The key periods are seedling and fruit-formation period.
关键期是胡麻苗期和蒴果形成阶段。
This paper studied the effects of bagging during the period from young fruit formation to fruit coloration on the contents of pigment, sugar and endogenous hormone in Cara Cara orange flesh.
以红肉脐橙为试材，研究幼果期套袋至果实着色前拆袋对果肉中色素、糖及内源激素的影响。
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