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논문 기본 정보

자료유형
학술저널
저자정보
Wansik Shin (Chungbuk National University) Ashaduzzaman Siddikee (Chungbuk National University) Manoharan Melvin Joe (Chungbuk National University) Abitha Benson (Chungbuk National University) Kiyoon Kim (Chungbuk National University) Gopal Selvakumar (Chungbuk National University) Yeongyeong Kang (Chungbuk National University) Seonyoung Jeon (Chungbuk National University) Sandipan Samaddar (Chungbuk National University) Poulami Chatterjee (Chungbuk National University) Denver Walitang (Chungbuk National University) Mak Chanratana (Chungbuk National University) Tongmin Sa (Chungbuk National University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제49권 제4호
발행연도
2016.8
수록면
355 - 367 (13page)

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초록· 키워드

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Soil salinization refers to the buildup of salts in soil to a level toxic to plants. The major factors that contribute to soil salinity are the quality, the amount and the type of irrigation water used. The presented review discusses the different sources and causes of soil salinity. The effect of soil salinity on biological processes of plants is also discussed in detail. This is followed by a debate on the influence of salt on the nutrient uptake and growth of plants. Salinity decreases the soil osmotic potential and hinders water uptake by the plants. Soil salinity affects the plants K uptake, which plays a critical role in plant metabolism due to the high concentration of soluble sodium (Na<SUP>+</SUP>) ions. Visual symptoms that appear in the plants as a result of salinity include stunted plant growth, marginal leaf necrosis and fruit distortions. Different strategies to ameliorate salt stress globally include breeding of salt tolerant cultivars, irrigation to leach excessive salt to improve soil physical and chemical properties. As part of an ecofriendly means to alleviate salt stress and an increasing considerable attention on this area, the review then focuses on the different plant growth promoting bacteria (PGPB) mediated mechanisms with a special emphasis on ACC deaminase producing bacteria. The various strategies adopted by PGPB to alleviate various stresses in plants include the production of different osmolytes, stress related phytohormones and production of molecules related to stress signaling such as bacterial 1-aminocyclopropane-1-carboxylate(ACC) derivatives. The use of PGPB with ACC deaminase producing trait could be effective in promoting plant growth in agricultural areas affected by different stresses including salt stress. Finally, the review ends with a discussion on the various PGPB activities and the potentiality of facultative halophilic/halotolerant PGPB in alleviating salt stress.

목차

Introduction
Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2017-523-001137201