International Journal of Plant Protection

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Efficacy of Garlic Extract and Yeast for the Control of Post Harvest Diseases of Grape


Affiliations
1 Department of Plant Pathology and Agricultural Microbiology, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar (M.S.), India
     

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The present investigations were carried out with collection of diseased samples, isolation of the organisms responsible for post harvest spoilage, their pathogenicity, symptomatology, morphological characters and effect of temperature on growth and sporulation in order to suggest suitable control measures in respect of yeast as a bioagent and garlic extract as a botanical in controlling post harvest fungal diseases of grape. The causal organisms were isolated from infected grape berries and recorded association of three fungal pathogens viz., Aspergillus niger, Alternaria alternata and Penicillium digitatum. The conidial size of A. niger, A. alternata and P. digitatum are measured as 4.4 μm, 42.47 x 16.37 μm and 4.33 – 4.5 μm in size (average), respectively. Use of 5 per cent yeast, (Eremothecium cymbalariae) was found effective against Aspregillus niger (both in vitro and in vivo) and 1 per cent garlic extract was found effective against Alternaria alternata (both in vitro and in vivo).Both yeast and garlic extract increases shelf-life and market quality of fruits, with increase in glossiness of fruits. Temperature 27 ±10C was found optimum for both growth and sporulation of all isolated fungal pathogens.

Keywords

Grape, Yeast, Garlic Extract, Bioagents, Disease Control.
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  • Efficacy of Garlic Extract and Yeast for the Control of Post Harvest Diseases of Grape

Abstract Views: 293  |  PDF Views: 1

Authors

R. P. Shinde
Department of Plant Pathology and Agricultural Microbiology, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar (M.S.), India
B. G. Barhate
Department of Plant Pathology and Agricultural Microbiology, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar (M.S.), India
M. S. Bandgar
Department of Plant Pathology and Agricultural Microbiology, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar (M.S.), India

Abstract


The present investigations were carried out with collection of diseased samples, isolation of the organisms responsible for post harvest spoilage, their pathogenicity, symptomatology, morphological characters and effect of temperature on growth and sporulation in order to suggest suitable control measures in respect of yeast as a bioagent and garlic extract as a botanical in controlling post harvest fungal diseases of grape. The causal organisms were isolated from infected grape berries and recorded association of three fungal pathogens viz., Aspergillus niger, Alternaria alternata and Penicillium digitatum. The conidial size of A. niger, A. alternata and P. digitatum are measured as 4.4 μm, 42.47 x 16.37 μm and 4.33 – 4.5 μm in size (average), respectively. Use of 5 per cent yeast, (Eremothecium cymbalariae) was found effective against Aspregillus niger (both in vitro and in vivo) and 1 per cent garlic extract was found effective against Alternaria alternata (both in vitro and in vivo).Both yeast and garlic extract increases shelf-life and market quality of fruits, with increase in glossiness of fruits. Temperature 27 ±10C was found optimum for both growth and sporulation of all isolated fungal pathogens.

Keywords


Grape, Yeast, Garlic Extract, Bioagents, Disease Control.

References