Evaluation of Phyto-extracts for the Management of Alternaria Leaf Blight of Cluster Bean (Cyamopsidis tetragonoloba L.) Caused by Alternaria cucumerina

Engile Ravi Teja

Department of Plant Pathology, SHUATS, India.

Abhilasha A. Lal *

Department of Plant Pathology, SHUATS, India.

*Author to whom correspondence should be addressed.


Abstract

The present study was carried out to evaluate the effect of selected phyto-extracts for the management of alternaria leaf blight of cluster bean (Cyamopsidis tetragonoloba L.) caused by Alternaria cucumerina under field conditions. Three replications of cluster bean were planted in a randomized block design at the research plot of the Central Research Field, Department of Plant Pathology, SHUATS, Prayagraj during Zaid season of 2023. Ginger rhizome extract @ 10%, onion bulb extract @ 10%, eucalyptus leaf extract @ 10%, neem leaf extract @ 10%, garlic clove extract @ 10% and mancozeb 0.2% 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 (29.63) and maximum yield (2.50 t/ha). Neem leaf extract @ 10% was recorded maximum cost benefit ratio (1: 1.80), as compared to treated mancozeb @ 0.2%(treated) and T0 control.

Keywords: Alternaria cucumerina, Cyamopsidis tetragonoloba, foliar spray, botanicals, cost benefit ratio, ginger, onion, neem, garlic, eucalyptus


How to Cite

Teja, Engile Ravi, and Abhilasha A. Lal. 2024. “Evaluation of Phyto-Extracts for the Management of Alternaria Leaf Blight of Cluster Bean (Cyamopsidis Tetragonoloba L.) Caused by Alternaria Cucumerina”. Journal of Experimental Agriculture International 46 (11):35-40. https://doi.org/10.9734/jeai/2024/v46i113025.