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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 819 - 843 (25page)
- DOI
- 10.1007/s11816-021-00716-y
이용수
초록· 키워드
오류제보하기
Salinity is a major problem affecting crop production all over the world. A wide range of adaptation strategies are required to overcome this problem. Endophytic bacteria can build a symbiotic association with their host to improve host plant salt tolerance. In this study, eighteen bacterial endophyte strains were isolated from two native halophytic plants Arthrocnemum macrostachyum and Spergularia marina, and identified as Bacillus, Brevibacillus, Agrobacterium, and Paenibacillus. These endophytic strains exhibit plant growth-promoting activities including phosphate solubilizing, ammonia production, bio- control of phytopathogen, extracellular enzymatic activities, and indole-3-acetic acid production under normal and salinity stress. A pot experiment was conducted under field conditions to alleviate the harmful effects of soil salinity on bean (Vicia faba L.) by inoculating their seeds with the most potent bacterial isolates Bacillus subtilis (AR5) and Bacillus thuringiensis (BR1). Salinity treatments induced a significant decrease in both growth parameters and metabolic activities, while the activ- ity of antioxidant enzymes and proline content was significantly increased. However, salinity stress induced higher contents of Na+ and decreased contents of N+, P3+, K+, Ca2+, Mg2+, and K+:Na+, it was found that treatment with B. subtilis (AR5) and B. thuringiensis (BR1) individually or in a combination mitigated the effect of salt stress and improved the plant height, shoot dry weights, proline contents, enzymes activities as well enhanced the accumulation of mineral nutrients in shoot plants. Our results concluded that treatment with co-inoculation of B. subtilis (AR5) and B. thuringiensis (BR1) exerted the greatest effect in alleviating the harmful effect of soil salinity stress and can be used as a suitable bio-approach to reclaim salinity-stressed soils.
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참고문헌 (133)
참고문헌 신청
Abbasi MK / 2011 / Isolation of plant growth promoting rhizobacteria from wheat rhizosphere and their effect on improving growth, yield and nutrient uptake of plants / Plant Biosyst 145:159~168
Abd-Allah EF / 2018 / Endophytic bacterium Bacillus subtilis (BERA 71) improves salt tolerance in chickpea plants by regulating the plant defense mechanisms / J Plant Interact 13:37~44
Abdelhamid MT / 2010 / Growth, root characteristics, and leaf nutrients accumulation of four Faba Bean (Vicia faba L.) cultivars differing in their broomrape tolerance and the soil properties in relation to salinity / Commun Soil Sci Plant Anal 41:2713~2728
Abeer H / 2014 / Alleviation of adverse impact of salinity on faba bean (Vicia faba L.) by arbuscular mycorrhizal fungi / Pak J Bot 46:2003~2013
Abla E / 2015 / Antagonistic activity of endophytic bacteria isolated from Mentha rotundifolia L / Int J Sci Technol Res 4:36~39
Abd-Allah EF / 2018 / Endophytic bacterium Bacillus subtilis (BERA 71) improves salt tolerance in chickpea plants by regulating the plant defense mechanisms / J Plant Interact 13:37~44
Abdelhamid MT / 2010 / Growth, root characteristics, and leaf nutrients accumulation of four Faba Bean (Vicia faba L.) cultivars differing in their broomrape tolerance and the soil properties in relation to salinity / Commun Soil Sci Plant Anal 41:2713~2728
Abeer H / 2014 / Alleviation of adverse impact of salinity on faba bean (Vicia faba L.) by arbuscular mycorrhizal fungi / Pak J Bot 46:2003~2013
Abla E / 2015 / Antagonistic activity of endophytic bacteria isolated from Mentha rotundifolia L / Int J Sci Technol Res 4:36~39
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