2002 关键词：黄瓜幼苗；嫁接；低温胁迫；保护酶活性 [gap=1032]Key words： cucumber seedlings; grafting; chilling strees; protective enzyme activity
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番茄黄瓜幼苗 seedlings of tomato and cucumber
Experiment result indicated that the content of chlorophyll，photosynthesis，rate of transpiration of young cucumber seedling under low temperature condition could keep higher level. Cell membrane was hurt slightly by low temperature.
试验表明，低温条件下黄瓜幼苗期叶片中叶绿素含量、叶片的光合速率、蒸腾强度均能保持较高的水平，对低温不敏感，有一定的适应能力，细胞膜受低温伤害较轻，膜脂过氧化程度较低，膜脂过氧化产物丙二醛(MDA)含量较低，电解质渗漏率较小；渗透调节物质可溶性糖、脯氨酸含量大幅度提高，增强了细胞的渗透调节能力，增加了植物组织束缚水的含量，由于增强了持水力，降低了冰点，从而提高了植株的抗冷性。
参考来源 - 黄瓜不同发育时期抗冷特性的研究—《湖北农业科学》—2008年第5期—龙源期刊网The inhibitory effects of 1 and 2 mmol·L-1 LaCl3 were mainly on the growth rate, oxygen evolution, and complete rate of chloroplast of cucumber seedling.
1和2 mmol·L~(-1) LaCl3处理黄瓜后,对黄瓜幼苗抑制作用表现在对其生长率,光合放氧活性和叶绿体完整率的抑制。
参考来源 - 蕨类植物铁芒萁（Dicranopteris dichotoma）体内稀土元素的分布及其光合特性的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
不同硝酸盐处理下的黄瓜幼苗对其响应也有所不同。
There were different responses on cucumber seedlings under different nitrate treatments.
研究了PP333对黄瓜幼苗素质和抗冷能力的影响。
The effect of PP333 on seedling quality and chilling resistance of cucumber were investigated.
研究结果表明，不同基质对黄瓜幼苗生长的影响有显著差异。
The results show that different compound media has significant effects on the growth of seedling .
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