下图为种子发育过程和种子萌发过程中内源激素、种子含水量以及营

下图为种子发育过程和种子萌发过程中内源激素、种子含水量以及营养物质积累量的变化,据图分析,在种子发育过程中有关植物激素的作用正确的是(  )

A.首先出现的是CK,其主要作用是促进细胞分裂和组织分化

B.其次增加的是GAIAA,参与有机物向子粒的运输与积累

CABA促进种子贮藏蛋白的基因表达,并促进种子的脱水干燥,有利于种子的萌发

D.在植物生长发育过程中激素调节的特点是多种激素相互协调、共同调节

答案

C

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