the phellem of periderm and special morphological structure of sweet potato 「lushu 780」 and 「shengli 00」 play the role of a barrier to the spread and invasion of nematodes.
甘薯品种「鲁薯780」和「胜利百号」的周皮木栓层和一些特殊形态结构是阻止该线虫侵入和扩展的屏障。
abundant protein of the plant is formed the very strong antifreeze material basis. the phellem is very expand in the secondary structure of the root.
植物体内丰富的蛋白质构成了其较强抗冻能力的物质基础。
we see phellem below microscope, it is by by tens of thousands be just as alveolate to do cellular composition, air was filled inside the cell, formed many a airtight gasbag.
我们在显微镜下看软木组织,它是由成千上万个如同蜂窝状的干细胞组成,细胞内布满了空气,形成了一个一个的密闭气囊。
configuration feature: for lofty deciduous leaf arbor, the bark of grown tree has the phellem layer that develop.
形态特征:为高大的落叶乔木,成年树的树皮有发达的木栓层。
objective: to study the shape and micro-character of euonymus alatus with phellem wing as drug, it supplied the bases for identifying the euonymus alatus.
目的:对以木栓翅入药的鬼箭羽的形态和显微特征进行研究,为鬼箭羽的鑒别提供依据。