Results The secondary structure of the roots of Taxus chinensis var. mairei consisted of the periderm and vascular cylinder(stele). Axial and radial systems formed the secondary xylem of the roots.
结果南方红豆杉根的次生结构由周皮和维管系统组成，次生木质部由轴向系统和径向系统两部分构成。
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。
It had secondary structure and the secondary protective tissue was periderm.
具有次生结构，次生保护组织为周皮。
Results and Conclusion The secondary structure of the stem of Uvaria microcarpa consisted of the periderm, cortex and vascular cylinder.
结果与结论紫玉盘的茎次生构造由周皮、皮层及维管组织组成；
Results and Conclusion The secondary structure of the stem of Uvaria microcarpa consisted of the periderm, cortex and vascular cylinder.
结果与结论紫玉盘的茎次生构造由周皮、皮层及维管组织组成；
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