Optimistic contributions of plant growth-promoting bacteria for sustainable agriculture and climate stress alleviation

被引:51
|
作者
Cao, Mengyuan [1 ]
Narayanan, Mathiyazhagan [2 ]
Shi, Xiaojun [1 ]
Chen, Xinping [1 ]
Li, Zhenlun [1 ]
Ma, Ying [1 ]
机构
[1] Southwest Univ, Coll Resources & Environm, Chongqing 400716, Peoples R China
[2] Saveetha Inst Med & Tech Sci, Saveetha Sch Engn, Dept Biotechnol, Div Res & Innovat, Chennai 602105, Tamil Nadu, India
关键词
Plant growth-promoting mechanisms; Phytohormones; Biotic and abiotic stresses; Climate change resilience; Microbial inoculation; Commercialization; ARABIDOPSIS-THALIANA; SALT STRESS; INOCULATION METHODS; PSEUDOMONAS-PUTIDA; BACILLUS-SUBTILIS; DROUGHT TOLERANCE; SALINITY STRESS; SOIL; RHIZOBACTERIA; MAIZE;
D O I
10.1016/j.envres.2022.114924
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Global climate change is the major cause of abiotic and biotic stresses that have adverse effects on agricultural productivity to an irreversible level, thus threatening to limit gains in production and imperil sustainable agriculture. These climate change-induced abiotic stresses, especially saline, drought, extreme temperature, and so on affect plant morphological, physiological, biochemical, and metabolic characteristics through various pathways and mechanisms, ultimately hindering plant growth, development, and productivity. However, overuse and other inappropriate uses of agrochemicals are not conducive to the protection of natural resources and the environment, thus hampering sustainable agricultural development. With the vigorous development of modern agriculture, the application of plant growth-promoting bacteria (PGPB) can better ensure sustainable agriculture, due to their ability to improve soil properties and confer stress tolerance in plants. This review deciphered the underlying mechanisms of PGPB involved in enhancing plant stress tolerance and performance under various abiotic and biotic stresses. Moreover, the recent advancements in PGPB inoculation techniques, the commercialization of PGPB-based technology and the current applications of PGPB in sustainable agriculture were extensively discussed. Finally, an outlook on the future directions of microbe-aided agriculture was pointed out. Providing insights into plant-PGPB interactions under biotic and abiotic stresses and offering evidence and strategies for PGPB better commercialization and implementation can inspire the development of innovative solutions exploiting PGPB under climatological conditions.
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页数:13
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