物质在被子植物体内的运输机制及途径探析

摘要

研究表明,被子植物体内的物质运输系统包括木质部和韧皮部,其中无机物在木质部中进行向上的单向运输,而有机物则由韧皮部向上向下双向运输且优先向植物的生长中心运输,同时可进行纵向和横向同侧就近运输.%It was indicated in the research that the transportation system of matter in Angiosperma inchuded xylem and phloem.And the inorganic matter was transported upward in uniport in xylem and the organic matter was transported upward and downward in bidirectional translocation form phloem and the organic centre of plant was prior aim for this bidircional translocation . Simultaneously,the lognitudinal and trans verse ipsilateral transports in neighbourhood were possible organic matter.