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Ammar, M., Amer, G., All, A. (2018). INTEGRATED CONTROL OF DOWNY MILDEW DISEASE IN GRAPE. Menoufia Journal of Plant Protection, 3(2), 85-86. doi: 10.21608/mjapam.2018.123593
M. M. Ammar; G. A. Amer; A. M. Abdel- All. "INTEGRATED CONTROL OF DOWNY MILDEW DISEASE IN GRAPE". Menoufia Journal of Plant Protection, 3, 2, 2018, 85-86. doi: 10.21608/mjapam.2018.123593
Ammar, M., Amer, G., All, A. (2018). 'INTEGRATED CONTROL OF DOWNY MILDEW DISEASE IN GRAPE', Menoufia Journal of Plant Protection, 3(2), pp. 85-86. doi: 10.21608/mjapam.2018.123593
Ammar, M., Amer, G., All, A. INTEGRATED CONTROL OF DOWNY MILDEW DISEASE IN GRAPE. Menoufia Journal of Plant Protection, 2018; 3(2): 85-86. doi: 10.21608/mjapam.2018.123593

INTEGRATED CONTROL OF DOWNY MILDEW DISEASE IN GRAPE

Article 6, Volume 3, Issue 2, March and April 2018, Page 85-86  XML PDF (310.99 K)
Document Type: Original Article
DOI: 10.21608/mjapam.2018.123593
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Authors
M. M. Ammar1; G. A. Amer1; A. M. Abdel- All2
1Prof. of Plant Pathology, Fac. of Agric., Menoufia Univ.
2Lecturer of Plant Physiology, Fac. of Agric., Menoufia Univ.
Abstract
The present study was conducted at 2015 and 2016 to fined out the best ecofriendly method(s) to control downy mildew disease of grapes ( Plasmopara viticola  Berk & Curt) . Water extracts of castor, oleander and mintha significantly reduced the disease incidence , increased chlorophyll and carotein contents , improved plant water relations and increased yield production , than the non-treated control plants.
-  The same observations were obtained using emulsion oils of castor, thyme and mintha . Castor water extract and emulsion oils showed the best results .
-  Aplication of Bacillus subtilis alone or in combination with Trichoderma harzianum (5g/l + 2.5m/l) respectively gave much better results of disease managment, physiological aspects and yield components .
-  Integration of the biocontrol agents with plant extracts and /or plant oils gave good results , and the best was obtained when thyme oil was integrated with Bacillus subtilis (10⁶ cfu). Individual application of the recommended fungicides severly reduced the disease severity of infection, improved the physiological statues and significantly increased yield production of both Crimson and Flame grape cultivars.
Keywords
Plant extracts; Plant oils; Downy mildew; Plasmopara viticola; photosynthetic pigments; Water relations and Yied and its components
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