Genetic divergence for growth and wood parameters in different clones of Dalbergia sissoo Roxb

Abstract

The wood analysis for different parameters was carried out in a clonal seed orchard of Dalbergia sissoo Roxb. established during 1997 at Hoshiarpur, Punjab, India. Twelve clones with higher index value were subjected to Euclidean Cluster Analysis based on wood and growth parameters to group into seven clusters. Cluster I and II contained four and three clones, respectively, and remaining clusters had just one clone each. Clone originated from Barielly, Uttar Pradesh of cluster VII was found to be the most divergent clone. Cluster II with three clones maintained greater inter-cluster distance with other clusters. The divergence analysis has confirmed that the clones planted in the clonal seed orchard are sufficiently divergent and seed harvested from the orchard would maintain high diversity.

Keywords

Dalbergia sissoo Roxb. / seed orchard / wood and growth traits / genetic divergence / hybridization

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