1.【植】根茎;砧木
2.根源,起源
1.a root or piece of root used as a stock in propagation by grafting
2.a source or origin of something
1.Scions of healthy young plants are grafted to seedlings, making sure the diameter of the scion matches that of the rootstock.
接穗健康年轻植物嫁接苗木，使一定直径的接穗火柴的砧木。
2.Propagation of rose is carried out in grafting generally. Using resistant rootstock is a good method for the control of this disease.
嫁接是月季繁殖的主要方法之一，筛选抗根癌病的砧木是防治该病害的一种很好的途径。
3.tall herb of eastern North America and Asia having blue berrylike fruit and a thick knotty rootstock formerly used medicinally.
北美东部和亚洲的高的药草，有兰色的象浆果似的果实和粗的多节的根茎，原来被用在医学上。
4.Shrubs evergreen, epiphytic, rarely terrestrial trees, usually with a swollen rootstock.
常绿灌木，附生的，很少陆生的乔木，通常具一种膨胀的根茎。
5.The xylem sap of bottle gourd No. 3 as rootstock was the best one to promote grafting seedling of cucumber to grow significantly.
华瓠杂3号做砧木的嫁接苗伤流液对黄瓜苗的生长有明显的促进作用；
6.especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem.
（植物学）特别是指叶子；位于植物或者茎的底部；特别是直接从根、根茎或者类似于根的茎上长出来。
7.On all but the most favorable soils, Delaware should be grafted on a phylloxera-resistant rootstock to ensure vigorous growth.
州，特拉华州应在嫁接根瘤蚜抗砧木，以确保强劲的增长。
8.perennial herb of northeastern United States having a thick knotted yellow rootstock and large rounded leaves.
一种产于美国东北部的多年生草本植物，地下茎厚，瘤状，黄色，叶大，圆形。
9.Any of several species of Iris having a fragrant rootstock, especially a variety of the hybrid Iris germanica.
鸢尾科植物一种鸢尾种类植物，有芳香的根状茎，尤指德国鸢尾的杂交变种
10.Stems arising from rootstock or persistent basal part of flowering stems, simple, glabrous, rarely pubescent.
宿存基部花茎深裂，单的茎生于根茎或，，很少短柔毛。