显微镜观察表明在烟草发根的维管束中柱鞘细胞、水稻根皮层细胞内和细胞间隙有根瘤菌存在。
The observation under microscope showed that the rhizobia were present in percycle cells of vascular system of the tobacco hairy roots and in cortex cells and intercellular spaces of rice roots.
对T 2代双突变体植株表型初步观察显示，植株有明显矮化现象，但维管束和叶毛的发育基本正常。
Primary observation to T2-generation showed that double mutant plant had obvious dwarf phenotype, but had no defect in leaf trichome and vasculature.
据统计，松山记录到的野生维管束植物有713种，野生脊椎动物216种。
According to the statistics, in the record of Songshan, there are 713 kinds of wild vascular plants and 216 kinds of wild vertebrates.
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