American Journal of Plant Sciences

Volume 12, Issue 4 (April 2021)

ISSN Print: 2158-2742   ISSN Online: 2158-2750

Google-based Impact Factor: 1.20  Citations  h5-index & Ranking

In Vitro Efficacy of Botanicals against Rice Blast Pathogen Magnaporthe oryzae oryzae

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DOI: 10.4236/ajps.2021.124045    625 Downloads   2,284 Views  Citations

ABSTRACT

Rice is the most staple cereal crop of Bangladesh and rice blast caused by Magnaporthe oryzae oryzae (MoO) has become a major factor limiting rice yield in Bangladesh and throughout the world. Eight botanicals extracted both in water and ethanol namely Kalijira (Nigella sativa), Turmeric (Curcuma longa), Ginger (Zingiber officinalis), Garlic (Allium sativum), Onion (Allium cepa), Neem (Azadirachta indica), Allamanda (Allamanda cathartica) and Aloevera (Aloe vera) were tested against MoO in vitro in the Mycology Laboratory, Department of Plant Pathology, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh. All the botanicals significantly reduced radial growth of the tested pathogen. Maximum mycelia growth inhibition of MoO was achieved with water extract of turmeric (1:1 w/v) and ethanol extracts of neem (1:4 w/v) with 86.57% and 92.62% mycelia growth inhibition at 14 DAI, respectively.

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Nazifa, Z. , Aminuzzaman, F. , Laila, L. and Rehena, M. (2021) In Vitro Efficacy of Botanicals against Rice Blast Pathogen Magnaporthe oryzae oryzae. American Journal of Plant Sciences, 12, 662-678. doi: 10.4236/ajps.2021.124045.
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