International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
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Genetic Variability and Correlation Studies in Brassica Napus L. Genotypes

Volume 2, Issue 4, April 2013, Pages 574–581

 Genetic Variability and Correlation Studies in Brassica Napus L. Genotypes

Syed Noor Ul Abideen1, Faisal Nadeem2, and Syed Ainul Abideen3

1 Institute of Biotechnology and Genetic Engineering, The University of Agriculture, Peshawar, Pakistan
2 Department of Plant Breeding and Genetics, The University of Agriculture, Peshawar, Pakistan
3 Department of Medical Cell Biology, University of Bergen, Bergen, Norway

Original language: English

Received 18 February 2013

Copyright © 2013 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This research work was carried out at The University of Agriculture, Peshawar during crop season year 2011-12. The objectives were to study the genetic variability and correlation among different traits in Brassica napus L. Data were recorded on agronomic and quality traits. The breeding material comprised 8 genotypes of Brassica napus L. These genotypes were evaluated in replicated trial in a randomized complete block design (RCBD) with three replications. Results revealed highly significant differences among the genotypes for most of the traits. Non-significant differences were, however, observed among the genotypes for primary branches plant-1 and pods plant-1. Genotype 1 was found superior for most of the traits i.e maximum oleic acid content etc. Correlation analysis presented highly significant positive phenotypic correlation of plant height with pods main raceme-1 and pod length seed yield exhibited significant positive phenotypic correlation with pods plant-1, protein content and moisture content. Similarly significant negative phenotypic correlation of oleic acid content with oil and erucic acid content was also observed. From the results it can be concluded that Genotype 2 can be used for developing superior genotypes for seed yield, seed pod-1 and protein content while Genotype 7 can be used for yielding high oil content. The significant and positive correlation of seed yield plant-1 with pods plant-1 and protein content was important in making indirect selection for seed yield.

Author Keywords: Brassica napus L, Genotypes, Linolenic acid content, Correlation, Variability.

How to Cite this Article

Syed Noor Ul Abideen, Faisal Nadeem, and Syed Ainul Abideen, “Genetic Variability and Correlation Studies in Brassica Napus L. Genotypes,” International Journal of Innovation and Applied Studies, vol. 2, no. 4, pp. 574–581, April 2013.