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Vol. 8, Issue 6 (2019)

A study on Bio-efficacy of Bacillus subtilis based bio-fungicide on late blight, yield and yield attributes of potato (Solanum tuberosum L.) cv. Kufri Jyoti

Author(s):
Vikrant Mishra, Pravisha Pandey and Anand Kumar Singh
Abstract:
The present investigation was carried out at Vegetable Research Farm, Department of Horticulture, Institute of Agricultural Sciences, B.H.U., Varanasi, India during rabi season 2014-15. The study was carried out to judge the performance of Bacillus subtilis based bio-fungicide ‘Taegro’ on early blight diseases of potato with yield and yield traits. Potato cultivar Kufri Jyoti was used for investigation because it is one of the leading potato cultivar grown in eastern U.P. conditions. The experiment was laid out in randomized block design with three replications. Sowing was done on 13th and 14th November, 2014. Treatments were consisting of fungicide viz., Dithane M-45, Revus, Taegro and Trichoderma. They were used in different concentration and combination with control. The bio-fungicide Taegro (Bacillus subtilis var. Amyloliquefaciens Strain FZB24) exhibited significant potential in reducing the late Blight disease incidence and their severity in potato as compared to untreated control whereas combined used of Taegro with standard chemical Dithane M-45 (Mancozeb 75% WP) and Revus [Mandipropamid (MPD)] gave better result than Taegro (Bacillus subtilis var. Amyloliquefaciens Strain FZB24) alone, as a consequences, this may be used as part of an integrated disease management approach thereby to reduce the use of standard chemical fungicides at higher doses to which the fungus may develop resistance.
Pages: 493-500  |  356 Views  104 Downloads


The Pharma Innovation Journal
How to cite this article:
Vikrant Mishra, Pravisha Pandey, Anand Kumar Singh. A study on Bio-efficacy of <em>Bacillus subtilis</em> based bio-fungicide on late blight, yield and yield attributes of potato (<em>Solanum tuberosum</em> L.) cv. Kufri Jyoti. Pharma Innovation 2019;8(6):493-500.

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