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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(7): 1530-1537
DOI: https://doi.org/10.20546/ijcmas.2019.807.182


Hrishikesh Ojah, et alGenetic Variability for Yield and Yield Contributing Traits of Rice under Aerobic Condition in Assam, India
Hrishikesh Ojah1*, P. Talukdar2, D. Sarma2 and Rumjhum Goswami2
 1SCS College of Agriculture, AAU, Dhubri-783376
2Department of PBG, AAU, Jorhat-13, India
*Corresponding author
Abstract:

An investigation had been taken up to assess few rice genotypes for their inclusion in breeding programme to develop varieties suitable for aerobic cultivation. The experiment was carried out at the experimental field of Sarat Chandra Sinha College of Agriculture, Assam Agricultural University, Dhubri. Evaluation of fifteen rice genotypes, comprising ten traditional cultivars and five high yielding varieties both in aerobic and irrigated lowland situations revealed sufficient variability and interaction of the genotypes with the environment. Pooled analysis of variance revealed significance of G x E interaction in the expression of most of the characters. Expression of all the traits except panicle harvest index, 100 grain weight and root shoot ratio were significantly differed in both the environments. For most of the characters, mean values were estimated to be higher under irrigated lowland condition, whereas, the ranges of the characters were found to be higher under aerobic condition. The magnitude of difference between correspondence phenotypic coefficient of variance (PCV) and genotypic coefficient of variance (GCV) were lower in aerobic condition, coupled with relatively higher estimates of heritability and genetic advance. Proline content, height growth rate, shoot weight, grain yield and plant height exhibited high heritability with high genetic advance as percent of mean hence, these characters showed promise in bringing genetic improvement under selection in aerobic condition.


Keywords: Aerobic rice, Genetic variability, Heritability, G x E interaction and Genetic advance
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How to cite this article:

rishikesh Ojah, P. Talukdar, D. Sarma and Rumjhum Goswami. 2019. Genetic Variability for Yield and Yield Contributing Traits of Rice under Aerobic Condition in Assam.Int.J.Curr.Microbiol.App.Sci. 8(7): 1530-1537. doi: https://doi.org/10.20546/ijcmas.2019.807.182