② 观赏植物的花芽形态分化与发育：在芽轴上，肉眼可以认出花或花序原基时称花的发端(floral initiation)，其标志着花芽形态分化的开始。判断花的发端一般以生长点的外部形态变化为主要依据。
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floral initiation phase 花芽孕育期
floral initiation stage 花原始体形成期
floral initiation in citrus trees 柑桔花芽分化
floral initiation and differentiation 花芽分化
initiation of floral organ 花器官的发生
There are two types of stem growth habit and floral initiation in soybean.
大豆茎生长习性和花的发生有两种类型。
The contents of DNA and RNA went up in the middle period of floral initiation, which obviously promoted physiological flower bud differentiation.
花芽孕育期中期DNA和RNA含量的升高对于花芽生理分化有明显的促进作用。
The effect of controlling biological and biochemical characters upon young Chinese gooseberry trees was studied using growth inhibitors for controlling floral initiation.
研究了几种生长抑制剂对猕猴桃幼旺树成花的生物学效应和生物化学效应。
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