abscission
基礎(chǔ)科學(xué)

        The organized loss of part of aplant,usually a leaf,fruit,or unfertilizedflower. An abscission zone occurs at the baseof the organ. Here a separation layer (ab-scission layer) is formed by breakdown orseparation of cells and final severance occurswhen the......（本文共 353 字）     [閱讀本文] >>