Pharmacognosy

Journal of Pharmacognosy and Phytochemistry

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Journal of Pharmacognosy and Phytochemistry

Vol. 6, Issue 4 (2017)

Efficacy of botanicals and bio-agents against powdery mildew disease of garden pea (Pisum sativum L.)

Author(s): Vivek Mishra, Abhilasha A Lal and Sobita Simon
Abstract: Five treatments viz. neem leaf extract @ 3%, eucalyptus leaf extract @ 3%, neem oil @ 3%, Trichoderma harzianum @ 3% and Pseudomonas flourescens @ 0.2% were applied as foliar spray as two doses at the interval of ten days. Hexaconazole @ 0.1% was used as treated check whereas, distilled water was used as untreated check. From the results, it is evident that all the treatments exhibited effectiveness over the powdery mildew of pea. However, among the treatments, neem oil was found to be the most effective organic amendment performing better than others in controlling powdery mildew disease of pea. The minimum per cent disease incidence was found in neem oil (31.80%) followed by eucalyptus leaf extract (34.33%), neem leaf extract (37.20%), Pseudomonas flourescens (35.93%) and Trichoderma harzianum (42.02%) as compared to treated check (28.77%) and untreated check (51.33%). Maximum pod yield (q/ha) was observed in neem oil (12.6 q/ha) which was followed by eucalyptus leaf extract (11.5 q/ha), neem leaf extract (11.1 q/ha), Pseudomonas flourescens (10.6 q/ha) and Trichoderma harzianum (10.2 q/ha) as compared to treated check (13.1 q/ha) and untreated check (7.6 q/ha).
Pages: 1125-1126  |  618 Views  23 Downloads
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