The expression pattern and mutant phenotype suggest that the PLA1 gene acting in developing leaf primordia affects the timing of successive leafinitiation and the termination of vegetative growth.
The initiation of the secretory cavities in the leaf is basipetalous.
叶片中分泌囊的发生是向基性的。
3
Experiments demonstrate that leaf spring crack results from rust spot as fatigue crack initiation, and in order to improve spring life it must be to improve coating quality.