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Potential of Fusarium spp. for biocontrol of downy mildew of grapes.

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Title Potential of Fusarium spp. for biocontrol of downy mildew of grapes.
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Creator Mahesh R. Ghule and Indu S. Sawant
 
Subject Biological control, grapes, Plasmopara viticola, Fusarium, mycoparasite
 
Description Not Available
Five Fusarium species viz. Fusarium delphinoides (MCC 1343), F. brachygibbosum (MCC 1344), F. pseudonygamai (MCC 1345, MCC 1346) and a Fusarium sp. (MCC 1347) isolated from Plasmopara viticola collected from vineyards were used for the studies. In in vitro studies, all Fusarium species coiled around P. viticola sporangiophores and caused distortion of sporangia. Pre-treatment of leaf discs with Fusarium species reduced sporangial production of P. viticola by 60 to 75%. Extracellular lytic enzymes screening showed that all five species produced beta-glucanase, chitinase and protease enzymes. In the small scale field trial the five species significantly reduced downy mildew incidence on leaves and bunch as compare untreated control. The area under disease progress curce (AUDPC) ranged from 199.25 to 212.41 for leaves and 29.69 to 55.79 for bunch in Fusarium treated vines. The AUDPC in untreated control was 331.47 on leaves and 185.32 on bunch. These Fusarium species show potential for biological control of downy mildew of grapes.
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Date 2018-12-04T05:41:37Z
2018-12-04T05:41:37Z
2017-12-29
 
Type Research Paper
 
Identifier Mahesh R. Ghule and Indu S. Sawant. 2017. Potential of Fusarium spp. for biocontrol of downy mildew of grapes. Pest Management in Horticultural Ecosystems, 23(2): 147-152.
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http://krishi.icar.gov.in/jspui/handle/123456789/15558
 
Language English
 
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Publisher Not Available