Effect of manganese application on the activity of phosphate-dissolving bacteria in a calcareous soil cultivated with pea plants

Saber, Mohamed; Yousry, Mona; Kabesh, M. O.

doi:10.1007/bf00011492

Cited by 12 publications

References 4 publications

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Role of Melatonin and Plant‐Growth‐Promoting Rhizobacteria in the Growth and Development of Plants

Asif

Pervez

Ahmad

2019

CLEAN Soil Air Water

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Melatonin is a tryptophan‐based indole molecule found in primitive photosynthetic bacteria to mammals. It performs different functions in plants like rhizogenesis, enhancing plant growth, seed germination, plant yield, biomass production, photosynthesis, circadian rhythm, and fruit ripening. In addition, one of the most significant attributes of melatonin is its antioxidant activity. Moreover, it works as an anti‐stress agent against different biotic and abiotic stresses like drought, salinity, potentially toxic metals, and pathogens. Melatonin forms antioxidant cascade reaction by scavenging free radicals that enhances its antioxidant capacity. In response to different stress conditions, expression of genes involved in melatonin synthesis is increased. In the same way, plant‐growth‐promoting rhizobacteria colonize plant roots and enhance plant growth by a number of mechanisms like phosphate solubilization, nitrogen fixation, siderophore production, production of phytohormones, phytoremediation, disease suppression, and production of 1‐aminocyclopropane‐1‐carboxylate deaminase. Thus, melatonin and plant‐growth‐promoting rhizobacteria are involved in enhancing plant growth under abiotic and biotic stress but the mechanisms of action of both are different. Therefore, in this study, the data on the impact of melatonin and plant‐growth‐promoting rhizobacteria on plants are combined for the first time and how these could be useful in enhancing the plant growth is examined. In addition, the research gaps are identified in melatonin and plant‐growth‐promoting rhizobacteria research already conducted from the last few decades that will help the scientific community in further research.

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Role of Melatonin and Plant‐Growth‐Promoting Rhizobacteria in the Growth and Development of Plants

Asif

Pervez

Ahmad

2019

CLEAN Soil Air Water

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Influence of Phosphate Dissolving Bacteria on the Efficiency of Superphosphate in a Calcareous Soil Cultivated with Vicia faba

Khalafallah

Saber

Abd-El-Maksoud

1982

J Plant Nutrition & Soil

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In a pot experiment with Vicia faba grown in a calcareous soil and fertilized with three rates on superphosphate, inoculation with phosphate dissolving bacteria (PDB) increased P‐uptake and dry weight. The effect of inoculation exceeded that of the fertilization with half of the usual rate. Dry weight and P‐uptake of plants grown in inoculated soils receiving one half of the usual rate of superphosphate were higher than those for plants grown in pots receiving the usual rate of superphosphate in the absence of the inoculation. The usual rate of superphosphate in the presence of inoculation doubled both P‐uptake and dry weight of Vicia faba. However, one half of the usual rate of superphosphate in the presence of inoculation with PDB increased P‐uptake and dry weight of faba plants by one half more than the control.

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Effect of phosphate dissolving bacteria on P‐uptake by barley plants grown in a salt affected calcareous soil

El-Din

Saber

1983

J Plant Nutrition & Soil

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In a pot experiment the effect of inoculation of a salt affected calcareous soil with phosphate dissolving bacteria (PDB) on dehydrogenase activity and P‐uptake by barley plants was investigated. Four levels of artificial salinity were used, i. e., 0.2, 0.4, 0.8 and 1.2 % total soluble salts. Inoculation increased PDB in all treatments, but it did not affect the microbial activity in the soil as represented by dehydrogenase activity. The higher the salt level the lower the counts of PDB and dehydrogenase activity in the soil. A positive significant difference was recorded in P‐uptake as a result of inoculation and a negative one as a result of increasing salinity.

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Effect of manganese application on the activity of phosphate-dissolving bacteria in a calcareous soil cultivated with pea plants

Cited by 12 publications

References 4 publications

Role of Melatonin and Plant‐Growth‐Promoting Rhizobacteria in the Growth and Development of Plants

Role of Melatonin and Plant‐Growth‐Promoting Rhizobacteria in the Growth and Development of Plants

Influence of Phosphate Dissolving Bacteria on the Efficiency of Superphosphate in a Calcareous Soil Cultivated with Vicia faba

Effect of phosphate dissolving bacteria on P‐uptake by barley plants grown in a salt affected calcareous soil

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