Genetic Divergence Study for Yield And Yield Contributing Traits Among Clones Of Eucalyptus tereticornis
DOI:
https://doi.org/10.36808/if/2023/v149i1/169378Keywords:
Eucalyptus, Genetic Diversity, Heritabiiity, Genetic Advance, D2, AnalysisAbstract
Different clones of Eucalyptus tereticornis were studied for genetic divergence and productivity. The analysis of variance revealed significant variations among eight clones for the studied nine morphological traits. The performance of clone ITC 526 was found significantly higher for traits Hite biomass (1124.17 g), plant height (247.9 cm) and collar diameter (23.25 mm). The mean sum of square value also revealed significant differences among the clones. The GCV value, heritabllity in a broad sense, and genetic advance as per cent of mean was found highest for dry biomass followed by number of leaves and plant height so, selection of genotypes based on these traits will be rewarding. The genetic divergence study revealed that the studied clones were genetically divergent and grouped into three clusters by using Tocher's method. The cluster mean value o f clusters was ^ u n d maximum for all the traits so, the clone ITC 136 can be utilized for commercial plantations. The maximum inter-cluster distance was found between cluster III and cluster II so, the transgresshfe segregants and heterotic hybrids can be produced through the hybridization between clone ITC 136 and clone ITC 288. The Intracluster distance of cluster I was found very high so, selection can be made within the clones grouped together for producing productive clones. Based on the field performance o f different clones it can be concluded that clones ITC 526 and ITC 136 are productive and can be utilized for establishing commercial plantations in the study region.References
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