Evaluation of Phyto Extracts for the Management of Alternaria Leaf Spot of Black Gram (Vigna mungo L.) Caused by Alternaria alternata (Fr.) Keissler
Maddumala Vasu Babu, Abhilasha A. Lal
Journal of Experimental Agriculture International · pp. 858–863 · Published 16 Sep 2024
10.9734/jeai/2024/v46i92883Abstract
The present study was carried out to evaluate the effect of selected phyto-extracts for the management of alternaria leaf spot on black gram caused by Alternaria alternata (Fr.) Keissler, under field conditions. Three replications of black gram were planted in a randomized block design. At the research plot of the Central Research Field, Department of Plant Pathology, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj during Zaid season of 2023. Neem leaf extract, onion bulb extract, ginger rhizome extract, garlic clove extract, ashoka leaf extract and Mancozeb were applied as foliar spray. All the treatments were found significantly reduced the disease severity and increased the yield. Among all the treatments garlic clove extract @ 10% was recorded minimum disease intensity (25.62) and maximum yield (7.45 q/ha) and cost benefit ratio (1: 2.54), as compared to treated check mancozeb @ 0.2% and untreated check control.
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