自生植物
zì shēnɡ zhí wù
- 名wild plant
![自生植物](../cache/1341111.jpg)
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自生固氮菌是植物根际促生细菌(PGPR)的重要组成成分,并且可以将大气中的N2通过生物固氮作用供给植物生长,提高植物对氮素的利用。
Free-living nitrogen fixation bacteria are important plant growth-promoting rhizobacteria ( PGPR ), and they can supply plants with N by bio-nitrogen fixation .
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苜蓿根瘤菌在与宿主植物建立共生关系的过程中,以自生状态进入宿主植物细胞,经过分化发育转变为共生状态的类菌体(Bacteroid)。
During the establishment process of symbiotic relation of alfalfa rhizobium with host plant , alfalfa rhizobium ( Sinorhizobium melitoti ) entered into host plant cell as self-growing state , and then transferred into bacteroid of symbiotic state through its differentiation development .