ISSN: 2329-8863

Advances in Crop Science and Technology
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  • Research Article   
  • Adv Crop Sci Tech 2020,
  • DOI: 10.4172/2329-8863.1000451

Organic Management of Brown Spot and Sheath Blight of Rice Cultivar BRRIdhan29 under Field Condition Enhancing Grain Yield

Hyat Mahmud*, Ismail Hossain and Purnima Dey
*Corresponding Author : Hyat Mahmud, Department of Agricultural Extension, Agriculture Training Institute, Ishwardi, Pabna, Bangladesh, Tel: 01727182615, Email: mhyat81@gmail.com

Received Date: Mar 03, 2020 / Accepted Date: Mar 19, 2020 / Published Date: Mar 27, 2020

Abstract

BAU-Biofungicide (Trichoderma based preparation), extracts of garlic (Allium sativum L.) and neem (Azadirachta indica A. Juss.), Bavistin DF (Carbendazim) (positive control-1) and Potent 250 EC (Propiconazole) (positive control-2) were tested in controlling brown spot and sheath blight diseases of rice cv BRRI dhan29. Significant reduction in mycelial growth of Bipolaris oryzae and Rhizoctonia solani was observed with BAU-Biofungicide (2%) In vitro condition and reduced disease severity of brown spot and sheath blight was noted in the field. BAUBiofungicide (2%) exhibited grain yield 6325 kg/ha and propiconazole (0.1%) marked the highest (6470 kg/ha) grain yield, while the lowest yield (5120 kg/ha) was attained in control plot. Total cost of production (40851/-) per hectare was obtained in Potent (0.1%) and BAU-Biofungicide (2%) conferred 41260/-as compared to Potent (0.1%). Seed borne pathogen of harvested seeds was greatly diminished due to foliar spray of BAU-Biofungicide and Trichoderma harzianum was evidently viable in harvested seeds of sprayed plot with BAU-Biofungicide. BAU-Biofungicide (3%) also resulted in improving maximum vigour index (2284.10) in treated seeds. The results of the study assemble to the further investigation of Trichoderma as an antagonist in improving rice resistance, yield and quality of seed.

Keywords: BAU-Biofungicide; BRRI dhan29; Disease severity; Cost of Production; Management; Yield

Citation: Mahmud H, Hossain I, Dey P (2020) Organic Management of Brown Spot and Sheath Blight of Rice Cultivar BRRIdhan29 under Field Condition Enhancing Grain Yield. Adv Crop Sci Tech 8: 451. Doi: 10.4172/2329-8863.1000451

Copyright: © 2020 Mahmud H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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