| Investigation of rhizobium resources of leguminous plants and their ecological distribution in Ningxia |
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| DOI：10.7606/j.issn.1000-7601.2007.05.35 |
| Key Words: Ningxia leguminous plants rhizobium resources ecological distribution |
| Author Name | Affiliation | | YANG Wen-quan | College of Life Sciences Northwest A＆F University,Yangling,Shaanxi 712100,China | | GUO Jun-kang | College of Life Sciences Northwest A＆F University,Yangling,Shaanxi 712100,China | | FENG Chun-sheng | College of Life Sciences Northwest A＆F University,Yangling,Shaanxi 712100,China | | WEI Ge-hong | College of Life Sciences Northwest A＆F University,Yangling,Shaanxi 712100,China |
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| Abstract: |
| An investigation was made on the nodule and nitrogen fixation resources of wild and cultivated leguminous plants in Ningxia and 748 nodule samples that belonged to 24 genera and 47 species were collected.The results showed: 1) Oxytropis xinglongshanica C.W.Chang and Astragalus efoliolatus Hand.-Mazz.were the newly-discovered ones capable of setting nodules.2) The most nodules were yellow or brown,spherical or claviform,and grown on lateral roots.3) The water and fertility of soil and the growth stage were important factors that affected the nodulation.4) According to the growth character,distribution and utilization,the rhizobium of leguminous plants in Ningxia is distributed in aridity,mountainous grassland and plantation area. |
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