Genetic variability studies for yield and yield-related traits in F2 populations based on UASD Bt Cotton Event No.78
Abstract
Genetic variability for seed cotton yield and itscomponents were studied in three segregating F2 populations of cotton (Gossypium hirsutumL.). Significant variation was recorded for major traits in all the three F2 populations. Traits such as plant height (20 cm to 143 cm), bolls plant per plant (1 to 30), boll weight (2.0 g to 6.8 g) and seed cotton yield per plant (1.8 g to 115 g) exhibited wide range.High PCV and GCV estimates were recorded for all the traits under study except days to 50 per cent flowering and days to boll opening. High broad sense heritability and genetic advance over mean was observedin case of major yield attributing traits. Mid parent heterosis and inbreeding depression was significant for seed cotton yield per plant in the three F2 populations. The results suggest that the variation generated in the F2populations would be useful in selecting superior genotypes.
Keywords: Variability, Bt cotton, Heterosis, Inbreeding depression and per se performance
Genetic variability studies for yield and yield-related traits in F2 populations based on UASD Bt Cotton Event No.78
. 2023. Electronic Journal of Plant Breeding, 14 2, 608-615. Retrieved from https://www.ejplantbreeding.org/index.php/EJPB/article/view/4605It 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.
