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Study of compatability of novel fungicides against various biocontrol agents used in grapes.

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Title Study of compatability of novel fungicides against various biocontrol agents used in grapes.
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Creator Anjali Singh, Vijayshree Chavan, Ratna Uttam Thosar, Shreya Chakraborty and Sujoy Saha.
 
Subject Biocontrol agents, compatibility, copper, grapes, phosphonates, phytotoxicity
 
Description Not Available
An experiment was conducted with the objective to find out the compatibility of novel copper (NC101
and NCP102) and phosphonate (PN103 and PMN104) based fungicides with different antagonists used
as biocontrol agents in grapes. Fungicides at different concentrations were screened against thirteen
biocontrol agents which included seven isolates of Trichoderma sp., Bacillus subtilis, Bacillus
licheniformis, Pseudomonas fluroscens and 3 bioinsecticides viz. Beauveria bassiana,Verticilium sp.
and Paecilomyces sp. Experiment was carried out at ICAR-National Research Centre for Grapes,
Pune. All the Trichoderma species were nearly compatible to both the copper and phosphonate based
fungicide. Bacterial biocontrol agents namely Bacillus subtilis, Bacillus licheniformis and Pseudomonas
fluroscens were found to be totally non compatible to all the novel fungicides. However entomopathogenic
fungi Beauveria bassiana, Verticillium lecanii and Paecilomyces lilacinus showed mixed responses
for both the formulations. Beauveria bassiana was completely inhibited by fungicide PN103 and PMN104
whereas inhibition of Verticillium lecanii was more than 60% at higher concentrations in phosphonates,
Paecilomyces lilacinus was completely inhibited by fungicide PMN104 at 3000 and 4000 ppm. All the
chemicals exhibited decreased tendency of compatibility with increase in concentration. The phytotoxicity
effects of the novel fungicides on different varieties of grapes were found to be negative and,
therefore the novel fungicides can be considered safe for use.
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Date 2023-12-13T15:09:34Z
2023-12-13T15:09:34Z
2022-03-28
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/80964
 
Language English
 
Relation Not Available;
 
Publisher ndian Mycological Society, Department of Botany, University of Calcutta, Kolkata 700 019, India