常見例句雙語例句Quick wilting of tobacco seedling was resulted from cultured filtrates by seedling root-soaking. Wilting symptom appeared and leaf margin dried-up.用病菌培養(yǎng)濾液對幼苗浸根可使菸草幼苗葉片快速萎蔫，葉緣乾縮。Mesophyll cell of leaf epidermis can single split into group meristematic cell, then more differentiation make it developed into adventitious bud on leaf margin.葉緣直接産生的不定芽主要由葉片表皮下葉肉細胞單獨分裂形成分生組織細胞團，竝進一步分化從而發(fā)育而成。This species shows great variability in stem branching, leaf shape, leaf margin , and peduncle length.本種在莖的分枝，葉形，葉緣，和花序梗長度方麪顯示了巨大變化性。 返回 leaf margin