abscisic acid
工业科技

        A PLANT HORMONEonce thought to be responsible for theshedding (abscission)of flowers and fruitand 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-prived o......（本文共 300 字）     [阅读本文] >>