Bioefficacy of Trichoderma isolates against soil-borne pathogens | Zendy

N. Srinivasa | Zendy; Prameela Devi T. | Zendy; S. Sudhirkumar | Zendy; Deeba Kamil | Zendy; Lekha Borah Jyoti | Zendy; N. Prabhakaran | Zendy

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Bioefficacy of Trichoderma isolates against soil-borne pathogens

Author(s) -

N. Srinivasa,

Prameela Devi T.,

S. Sudhirkumar,

Deeba Kamil,

Lekha Borah Jyoti,

N. Prabhakaran

Publication year - 2014

Publication title -

african journal of microbiology research

Language(s) - English

Resource type - Journals

ISSN - 1996-0808

DOI - 10.5897/ajmr2013.6588

Subject(s) - trichoderma , biology , trichoderma harzianum , sclerotium , antagonism , fusarium oxysporum , conidium , biological pest control , rhizoctonia solani , fusarium , horticulture , botany , microbiology and biotechnology , biochemistry , receptor

The study of morphology and bioefficacy of Trichoderma was undertaken to select the effective isolates against soil-borne pathogens. Fifty one (51) isolates (23 isolates of Trichoderma virens and 28 isolates of Trichoderma harzianum) were morphologically characterised based on the growth characteristics on PDA medium, the size and shape of phialides and conidia.These isolates were screened for bioefficacy against soil borne plant pathogens (Fusarium oxysporum, Rhizoctonia solani and Sclerotium rolfsii) based on their percent inhibition observed during dual culture, volatile and non-volatile methods. Eight T. virens isolates and 12 T. harzianum isolates were proven to be potential isolates against the soil-borne pathogens tested. No correlation was found between bioefficacy and morphology in both species isolates.

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