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GENETIC VARIABILITY, CORRELATION AND DIVERSITY ANALYSIS OF 12 IMPORTANT JHUM RICE (Oryza sativa. L.) GENOTYPES OF NAGALAND

Indian Agricultural Research Journals

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Title GENETIC VARIABILITY, CORRELATION AND DIVERSITY ANALYSIS OF 12 IMPORTANT JHUM RICE (Oryza sativa. L.) GENOTYPES OF NAGALAND
 
Creator WANGYAL LEPCHA,
 
Subject Genetic advance, Genetic divergence, Genotypes, Heritability, Rice
 
Description With 12 jhum rice genotypes, the experiment was conducted with a randomized block design and replicated thrice in the year 2022. For every character under the study, the variance estimates between genotypes varied significantly, pointing to a large variation in the samples.Effective tillers/plant followed by 1000-grain weight and grain yield per plant had the highest genotypic coefficient of variation (GCV). Maximum heritability and genetic advance were seen for the 1000-grain weight, the number of grains per panicle and effective tillers/plant. Therefore, using these attributes as selection criteria might result in the accumulation of more additive genes, which will improve their performance, Indicating the relative usefulness of this character for selection,The number of effective tillers per plant, leaf length, leaf width, plant height, panicle length, and 1000- grain weight were significantly correlated positively with grain yield per plant. Thestudy recommended that in order to increase the seed yield, consideration should be given to the number of effective tillers per plant, leaf length, leaf width, plant height, and panicle length. The 12 genotypes of rice were divided into four distinct clusters. Cluster I had two genotypes, Cluster III had two, and Cluster IV had one genotype. Cluster II had six genotypes. Cluster I and cluster IV were found to have the highest inter-cluster divergence, whereas cluster II and cluster III had the lowest divergence. As a result, hybridization programs including genotypes from clusters IV and I can be used.
 
Publisher Acharya N. G. Ranga Agricultural University, Guntur
 
Date 2023-10-05
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/TJRA/article/view/144672
10.58537/jorangrau.2023.51.3.04
 
Source The Journal of Research ANGRAU; Vol. 51 No. 3 (2023): The Journal of Research ANGRAU, Vol.51(3) July-September, 2023; 32-39
0970-0226
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/TJRA/article/view/144672/52853
 
Rights https://creativecommons.org/licenses/by-nc-sa/4.0