spike leaf的意思|示意

This result incdicated that the size of flag leaf affected the grain weight per spike, and it was successful to increase the size of flag leaf and the grain weight per spike in our wheat breeding.

由此可见，旗叶大小对穗粒重有着显著正向效应，因此在育种栽培过程中，注意增加旗叶面积对提高穗粒重是有益的。

This paper deals with the relationships between the young spike differentiation of different ecotypes of wheat at different sowing date in spring and leaf emergence.

研究了不同生态型小麦在春季分期播种条件下的幼穗分化进程与叶片出生的关系。

The dry weights of root, stem, leaf and spike coubld be described as S curves either.

荆芥株高、茎径变化动态，根、茎、叶、穗干重积累动态均呈不同特征的“S”形曲线。