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Climate Change and Salinity Effects on Crops and Chemical Communication Between Plants and Plant Growth-Promoting Microorganisms Under Stress
Climate Change and Salinity Effects on Crops and Chemical Communication Between Plants and Plant Growth-Promoting Microorganisms Under Stress
- Source :
- Frontiers in Sustainable Food Systems, Vol 5 (2021)
- Publication Year :
- 2021
- Publisher :
- Frontiers Media S.A., 2021.
-
Abstract
- During the last two decades the world has experienced an abrupt change in climate. Both natural and artificial factors are climate change drivers, although the effect of natural factors are lesser than the anthropogenic drivers. These factors have changed the pattern of precipitation resulting in a rise in sea levels, changes in evapotranspiration, occurrence of flood overwintering of pathogens, increased resistance of pests and parasites, and reduced productivity of plants. Although excess CO2promotes growth of C3plants, high temperatures reduce the yield of important agricultural crops due to high evapotranspiration. These two factors have an impact on soil salinization and agriculture production, leading to the issue of water and food security. Farmers have adopted different strategies to cope with agriculture production in saline and saline sodic soil. Recently the inoculation of halotolerant plant growth promoting rhizobacteria (PGPR) in saline fields is an environmentally friendly and sustainable approach to overcome salinity and promote crop growth and yield in saline and saline sodic soil. These halotolerant bacteria synthesize certain metabolites which help crops in adopting a saline condition and promote their growth without any negative effects. There is a complex interkingdom signaling between host and microbes for mutual interaction, which is also influenced by environmental factors. For mutual survival, nature induces a strong positive relationship between host and microbes in the rhizosphere. Commercialization of such PGPR in the form of biofertilizers, biostimulants, and biopower are needed to build climate resilience in agriculture. The production of phytohormones, particularly auxins, have been demonstrated by PGPR, even the pathogenic bacteria and fungi which also modulate the endogenous level of auxins in plants, subsequently enhancing plant resistance to various stresses. The present review focuses on plant-microbe communication and elaborates on their role in plant tolerance under changing climatic conditions.
- Subjects :
- 0106 biological sciences
0301 basic medicine
Soil salinity
Biofertilizer
Biology
Horticulture
Management, Monitoring, Policy and Law
Rhizobacteria
01 natural sciences
Food processing and manufacture
salinity
03 medical and health sciences
TX341-641
biofertilizers
Rhizosphere
Global and Planetary Change
Ecology
stress tolerance
business.industry
Nutrition. Foods and food supply
fungi
food and beverages
Sodic soil
TP368-456
Salinity
030104 developmental biology
climate change
Agronomy
Agriculture
halotolerant PGPR
Halotolerance
business
Agronomy and Crop Science
010606 plant biology & botany
Food Science
Subjects
Details
- Language :
- English
- Volume :
- 5
- Database :
- OpenAIRE
- Journal :
- Frontiers in Sustainable Food Systems
- Accession number :
- edsair.doi.dedup.....52cb7a96d06a8dbc2b36dd85cf6fc487
- Full Text :
- https://doi.org/10.3389/fsufs.2021.618092/full