CO-INOCULATION OF ARBUSCULR MYCORRHIZAE AND NITROGEN FIXING BACTERIA ENHANCE ALFALFA YIELD UNDER SALINE CONDITIONS

文献类型： 外文期刊

第一作者： Zhu, Rui-Fen

作者： Zhu, Rui-Fen;Tang, Fen-Lan;Liu, Jie-Lin;Liu, Feng-Qi;Chen, Ji-Shan;Chen, Ji-Shan;Deng, Xiao-Yu

作者机构：

关键词： Arbuscular mycorrhizal fungi (AMF);Rhizobium meliloti (RM);Alfalfa (Medicago sativa L.) yield;Salinity

期刊名称：PAKISTAN JOURNAL OF BOTANY （ 影响因子：0.972； 五年影响因子：0.988 ）

ISSN： 0556-3321

年卷期： 2016 年 48 卷 2 期

页码：

收录情况： SCI

摘要： The study was to investigate the effects of combined inoculation of Glomus mosseae (arbusculr mycorrhizae fungi, AMF) and Sinorhizobium meliloti (nitrogen-fixing bacteria, i.e., an Rhizobium meliloti, RM) on yield, nutrient contents, nodulation and mycorrhizal colonization of different alfalfa cultivars under saline conditions. An experiment was conducted to test the efficacy of AMF and RM inoculation in development of salt tolerance in alfalfa cultivars (Zhaodong, Nongjing and Longmu) under different salinity levels (0, 60, 120 and 180 mM NaCl). We found that under non stress condition, double inoculation of alfalfa with rhizobium and AM increased the alfalfa yield, nodule weight and number, as well as shoot proline contents, the most when plants were double inoculated followed by AM and rhizobium inoculation, respectively. Whereas under salinity condition, double inoculation of alfalfa with rhizobium and AM increased alfalfa yield, mycorrhizal infection, nodule weight and number as well as increased in shoot proline content, the most followed by AM and rhizobium inoculation, respectively. The results suggest that growth of alfalfa may be improved by combined inoculation of alfalfa with AM and rhizobium under salt and non-stress conditions. Alleviation of alfalfa growth under saline condition was perhaps due to an increase in mycorrhizal infection and nodule weight and number as well as an increased in shoot proline content by dual inoculation.

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