知识贝壳
知识贝壳
所属栏目：英汉双解生物学
A plant hormone,firstisolated from sycamore,that functions chieflyas a growth inhibitor. It promotes abscission(shedding) of flowers and fruits,induces dor-mancy of buds and seeds,and causes closureof leaf pores (stomata). Formerly it was knownas abscisin ......（本文共 316 字 ） [阅读本文]>>