International Journal of Chemical Studies
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P-ISSN: 2349-8528, E-ISSN: 2321-4902   |   

Vol. 5, Issue 4 (2017)

Efficacy of plant extracts against anthracnose (Colletotrichum lindemuthianum) of green gram (Vigna radiata L.)


Author(s): Rajendra Singh Choudhary, Sobita Simon and Sita Ram Bana

Abstract: Green gram is one of the important pulse crop and rich in protein content (18-31%) and play an important role in human and animal nutrition. In vitro studies were carried out using Garlic bulb extract, Neem leaf extract, Ginger rhizome extract, Dhatura leaf extract, Mehandi leaf extract against Colletotrichum lindemuthianum. Among the treatment Garlic bulb extract was found most effective and recorded significantly highest growth inhibition (80.56%) of Colletotrichum lindemuthianum as compared to treated carbendazim 0.1% (93.07%) and untreated control. Other plant extracts showed significant inhibition growth of Colletotrichum lindemuthianum were Neem leaf extract 10% (78.83%), Ginger rhizome extract 10% (74.38%), Dhatura leaf extract 10% (70.91 %) and Mehandi leaf extract 10% (64.60 %). In field evaluation a significant difference in the per cent disease intensity was observed. The minimum per cent disease intensity was recorded in Neem leaf extract 10% (23.57 %) as compared to treated carbendazim 0.1% (20.23%) and untreated control (37.60%), and other plant extracts showed the Garlic bulb extract 10% (26.86 %), Ginger rhizome extract 10% (28.85 %), Dhatura leaf extract 10% (32.31 %) and Mehandi leaf extract 10% (34.83 %). The most economical treatment which recorded highest cost: benefit ratio was the Neem leaf extract (C:B ratio, 1:1.69) as compared to treated carbendazim 0.1% (1:1.87) and untreated control (1:1.07). Other plant extracts such as Garlic bulb extract (1:1.40), Ginger rhizome extract (1:1.51), Dhatura leaf extrect (1:1.34) and Mehandi leaf extract (1:1.22)

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How to cite this article:
Rajendra Singh Choudhary, Sobita Simon, Sita Ram Bana. Efficacy of plant extracts against anthracnose (Colletotrichum lindemuthianum) of green gram (Vigna radiata L.). Int J Chem Stud 2017;5(4):769-772.
 

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