以自根苗为对照，研究了不同砧木对嫁接苗耐冷性的影响及生理机制。

Compared with own-rooted watermelon, the influence of different rootstocks on chilling tolerance of grafted watermelon seedlings and its physiological mechanisms were studied.

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昆明小白谷耐冷性是受主效基因支配，冷驯化是水稻微效耐冷基因累积获得穗期耐冷性的途径之一。

A major gene was found to control cold tolerance in Kunming Xiaobaigu. Cold acclimation is presumed to be one of the approaches by which rice genotypes may acquire cold tolerance at the booting stage.

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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.

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