Genetic divergence for grain yield and its components in bread wheat (Triticum aestivum L.)
An investigation about the genetic diversity among 68 wheat genotypes using yield and yield attributing traits was studied at the Agriculture Research Farm, Lovely Professional University, Phagwara (Punjab). Based on Mahalanobis D2 statistic, the 68 genotypes were grouped in to five clusters. Maximum intra-cluster distance was observed in cluster III (150.64). The highest inter-cluster distance which was observed between clusters II and III (488.73). For yield improvement, hybridization between genotypes in cluster II characterised by highest mean value for 1000 grains weight and cluster III containing genotypes exhibiting highest mean value for harvest index would be promising. High mean grain yield was observed in cluster X (37.62). Protein content (50.13) and days to 50% heading (31.43) contributed maximum towards total divergence.
Keywords: Genetic diversity, Mahalanobis D2, Clusters, Wheat
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.