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促生细菌对鹰嘴豆作用结论部分 英译汉
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The use of soil rhizosphere bacteria possessing the traits of plant growth promotion under saline stress is becoming prevalent worldwide to achieve sustainable agriculture along with soil reclamation through phytoremediation as well as bioremediation. The present study demonstrated the ability of native strains in saline areas to tolerate salinity and show plant growth-promoting potential. From a total of 176 bacterial isolates, 62 have the potential to tolerate salinity up to 1 M NaCl concentration. Five bacterial isolates were screened out that not only can tolerate high salinity but play an essential role in helping plants to establish and grow in salinity conditions. Isolate MSC1 increased the root length of treated plants by 71% and shoot length by 34% compared to untreated plants. MSC4 was another effective growth promoter and increased root length by 76%. Treatments with isolates MSC4 and MSC1 also yielded the maximum increase in the number of flowers by 63 and 54%, respectively. Plants inoculated with MSC4 and MSC1 showed an increase in the number of fruits by 112 and 105% in comparison with uninoculated controls. Thus, using strains with all the PGPR attributes can enhance plant growth under saline conditions. |
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wildwolf110
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sltmac(金币+1): 2011-11-08 18:38:51
ydd1982(金币+80, 翻译EPI+1): 2011-11-12 21:44:56
sltmac(金币+1): 2011-11-08 18:38:51
ydd1982(金币+80, 翻译EPI+1): 2011-11-12 21:44:56
| 在盐胁迫下，使用土壤根际细菌促进植物生长已 在全球范围内成为热门，它能实现农业可持续发展和通过植物修复以及生物修复来改良土壤。目前的研究表明了在盐碱地区的原生菌株的耐盐性和促进植物生长的潜力。在总共176个菌株，其中62个有可能耐1 M 浓度的NaCl。有5个菌株，不仅可以耐高浓度盐，而且在帮助植物在盐碱条件下生长起到了至关重要的作用。与未经处理的植物相比，用MSC1处理植物的根长度增加了34％，芽的长度增加了71％。MSC4是另一种有效的促生剂，能够增加根长76％，用MSC4和MSC1处理植株能够使花瓣数的增长最大量分别达63 和 54%，与未接种的相比，MSC4和MSC1接种的植物，水果数量的增加分别为在112%和105％，因此，在盐胁迫条件下，使用所有PGPR属性菌株可以增强植物的生长。 |
2楼2011-11-08 17:23:25