Tropical Plant Research
An International Journal by Society for Tropical Plant Research
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Abstracted and Indexed
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2018, VOLUME 5 ISSUE 1Pages: 107-115
Genetic Diversity and Relationships of Neolamarckia cadamba (Roxb.) Bosser progenies through cluster analysis
M. Preethi Shree, N. Krishnakumar* and K. T. Parthiban
*Forest College and Research Institute, Tamil Nadu Agricultural University, Mettupalayam, Tamil Nadu, India
Abstract:
Genetic diversity analysis was conducted for biometric attributes in 20 progenies of Neolamarckia cadamba. The application of D2 clustering technique in Neolamarckia cadamba genetic resources resolved the 20 progenies into five clusters. The maximum intra cluster distance was shown by the cluster II. The maximum inter cluster distance was recorded between cluster III and V which indicated the presence of wider genetic distance between Neolamarckia cadamba progenies. Among the growth attributes, volume (36.84 %) contributed maximum towards genetic divergence followed by bole height, basal diameter, tree height, number of branches in Neolamarckia cadamba progenies.
Genetic diversity analysis was conducted for biometric attributes in 20 progenies of Neolamarckia cadamba. The application of D2 clustering technique in Neolamarckia cadamba genetic resources resolved the 20 progenies into five clusters. The maximum intra cluster distance was shown by the cluster II. The maximum inter cluster distance was recorded between cluster III and V which indicated the presence of wider genetic distance between Neolamarckia cadamba progenies. Among the growth attributes, volume (36.84 %) contributed maximum towards genetic divergence followed by bole height, basal diameter, tree height, number of branches in Neolamarckia cadamba progenies.
Fig.: Cluster diagram for biometric traits of Neolamarckia cadamba progenies.
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