英语语法分析

The central part of the floret primordium changes directly into gynoecium.

雌蕊原基由小花原基的中央部分直接发育而成。

The promeristem in the shoot apex consists of tunica, corpus and leaf primordium.

苗端的原分生组织由原套、原体和叶原基组成。

The content of ABA is relatively low and incrases slightly in flower primordium formation.

ABA在诱导期含量也较低，而在形态分化期保持相对较高水平。