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。
2
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.
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.