The effects of low temperature stress on photosynthesis and chlorophyll fluorescence parameters in leaves of own-rooted and grafted Watermelon Seedling have been studied.

研究低温胁迫下自根及两种嫁接幼苗叶片光合作用及叶绿素荧光参数的变化。

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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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Now part of this conviction is rooted in my own experience.

这种信念一部分来源于我个人的经历。

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Yet a part of Newton was always rooted in rural Lincolnshire, watching nature and making his own tools to measure it, like any self-sufficient farmer's lad.

ECONOMIST: Isaac Newton