Antimicrobial activities of rhizobacterial strains of <Emphasis Type="Italic">Pseudomonas</Emphasis> and <Emphasis Type="Italic">Bacillus strains</Emphasis> isolated from rhizosphere soil of carnation (<Emphasis Type="Italic">Dianthus caryophyllus</Emphasis> cv. Sunrise) |
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Authors: | Sapna Sharma Mohinder Kaur |
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Institution: | (1) Floriculture Pathology Laboratory, Institute of Himalayan Bioresource Technology, Council of Scientific and Industrial Research, Palampur, 176 061, Himachal Pradesh, India |
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Abstract: | Under the present study, an attempt was made to characterize rhizobacteria i.e. Pseudomonas and Bacillus species isolated from rhizosphere of carnation to evaluate their growth promoting effect on carnation so as to select and
develop more efficient indigenous plant growth promoting and disease suppressing bioagents of specific soil type and specific
plant type. Maximum strains of Pseudomonas and Bacillus sp. showed significant antimicrobial activities against most of the microorganisms tested. On the basis of in vitro antagonistic
activities, the best strains were selected and used in field trial to study the influence of these strains on the growth of
carnation. Results have shown marked effect on growth parameters and disease incidence has also been reduced significantly. |
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Keywords: | Rhizobacteria Antagonistic activity Antifungal activity PGPR |
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