Abstract
<p>Ten bacterial isolates were obtained from the rhizosphere of sunflower crop grown in the semi-arid region of west Kanpur.<br />Isolates were further characterized on the basis of morphological, biochemical and physiological characteristics<br />suggesting them to be the member of group fluorescent pseudomonas. Isolates were further monitored for plant growth<br />promoting traits including IAA, phosphate solubilization, siderophore, nitrogen fixation, HCN, chitinase and β-1-3<br />glucanase activity. Amongst all the isolates, PF17 displayed maximum PGP attributes hence it was selected for doing<br />further in vivo pot study taking sunflower as a test crop. Seed treatment with fluorescent pseudomonas PF17 brought<br />enhancement in root length, shoot length, dry weight and seed yield of sunflower crop in comparison to control (untreated<br />seeds). Hence it might be concluded from the study that fluorescent pseudomonas PF17 contains large number of PGP<br />attributes, and its application contributed in enhancement of sunflower growth leading to better yield. In addition, ability<br />to enhance growth of sunflower with the help of biological means appears to be of great ecological and economic<br />importance.</p>
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