Assessment of frequency distribution for the morphological and yield related traits in BC1F1, BC2F1 and BC2F2 populations in sweet corn

 

DOI: 10.37992/2022.1304.164

  • Krishnakumar Rathinavel,
  • Sarankumar Chandran,
  • Bharani Manoharan,
  • Uma Doraiswamy,
  • Ravikesavan Rajasekaran,
  • John Kenedy Zachariah and Senthil Natesan

Abstract

The nature of gene action and the number of genes controlling the traits are the vital criteria for the selection of traits. The present study is to analyze the range of variations within the population and as well as the skewness and kurtosis in backcross and selfed sweet corn populations USC1-2-3-1× UMI1230β+ and SC1107×UMI1230β+. In the BC2F2 population of SC1107×UMI1230β+, most of the traits showed positive skewness and platykurtic distribution which indicated that complementary gene action  played a role and more number of genes is controlling the traits. In USC1-2-3-1× UMI1230β+, single plant yield recorded positive skewness. In some traits such as, the number of tassel branches, cob girth, and leaf breadth showed negative skewness and platykurtic distribution was also observed in both the cross combination which indicated prevalence of duplicate gene action. In order to fix an individual trait and for rapid genetic gain, duplicate gene action is required.

 Keywords: Sweet corn, Skewness, Kurtosis, Gene action. 

Published
11-01-2023
How to Cite
Krishnakumar Rathinavel, Sarankumar Chandran, Bharani Manoharan, Uma Doraiswamy, Ravikesavan Rajasekaran, John Kenedy Zachariah and Senthil Natesan

Assessment of frequency distribution for the morphological and yield related traits in BC1F1, BC2F1 and BC2F2 populations in sweet corn

andnbsp;

. 2023. Electronic Journal of Plant Breeding, 13 4, 1297-1304. Retrieved from https://ejplantbreeding.org/index.php/EJPB/article/view/4552
Issue
Vol 13 No 4 (2022): EJPB
Section
Research Article

It is certified that:

  • The corresponding author is fully responsible for any disputes arising due to the publication of his/her manuscript.
  • The article has been seen by all the authors who are satisfied with its form and content.
  • The sequence of names of authors in the by-line is as per their relative contribution to this experiment, giving due credit to all scientists who made notable contribution to it.
  • All the authors fully understand that inclusion of any other co-authors or exclusion of any co-authors is not possible once the article has been submitted to the journal.
  • The corresponding author takes full responsibility for this article.
  • The address of the organization where the research was conducted is given.
  • The article is exclusive for this journal, and the results reported here have not been sent (and will not be sent during its consideration by this journal) for publication in any other journal.
  • Authors agree to abide by the objective comments of referees and do agree to modify the article into a short note as per the recommendation, for publication in the Electronic Journal of Plant Breeding.
  • If published in Electronic Journal of Plant Breeding, the copyright of this article would vest with the Indian Society of Plant Breeders, who will have 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 it, and neither we nor our legal heirs will have any claims on royalty.