知识贝壳
知识贝壳
所属栏目：英汉双解生物化学
A PLANT HOR-MONE once thought to be responsible forthe shedding (abscission) of flowers andfruit and for the onset of dormancy in buds(hence its early name,dormin). The com-pound is associated with the closing ofpores (stoma) in the leaves of plants de-pr ......（本文共 320 字 , 1 张图） [阅读本文] >>