期筛选出了叶龄、MDA两个耐冷性鉴定指标，在开花期筛选出了光合速率和SOD活性两个耐冷性鉴定指标。
Screened leaf age and MDA content identification indexes of cold tolerance in seeding stage, photosynthetic rate and SOD activity were screened in flowering stage.
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