植物生长激素

1:(b)脱落酸,2:(a)分生区,3:(c)成熟区,4:(b)伸长阶段,5:香菜(d), 6:生长素(c), 7: (b)节间伸长,8:(一)营养动员,9:(b)乙烯,10:乙烯(c)