‘P’ solubilization potential of plant growth promoting Pseudomonas mutants at low temperature

Das, Kuheli; Katiyar, Vandana; Goel, Reeta

doi:10.1078/0944-5013-00217

Cited by 47 publications

(18 citation statements)

References 10 publications

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“…The positive effect of inoculation also pointed towards the functionality of R. erythopolis (MTCC 7909) at lower temperatures. Although there are few reports on plant growth promotion under greenhouse conditions by low temperature tolerant microbes [23,24] none have studied the functionality of the phychrotrophic bacteria under Cr 6+ stress conditions using plant based assays.…”

Section: +mentioning

confidence: 99%

Chromate reducing and plant growth promoting activies of psychrotrophic Rhodococcus erythropolis MtCC 7905

Trivedi

Pandey

2007

J. Basic Microbiol.

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A psychrotrophic bacterial strain resistant to 300 mg l(-1) of Cr(6+) was isolated from metal contaminated soil samples from a site situated in the Indian Himalayan Region. Based on 16 S rRNA analysis the isolate showed maximum similarity to Rhodococcus erythropolis. Rhodococcus erythropolis MTCC 7,905 reduced substantial amounts of Cr(6+) to Cr(3+) at 10 degrees C and showed plant growth promotion. The isolate offer promise as inoculant to promote plant growth of pea (Pisum sativum) in the presence of toxic Cr(6+) concentration. To the best of our knowledge this is the first report on a psychrotrophic strain belonging to species R. erythropolis and its functional characterization to reduce Cr(6+ )and promote plant growth at low temperature.

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Section: +mentioning

confidence: 99%

Chromate reducing and plant growth promoting activies of psychrotrophic Rhodococcus erythropolis MtCC 7905

Trivedi

Pandey

2007

J. Basic Microbiol.

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“…Along with P assimilation, these microorganisms release a fair amount of soluble P into soil which can be used as P source by the plants. The most efficient PS bacterial strains are Pseudomonas (Das et al 2003) and Rhizobium ( …”

Section: P Solubilizationmentioning

confidence: 99%

Microbial Consortium of Plant Growth-Promoting Rhizobacteria Improves the Performance of Plants Growing in Stressed Soils: An Overview

Panwar

Tewari²,

Nayyar³

2014

Phosphate Solubilizing Microorganisms

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Soil and associated stress conditions not only influence dwelling microbial populations and soil ecosystems but also affect growth and yield of plants. Major soil stress includes salinity, drought, and metal contamination. Due to burgeoning populations and expanding food demands, it has become imperative to alleviate the stressful soil conditions so that the crop production is increased and, consequently, the food demands are fulfilled. Different strategies are followed to resolve this problem, and one such approach involves exploiting microbial potential for plant's benefit. The multifunctional microscopic life-forms are already known for their applications in industries, medicine, and agricultural field. One of the major attributes of microbes from agronomic point of view is their ability to solubilize difficultly available forms of soil phosphorus. Phosphate-solubilizing microbes are also known to produce enzymes, siderophores, and growth hormones; embellish plant growth and biocontrol activity; and improve soil properties. Such microorganisms possessing attributes, beneficial for plants are termed as plant growth-promoting rhizobacteria (PGPR). There are plentiful reports on bacterialmediated plant growth promotion under nonstressed conditions although fewer reports are available on their effects under stressed condition. The bacterial ability to enhance tolerance of plants in stressed soils and the impact of PGPR consortium (mixture) on different crops are highlighted. The major idea here is to consolidate the fact that PGPR consortium can be used directly in stress-affected soil with an aim to refurbish soil conditions to foster crop productivity in stressed soils.

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“…Although chemical fertilizers are being added to the soil to increase the availability of phosphorus for plants, a large portion of which is rapidly immobilized and becomes unavailable to plants and can lead to an overall reduction in soil fertility after application (Das et al, 2003). This leads to frequent application of chemical phosphatic fertilizers.…”

Section: Introductionmentioning

confidence: 99%

Effects of Phosphate Solubilizing Fungi on Growth and Yield of Haricot Bean (Phaseolus vulgaris L.) Plants

Elias¹,

Muleta²,

Woyessa³

2016

JAS

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Haricot bean (Phaseolus vulgaris L.) is one of the most important cash crops and export commodities besides its use in human food and soil fertility improvement. Phosphorus (P) is one of the major bio-elements that limits agricultural production. However, phosphate-solubilizing fungi play a noteworthy role in increasing the bioavailability of soil phosphates for plants. The purpose of this study was to evaluate the effects phosphate solubilizing fungi on the growth of haricot bean plants. Cultural and morphological features were used to tentatively identify the fungal isolates to genus level. Based In vitro phosphate solubilization efficieny conducted in both solid and liquid PVK medium following standard procedures, two best isolates were selected and evaluated under greenhouse for their performance on haricot bean. Under greenhouse experiment, shoot height (47.31 cm plant ), P content (0.59%) and N content (1.96%) were significantly increased by co-inoculation of two isolates (PSFAP) in the soil amended with rock phosphate (RP) compared to control. Moreover, the highest number of leaves (59.55 leaves plant -1 ) and root fresh weight (14.19 g plant -1 ) were recorded as a result of inoculation with isolate PSFP compared to control. The present study indicated the presence of potential plant associated fungi that possess phytobeneficial traits for extending their use as microbial biofertilizers after testing their suitability for the desired purpose.

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‘P’ solubilization potential of plant growth promoting Pseudomonas mutants at low temperature

Cited by 47 publications

References 10 publications

Chromate reducing and plant growth promoting activies of psychrotrophic Rhodococcus erythropolis MtCC 7905

Chromate reducing and plant growth promoting activies of psychrotrophic Rhodococcus erythropolis MtCC 7905

Microbial Consortium of Plant Growth-Promoting Rhizobacteria Improves the Performance of Plants Growing in Stressed Soils: An Overview

Effects of Phosphate Solubilizing Fungi on Growth and Yield of Haricot Bean (Phaseolus vulgaris L.) Plants

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