Response of neem (Azadirachta indica A. Juss) to indigenous arbuscular mycorrhizal fungi, phosphate-solubilizing and asymbiotic nitrogen-fixing bacteria under tropical nursery conditions

Muthukumar, Thangavelu; Udaiyan, K.; Rajeshkannan, V.

doi:10.1007/s00374-001-0425-5

Cited by 65 publications

(17 citation statements)

References 34 publications

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“…A rather wide range of variation in the symbiotic capacity of all AMF inoculants with respect to this particular tree species concerned was observed. Relatively higher P concentration (0.23%) in leaves had been recorded for G. intraradices in our case than that recorded (0.126%) by Muthukumar et al (2001) , in shoot at 120 days after transplantation. In any case, mixed inoculum (consortia) showed the best performance in terms of plant height and plant biomass ( Table 4 ).…”

Section: Discussioncontrasting

confidence: 62%

“…Rapid production of high quality seedlings in nurseries is a pre-requisite for any aggressive re-forestation program, but it has been observed earlier ( Michelsen, 1992 ) that optimal nursery conditions can hardly be achieved for quality seedling production. Moreover, there may be severe shortage in microbial populations including arbuscular mycorrhizal fungi (AMF) owing to the fact that soils used in the nursery are often collected from barren surroundings, subsoil or may have been stored for a long time ( Muthukumar et al , 2001 ). AMF is an imperative component of soil microbial biomass influencing essential processes at the plant+soil interface ( Harley and Smith, 1983 ; Bagyaraj, 1984 ; Rajan et al , 2000 ).…”

Section: Introductionmentioning

confidence: 99%

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Screening of efficient arbuscular mycorrhizal fungi for Azadirachta indica under nursery condition: a step towards afforestation of semi-arid region of western India

Banerjee

Gadani

Srivastava³

et al. 2013

Braz. J. Microbiol.

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To optimize nursery practices for efficient plant production procedures and to keep up to the ever growing demand of seedlings, identification of the most suitable species of arbuscular mycorrhizal fungi (AMF), specific for a given tree species, is clearly a necessary task. Sixty days old seedlings of Neem (Azadirachta indica A. Juss) raised in root trainers were inoculated with six species of AMF and a mixed inoculum (consortia) and kept in green house. Performances of the treatments on this tree species were evaluated in terms of growth parameters like plant height shoot collar diameter, biomass and phosphorous uptake capabilities. Significant and varied increase in the growth parameters and phosphorous uptake was observed for most of the AMF species against control. Consortia culture was found to be the best suited AMF treatment for A. indica, while Glomus intraradices and Glomus mosseae were the best performing single species cultures. It is the first time in the state of Gujarat that a wide variety of AMF species, isolated from the typical semi-arid region of western India, were tested for the best growth performance with one of the most important tree species for the concerned region.

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Section: Discussioncontrasting

confidence: 62%

Section: Introductionmentioning

confidence: 99%

Screening of efficient arbuscular mycorrhizal fungi for Azadirachta indica under nursery condition: a step towards afforestation of semi-arid region of western India

Banerjee

Gadani

Srivastava³

et al. 2013

Braz. J. Microbiol.

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“…Plant growth‐promoting rhizobacteria in combination might interact synergistically to stimulate growth via the enlargement of the root system for enhanced nutrient uptake (Camacho et al. 2001; Muthukumar et al. 2001).…”

Section: Resultsmentioning

confidence: 99%

Utilization of Parthenium hysterophorus for the remediation of lead‐contaminated soil

Hadi

Bano

2009

Weed Biology and Management

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A greenhouse experiment was conducted to study the role of plant growth regulators, a chelating agent, and plant growth-promoting bacteria in lead (Pb) phytoextraction and their subsequent effect on the weed plant, Parthenium hysterophorus. Gibberellic acid (GA3) and indole-3-acetic acid (IAA) were used as the foliar spray. Ethylenediamine tetra acetic acid (EDTA) was applied in split doses. Bacillus and Rhizobium strains were used as a single culture and as co-cultures.The accumulation of Pb in different parts of the plant was analyzed by using an atomic absorption spectrophotometer.The amount of lead translocation and accumulation in the stems and leaves was significantly higher in the hormonal and EDTA treatments, while the microbial treatments showed no significant difference in the amount of Pb translocation into the stems and leaves, when compared to the control.The EDTA increased the amount of translocation into the shoots, but the dry biomass declined and subsequently reduced the total Pb phytoextraction. The GA3 treatment showed the maximum total Pb accumulation, along with a higher dry biomass.The microbial co-inoculated plants showed a significant increase in their dry biomass but the Pb accumulation did not increase like with the GA3 and IAA treatments.These findings encourage the use of the GA3 application for Pb phytoextraction by P. hysterophorus. One important feature of this weed plant is its unpalatable nature to herbivores, which could help in reducing the entrance of Pb into the food chain. Gibberellic acid is environmentally friendly compared to EDTA; therefore, more investigation of GA3 and P. hysterophorus is required.

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“…& Trappe emend. C. Walker & Koske along with other nitrogen‐fixing and phosphate‐solubilising organisms16 improved the quality and growth of neem seedlings, owing to greater absorption of nutrients, under nursery conditions in unsterilised soil.…”

Section: Introductionmentioning

confidence: 99%

Use of plant residues on growth of mycorrhizal seedlings of neem (Azadirachta indica A. Juss.)

et al. 2011

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Response of neem (Azadirachta indica A. Juss) to indigenous arbuscular mycorrhizal fungi, phosphate-solubilizing and asymbiotic nitrogen-fixing bacteria under tropical nursery conditions

Cited by 65 publications

References 34 publications

Screening of efficient arbuscular mycorrhizal fungi for Azadirachta indica under nursery condition: a step towards afforestation of semi-arid region of western India

Screening of efficient arbuscular mycorrhizal fungi for Azadirachta indica under nursery condition: a step towards afforestation of semi-arid region of western India

Utilization of Parthenium hysterophorus for the remediation of lead‐contaminated soil

Use of plant residues on growth of mycorrhizal seedlings of neem (Azadirachta indica A. Juss.)

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