M. Erhan Gore
Plant Protection Research Institute, 35040 Bomova, Izmir, Turkey
Nedim Altin
Plant Protection Research Institute, 35040 Bomova, Izmir, Turkey
ABSTRACT
The objective of the present study was to evaluate the ability of Pseudomonads, to promote plant growth on Pelargonium, Chrysanthemum and Dahlia under commercial greenhouse conditions. The screening procedure consisted of two stages. In the first stage all the strains were tested in the two ornamental plants, Pelargonium and Chrysanthemum. In the second stage the most promising strain selected in the first stage was tested in Dahlia. Analysis of variance was done with the GLM (General Linear Models) procedure of SAS. Results of the first trial showed that Chrysanthemum plants treated with Pseudomonas fluorescens strain 51 increased plant height and number of flowers by 10 and 19%, respectively. Besides, increases as high as 13, 56 and 60% were obtained by P. fluorescens strain 148 applied by soil treatment, respectively for plant height, leaf surface area and number of flowers of Pelargonium. In the second trial, performed on Dahlia, plant raised from strain 51 treated pots recorded 27% increase in root length, 107% more flowers, 29 and 14% enhancement in fresh and dry weight, respectively. Moreover, the compatibility of the most efficient strain 51 with some fungicides, which are commonly sprayed on greenhouse was investigated under in vitro conditions. Fungicides did not adversely affect the colonial development of bacteria at concentrations as high as 100 μg mL-1 in vitro.
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How to cite this article
M. Erhan Gore and Nedim Altin, 2006. Growth Promoting of Some Ornamental Plants by Root Treatment with Specific Fluorescent Pseudomonads. Journal of Biological Sciences, 6: 610-615.
DOI: 10.3923/jbs.2006.610.615
URL: https://scialert.net/abstract/?doi=jbs.2006.610.615
DOI: 10.3923/jbs.2006.610.615
URL: https://scialert.net/abstract/?doi=jbs.2006.610.615
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