The main results as follows:1 . studies on chilling tolerance:(1) Different temperature has effect on seed germination was studied.
具体研究结果摘要如下： 1、耐冷性研究： (1)不同温度对甜瓜种子发芽力有影响。
参考来源 - 甜瓜耐冷（湿）性鉴定指标及耐冷（湿）性材料的筛选The relationship between the chilling tolerance of maize seedlings and changes of polyamines in seedlings under chilling stress were studied.
研究了低温胁迫下，玉米幼苗体内多胺含量变化与幼苗耐寒性的关系。
参考来源 - 玉米种胚和幼苗内多胺调控与耐寒性的关系·2,447,543篇论文数据，部分数据来源于NoteExpress
Improvement of chilling tolerance in rice may significantly increase rice production.
提高水稻的耐冷性将极大的提高水稻的产量。
According to the above results, we advanced that all the above characters should be taken as improving targets of chilling tolerance breeding in maize.
根据以上结果提出，上列性状都应作为玉米耐冷性育种的改良目标。
Compared with own-rooted watermelon, the influence of different rootstocks on chilling tolerance of grafted watermelon seedlings and its physiological mechanisms were studied.
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。
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