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P-ISSN: 2349-8528, E-ISSN: 2321-4902   |   Impact Factor: GIF: 0.565 NAAS Rating: 5.31 NEW

International Journal of Chemical Studies

Vol. 5, Issue 1 (2017)
Effect of bio control agents and botanicals against Blast of Paddy caused by Pyricularia oryzae


Author(s): Surender Kumar, Abhilasha A Lal, Narender Kumar, Shweta Jaiswal, Harish Kumar, Amit Kumar and Mohit Kumar

Abstract: Rice blast caused by Pyricularia oryzae cave continues to be a major constraint in rice production. Since, the existing chemical control measures being costly and may favor development of resistance in pathogens, the potential alternative methods have been explored in the present studies. Bio control agents Trichoderma viride, T. harzianum, Pseudomonas fluorescens and botanicals neem oil and neem oil + neem leaf extract (Azadirachta indica) were evaluated their efficacy against blast of rice (Pusa Basmati 1121). Carbendazim was used for standard check fungicides for comparison. The results concluded that the P. fluorescens inhibit the blast (21.99%) as compared to treated and untreated control (18.57% and 34.15 %, respectively) when T. viride is best bio-control (24.53%) which was followed by T. harzianum (23.08%) neem oil (26.20%) and neem oil + neem leaf extract (24.15%) inhibit the blast respectively.

Pages: 314-318  |  681 Views  23 Downloads

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How to cite this article:
Surender Kumar, Abhilasha A Lal, Narender Kumar, Shweta Jaiswal, Harish Kumar, Amit Kumar, Mohit Kumar. Effect of bio control agents and botanicals against Blast of Paddy caused by Pyricularia oryzae. Int J Chem Stud 2017;5(1):314-318.
International Journal of Chemical Studies