Genetic Variation on Upland Rice (Oryza sativa L.) Landraces of Nagalandâ€


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Authors

  • G. Gurung
  • K. Seyie
  • M. B. Sharma
  • R. Kolom
  • C. Ozukum

Keywords:

upland rice, heritability, variability, correlation coefficient

Abstract

The success of most crop improvement programs largely depends upon the genetic variability and the heritability of desirable traits. The magnitude and type of genetic variability help the breeder to determine the selection criteria and breeding schemes to be
used for improvement purposes. An experiment was conducted under NU: SASRD during kharif 2015 to estimate the genetic variability, heritability and correlation coefficient in ten genotypes of upland paddy evaluated in a randomized block design with three replications. Observations were recorded for ten quantitative traits. Genetic variability analysis revealed that, the genotypic coefficient of variation was highest for grain yield per plant followed by percent sterile spikelets, panicle weight, and ear bearing tillers. Heritability values for almost all the characters were found to be high. High heritability with high genetic advance was found for plant height. Percent sterile spikelets showed high heritability with moderate value of genetic advance. Grain yield per plant showed strong significant positive genotypic association with 100 seed weight, panicle weight, ear bearing tillers and panicle length.

Author Biographies

  • G. Gurung
    Department of Genetics and Plant Breeding, School of Agricultural Sciences & Rural Development Nagaland University
    Medziphema – 797106, Nagaland
  • K. Seyie
    Department of Genetics and Plant Breeding, School of Agricultural Sciences & Rural Development Nagaland University
    Medziphema – 797106, Nagaland
  • M. B. Sharma
    Department of Genetics and Plant Breeding, School of Agricultural Sciences & Rural Development Nagaland University
    Medziphema – 797106, Nagaland
  • R. Kolom
    Department of Genetics and Plant Breeding, School of Agricultural Sciences & Rural Development Nagaland University
    Medziphema – 797106, Nagaland
  • C. Ozukum
    Department of Genetics and Plant Breeding, School of Agricultural Sciences & Rural Development Nagaland University
    Medziphema – 797106, Nagaland

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Submitted

2018-08-13

Published

2018-08-14

Issue

Vol. 31 No. 1 (2018)

Section

Articles

License

Submission of a manuscript implies that when the manuscript is accepted for publication, the authors agree to automatic transfer of the copyright to the publisher. The Indian Association of Hill Farming (IAHF), as the publisher, has the right to enter into any agreement with any organization in India or abroad engaged in reprography, photocopying, storage and dissemination of information contained in these journals. The IAHF has no objection in using the material, provided the information is being utilized for academic purpose but not for commercial use. Due credit line should be given to IAHF where information will be utilized.

How to Cite

Gurung, G., Seyie, K., Sharma, M. B., Kolom, R., & Ozukum, C. (2018). Genetic Variation on Upland Rice (Oryza sativa L.) Landraces of Nagaland”. Indian Journal of Hill Farming, 31(1). https://epubs.icar.org.in/index.php/IJHF/article/view/82329