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Microscopic fungi antagonistic to chestnut blight- Cryphonectria parasitica (Murrill) Barr.

By: Irina Danelia, Nino Zakariashvili, Gulnara Badridze, Lali Kutateladze, Maia Jobava, Nino Lomidze, Ketevan Benashvili

Key Words: Chestnut blight, Cryphonectria parasitica, Antagonist micromycetes

Int. J. Micro. Myco. 7(3), 14-23, May 2018.

Certification: ijmm 2018 0015 [Generate Certificate]

Abstract

The extent of cryphonecrosis among the chestnut populations of three Imeretian (west Georgia) villages: Darka, Eto, and Chala has been evaluated. 23 strains of Cryphonectria parasitica (Murrill) Barr (syn. Endothia parasitica (Murrill) were isolated and identified from the bark of sick trees. The collection of strains of the plant pathogen fungus has been created. The strategy of the struggle against the chestnut blight, based on the application of antagonistic to C. parasitica microscopic fungi, has been elaborated. For this purpose 50 strains of different microscopic fungi were isolated and identified (till genus) from the soil samples picked just under the stems of sick trees of above mentioned locations. The dominating genera of micromycetes in forest brown soils have been revealed. Strong biological antagonists of the plant pathogenic fungus, belonging to genera Penicillium, Trichoderma and Aspergillus have been selected on the base of the investigation of antagonistic activity of the “aboriginal” flora of studied soils. The collection of antagonistic to C. parasitica microscopic fungi, among them of new biological agents, has been created. The vegetative compatibility of the isolated strains of C. parasitica was investigated as well.

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Microscopic fungi antagonistic to chestnut blight- Cryphonectria parasitica (Murrill) Barr.

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Irina Danelia, Nino Zakariashvili, Gulnara Badridze, Lali Kutateladze, Maia Jobava, Nino Lomidze, Ketevan Benashvili.
Microscopic fungi antagonistic to chestnut blight- Cryphonectria parasitica (Murrill) Barr..
Int. J. Micro. Myco. 7(3), 14-23, May 2018.
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