alexa Inter Specific Indica-japonica Drought Tolerant Rice Ge
ISSN: 2375-4338

Rice Research: Open Access
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Research Article

Inter Specific Indica-japonica Drought Tolerant Rice Genotypes for Aerobic Condition

J Aravind, Farhad Kahani and Shailaja Hittalmani*
Marker Assisted Selection Laboratory, Genetics and Plant Breeding, University of Agricultural Sciences, GKVK, Bangalore 560065, India
Corresponding Author : Shailaja Hittalmani
Professor and University Head
Genetics and Plant Breeding
University of Agricultural Sciences
GKVK, Bangalore 560065, India
Tel: 91-8023624967
E-mail: [email protected]
Received: October 02, 2015; Accepted: November 02, 2015; Published: November 06, 2015
Citation: Aravind J, Kahani F, Hittalmani S (2015) Inter Specific Indica-japonica Drought Tolerant Rice Genotypes for Aerobic Condition. J Rice Res 3:154. doi:10.4172/2375-4338.1000154
Copyright: © 2015 Aravind J, 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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Abstract

Rice is premier food crop of Asia and is cultivated in a variety of ecosystems. Twenty six medium duration Indica/Japonica, Recombinant Inbred Lines (RILs) of the cross IR50 × Moroberekan cross, their parents and popular rainfed aerobic rice varieties MAS 946-1, Rasi and Sahabhagi Dhan were evaluated under rain fed, drought and aerobic conditions with objective of identifying genotype for aerobic and stress situations. Observations were recorded for plant and yield traits. Field evaluation during wet season revealed significant differences among the means of genotypes except for panicle length, drought recovery score, relative grain yield and relative biomass yield under different stress levels during dry season of 2011. RILs IM036, IM095, IM090, IM014, IM167, IM039, IM192 and IM176 performed superior under aerobic condition in wet season while, IM192 and IM176 were superior under rain fed condition also. IM160, IM096, IM104, IM046 IM192, IM109, IM36, IM181, IM14, IM176, IM167 and IM95 were high yielding in aerobic condition in dry season 2011. IM 167 was superior for grain yield under both conditions except under moisture stress period of 60 to 70 Days after sowing (DAS). IM95 was superior for stress period of 100 to 115 DAS and aerobic condition, whereas IM176 for aerobic and stress period 60 to 70 DAS. IM181 was superior under all the conditions after 60 to 75 DAS. IM36 was superior under all the conditions except for stress period 100 to 110 DAS. Superior genotypes identified for both drought and aerobic situations will be recommended for water scarce situation in India.

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