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1·Wild rice stem belongs to herb of marsh of gramineous vivacious perennial root.

茭白属于禾本科多年生宿根沼泽草本植物。

2·The 18 varieties showed vigorous growth, strong (disease) -resistance, adverse-resistance and good perennial root.

这18个品种是生长势旺、抗病虫性较强、抗逆性强、宿根性较好的高产高糖品种。

3·Meanwhile, regarding the problem of coaxing plants to allocate more carbon to their root systems, Jansson says an important difference between perennial and annual plants is a good place to start.

同时，问题是可考虑哄骗植物分配更多的碳到根系，简颂指出多年生和一年生植物间的关键差异是一个良好的起动点。

4·The host plants were ornamental plants, perennial/biennial root garden plants, woody flower plants, cover plants and pulpy plants, and so on.

为害的寄主植物有观赏树木、宿根园林植物、木本花卉植物、地被植物及多浆植物等。

5·The survival rate of the biennial branch is the highest, especially the biennial taking root powder (49.1%), it is about 15% higher than the annual and perennial one.

二年生的枝条的成活率最高，尤其以二年生的生根粉的效果最好，为49.1%，比一年生和多年生的要高出15%左右。

6·Adonis amurensis is perennial herb, Its roots are nearly primary structure in the whole life, Primary Xylems of main root and lateral roots of one year seedling are diarch.

冰凉花属于宿根植物，其根几乎终生为初生结构。一年生苗直根系的主根和侧根的初生木质部均为二原型。