This paper has studied the relation of the leaf dropping with orange yield and three kinds of orange disease's influence upon leaf dropping, leaf mineral nutrition and fruit-content composition.
本文研究了柑桔叶片脱落与产量的关系及三种柑桔病害对叶片脱落、叶片矿物质营养和果实内含物的影响。
Experimental results showed that gene expression control at the transcriptional level was a key regulation for determining composition and content of carotenoids in ripe fruit.
研究表明，番茄发育过程中对基因转录水平进行的调控是决定类胡萝卜素构成和含量的主要手段，但转录后调控和产物反馈抑制也不容忽视。
Regulating fruit sugar content and composition for improvement of fruit quality by molecular biology is one of the focuses in recent years.
采用分子生物学手段调控果实糖含量及成分、改良果实品质是近年来研究的热点之一。
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