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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2019, Vol. 7, Issue 4
Integrated disease management of downy mildew in bottle gourd (Lagenaria siceraria (Mol.) Stand)

RK Bagri, J Singh, SK Goyal, Nitin Chawla and Manju Kumari

Downy mildew disease of bottle gourd (Lagenaria siceraria (Mol.) Standl) is one of the most important foliar diseases, causing significant loss in India. downy mildew disease found to cause serious losses in bottle gourd crop throughout Rajasthan and other states. Characteristic symptoms are first appear as pale green area on the upper surface of leaves that changes to bright yellow angular or rectangular spots. Leaf spot are irregular or blocky in appearance and are delimited by leaf veins. The minimum disease incidence (4.09%) and maximum yield (338.5q/ha) were observed in treatment T5(T0+ Seed treatment with carbendazim 12%+ mancozeb 63% @ 3 g/kg and drenching of Captan 70% +Hexaconazole 5% WP @ 0.1% 15 days after germination followed by spraying of Tebuconazole 50% + Trifloxystrobin 25% @1g/l + spray with (Imidacloprid 17.8 SL @ 7.5 ml/ 15 l + Neem oil 0.2%) followed by Fosetyl-Al @ 0.1% followed by spraying of Tebuconazole 50% + Trifloxystrobin 25% @1g/l + spray with (Imidacloprid 17.8 SL @ 7.5 ml/ 15 l + Neem oil 0.2%) followed by Fosetyl-Al @ 0.1% at 10 days interval) while maximum disease incidence (28.54%)and minimum yield (225.7 q/ha)were observed in treatment T7(Control). Natural products such as herbal extracts may provide alternatives to synthetic fungicides.
Pages : 315-317 | 1122 Views | 580 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
RK Bagri, J Singh, SK Goyal, Nitin Chawla, Manju Kumari. Integrated disease management of downy mildew in bottle gourd (Lagenaria siceraria (Mol.) Stand). J Entomol Zool Stud 2019;7(4):315-317.

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