GENETIC VARIABILITY, CORRELATION AND PATH COEFFICIENT ANALYSIS IN CORIANDER (Coriandrum sativam L.)
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Date
2023
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RPCAU, Pusa
Abstract
Coriander (Coriandrum sativum L.), a member of the Apiaceae family, finds its origin in the Mediterranean region. Its versatile utility as both leaves (cilantro) and seeds is attributed to compounds like linalool in its essential oil, contributing to its distinct aroma and flavour. Beyond culinary uses, coriander has a historic role in traditional medicine, known for its antifungal, antioxidant, and antimicrobial properties.
Successful cultivation hinges on environmental conditions, particularly during flowering and fruiting stages. Thriving in warm, well-drained soil under dry climates, attention to nutrient levels and pest control ensures optimal yield.
Coriander breeding programs harness genetic diversity. Hybridization of diverse parents can yield transgressive segregates, enhancing overall production. ANOVA confirmed significant genotypic differences for all studied traits.
Evaluating mean performance across genotypes, superior genotypes, including RD-435, RD-424, RD-420, RD-416, and RD-391, exhibited higher yield, with lower plant height, and shorter maturity times than the check. High heritability indicated genetic control over yield-related traits, suggesting fruitful selection. Positive correlations between grain yield and various traits indicated potential for improved yields.
Cluster analysis unveiled distinct trait patterns across four clusters, aiding genotype relationships. Pant height, days to 50 percent flowering, days to maturity, grain yield per plant consistently stood out in defining these clusters. Highest inter-cluster distance between cluster I and IV indicated recombinant potential for future breeding.
This study deals with the genetic diversity, trait variability, and relationships among thirty coriander genotypes. Insights into trait contributions to divergence and cluster patterns offer valuable guidance for enhancing coriander yield, quality, and breeding strategies.