Productivity of cowpea as affected by salt stress in presence of endomycorrhizae and Pseudomonas fluorescens

Manaf, H. H.; Zayed, Mona S.

doi:10.1016/j.aoas.2015.10.013

Cited by 50 publications

(23 citation statements)

References 38 publications

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“…Also, osmolytes (proline and sugars) increased in the presence of endomycorrhizae inoculation in the plant. Irrigation with tap water in the midst of endomycorrhizae and Pseudomonas fluorescens gave higher fresh and dry weight, pod length, seed number, and protein content of the cowpea plant (Manaf and Zayed 2015 ) compared to the one irrigated with salt water.…”

Section: Salt-induced Challenges On Plantmentioning

confidence: 96%

The influence of plant growth-promoting rhizobacteria in plant tolerance to abiotic stress: a survival strategy

Enebe

Babalola

2018

Appl Microbiol Biotechnol

265

105

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Action is needed to face the global threat arising from inconsistent rainfall, rise in temperature, and salinization of farm lands which may be the product of climate change. As crops are adversely affected, man and animals may face famine. Plants are severely affected by abiotic stress (drought, salinity, alkalinity, and temperature), which impairs yield and results in loss to farmers and to the nation at large. However, microbes have been shown to be of great help in the fight against abiotic stress, via their biological activities at the rhizosphere of plants. The external application of chemical substances such as glycine betaine, proline, and nutrients has helped in sustaining plant growth and productive ability. In this review, we tried to understand the part played by bioinoculants in aiding plants to resist the negative consequences arising from abiotic stress and to suggest better practices that will be of help in today’s farming systems. The fact that absolute protection and sustainability of plant yield under stress challenges has not been achieved by microbes, nutrients, nor the addition of chemicals (osmo-protectants) alone suggests that studies should focus on the integration of these units (microbes, nutrients, chemical stimulants, and osmo-protectants) into a strategy for achieving a complete tolerance to abiotic stress. Also, other species of microbes capable of shielding plant from stress, boosting yield and growth, providing nutrients, and protecting the plants from harmful invading pathogens should be sought.

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Section: Salt-induced Challenges On Plantmentioning

confidence: 96%

The influence of plant growth-promoting rhizobacteria in plant tolerance to abiotic stress: a survival strategy

Enebe

Babalola

2018

Appl Microbiol Biotechnol

265

105

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“…Inoculation of plants with ST-PGPR decreases the negative effects of oxidative stress by producing antioxidative enzymes (Manaf and Zayed, 2015;Islam et al, 2016). There are evidences where ST-PGPR produced high concentration of antioxidant enzymes including POD, SOD, CAT, and nitrate reductase (NR), glutathione reductase (GR) under salinity stress (Jha and Subramanian, 2013;Sen and Chandrasekhar, 2015;Ansari et al, 2019).…”

Section: Antioxidant Enzymesmentioning

confidence: 99%

Salt-Tolerant Plant Growth Promoting Rhizobacteria for Enhancing Crop Productivity of Saline Soils

et al. 2019

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Soil salinity has emerged as a serious issue for global food security. It is estimated that currently about 62 million hectares or 20 percent of the world's irrigated land is affected by salinity. The deposition of an excess amount of soluble salt in cultivable land directly affects crop yields. The uptake of high amount of salt inhibits diverse physiological and metabolic processes of plants even impacting their survival. The conventional methods of reclamation of saline soil which involve scraping, flushing, leaching or adding an amendment (e.g., gypsum, CaCl 2 , etc.) are of limited success and also adversely affect the agro-ecosystems. In this context, developing sustainable methods which increase the productivity of saline soil without harming the environment are necessary. Since long, breeding of salt-tolerant plants and development of salt-resistant crop varieties have also been tried, but these and aforesaid conventional approaches are not able to solve the problem. Salt tolerance and dependence are the characteristics of some microbes. Salt-tolerant microbes can survive in osmotic and ionic stress. Various genera of salt-tolerant plant growth promoting rhizobacteria (ST-PGPR) have been isolated from extreme alkaline, saline, and sodic soils. Many of them are also known to mitigate various biotic and abiotic stresses in plants. In the last few years, potential PGPR enhancing the productivity of plants facing salt-stress have been researched upon suggesting that ST-PGPR can be exploited for the reclamation of saline agro-ecosystems. In this review, ST-PGPR and their potential in enhancing the productivity of saline agro-ecosystems will be discussed. Apart from this, PGPR mediated mechanisms of salt tolerance in different crop plants and future research trends of using ST-PGPR for reclamation of saline soils will also be highlighted.

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“…Saccharomyces cerevisiae recorded the highest production capability of cytokinins, 3.52 µg ml −1 , Azospirillum brasilense recorded the highest production capability of IAA, 4.7 µg ml −1 , and the highest gibberellic acid was recorded with Pleurotus eryngii, 39.1 µg ml −1 . Different researches have reported the ability of microorganisms to produce cytokinins, IAA and gibberellins with different quantities depending on the species of microorganism as well as the growth conditions (Manaf and Zayed 2015;Zayed 2012).…”

Section: Assessment Of Some Metabolic Activities Of Selected Strainsmentioning

confidence: 99%

Effect of tertiary combinations of animal dung with agrowastes on the growth and development of earthworm Eisenia fetida during organic waste management

Chauhan¹,

Singh²

2013

International Journal Of Recycling of Organic Waste in Agricult

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Purpose Improving the nutritional value of rice straw by microbial inoculants and some physical treatments for animal feeding during dry seasons. Methods Different microbial inoculants and some physical treatments were used to improve the nutritional value of rice straw. Rice straw was divided into moist straw, soaked straw for 24 h without pasteurization and soaked for 24 h and pasteurized at 100 °C/1 h, and all of them were inoculated with different microbial inoculants. Results Moistened rice straw inoculated with Azotobacter chroococcum and Saccharomyces cerevisiae recorded the highest significant reduction in organic matter percent, 74.21%. The highest significant reductions in crude fiber, neutral detergent fiber, and acid detergent fiber percent were recorded in moistened rice straw inoculated with Azospirillum brasilense and Saccharomyces cerevisiae which gave 27.54, 55.39 and 42.47%, respectively. The highest significant increase in crude protein percent, 13.71%, was recorded in rice straw soaked for 24 h and inoculated with Azospirillum brasilense and Bacillus megaterium. The combined interaction between microbial treatments and physical pretreatments of rice straw gave a significant decrease in organic matter, crude fiber, neutral detergent fiber and acid detergent fiber %, as well as a significant increase in crude protein % compared to control. Addition of nitrogen fixers to rice straw improved its nitrogen contents. Conclusions This study showed the possibility of improving the nutritional value of rice straw using microbial inoculants and some physical treatments to produce safe and cheap animal feeds.

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Productivity of cowpea as affected by salt stress in presence of endomycorrhizae and Pseudomonas fluorescens

Cited by 50 publications

References 38 publications

The influence of plant growth-promoting rhizobacteria in plant tolerance to abiotic stress: a survival strategy

The influence of plant growth-promoting rhizobacteria in plant tolerance to abiotic stress: a survival strategy

Salt-Tolerant Plant Growth Promoting Rhizobacteria for Enhancing Crop Productivity of Saline Soils

Effect of tertiary combinations of animal dung with agrowastes on the growth and development of earthworm Eisenia fetida during organic waste management

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