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Assessment of bio control potential of Ampelomyces quisqualis against powdery mildew of grapes

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Title Assessment of bio control potential of Ampelomyces quisqualis against powdery mildew of grapes
Not Available
 
Creator Sujoy Saha, Nitin V. Phad, Dattatray Shinde, Ratna U. Thosar, Radhika Jamdade, Indu S. Sawant
 
Subject Ampelomyces quisqualis, Bio fungicide, Powdery mildew, Erysiphe necator, Grapes
 
Description Not Available
owdery mildew (Erysiphe necator) is one of the
most important biotic constraints in grape (Vitis-
vinifera L.) limiting the commercial production of
the crop in most of grape growing regions in India.
Disease management with fungicides is a common
practice but fungicide resistance and environmental
pollution issues have brought to the fore the extensive
use of biocontrol agents. Ampelomycesquisqualis is
a naturally occurring preventive biological fungicide
that hyper-parasitizes powdery mildew pathogen.
Evaluating the efficacy of Ampelomycesquisqualis
2% WP formulation against powdery mildew of
Tas-A-Ganesh variety was done. Five sprays of
Ampelomycesquisqualis 2.0% WP @ 6 g/L, 8 g/L
and 10 g/L were given at 10 days interval for disease
management. Among all treatments, foliar spray
application of Ampelomyces quisqualis 2.0% WP @
10 g/L manifested maximum efficacy in controlling
the disease on leaves and bunches with mean PDC
of 24.63 and 22.48 respectively. Untreated control
manifested mean PDI of 40.20 and 39.78 on leaves
and bunches. A significant increase of in marketable
yield was also observed. The results of this study
suggest that the Ampelomyces quisqualis 2.0% WP
10 g/L have potential to be used for the management
of grape powdery mildew.
Not Available
 
Date 2023-12-13T15:07:26Z
2023-12-13T15:07:26Z
2021-10-05
 
Type Research Paper
 
Identifier Not Available
0970-0420
http://krishi.icar.gov.in/jspui/handle/123456789/80962
 
Language English
 
Relation Not Available;
 
Publisher Not Available