Comparative Analysis of Various Strains of Plant Growth Promoting Rhizobacteria on the Physiology of Garlic (<i>Allium sativum</i>) — Oak Academic Publishing
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Comparative Analysis of Various Strains of Plant Growth Promoting Rhizobacteria on the Physiology of Garlic (<i>Allium sativum</i>)
Department of Biosciences, University of Wah, Wah Cantt, Pakistan
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Department of Biosciences, University of Wah, Wah Cantt, Pakistan
,
Department of Agronomy, University of Florida, Gainesville, USA
1 Department of Biosciences, University of Wah, Wah Cantt, Pakistan
2 Department of Biosciences, University of Wah, Wah Cantt, Pakistan
3 Department of Agronomy, University of Florida, Gainesville, USA
Garlic is a most important medicinal herb belonging to the family Liliaceae . Both its leaves and bulb are edible. The current study was based on evaluating the growth promoting potential of plant growth promoting rhizobacteria (PGPR) on garlic ( Allium sativum L.) growth and biochemical contents. Garlic cloves were inoculated with 3 kinds of PGPRs, Pseudomonas putida (KX574857), Pseudomonas stutzeri (Kx574858) and Bacillus cereus (ATCC14579) at 10<sup>8</sup> cells/mL prior to sowing. Under natural conditions, plants were grown in the net house. The PGPR significantly enhanced % germination, leaf and root growth and their biomass also increased the diameter of bulb and fresh and dry weight. The flavonoids, phenolics, chlorophyll, protein and sugar content were also significantly increased due to PGPR inoculation. The Pseudomonas stutzeri was found most effective for producing longer leaves with moderate sugar, high flavonoids (129%) and phenolics (263%) in bulb over control (Tap). The Pseudomonas putida exhibited a maximum increase in bulb diameter and bulb biomass with maximum phenolics and flavonoid contents.
KeywordsGarlicPlant Microbe InteractionRhizobacteriaPGPRPlant Physiology<i>Pseudomonas putidaPseudomonas stutzeri and Bacillus cereus</i>
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