Research Article | Published: 01 September 2011

Path analysis studies on growth traits of Shisham (Dalbergia sissoo Roxb.)

Aradhana Bhatt and Ashok Kumar

Indian Journal of Forestry | Volume: 34 | Issue: 3 | Page No. 297-300 | 2011
DOI: https://doi.org/10.54207/bsmps1000-2011-5ESOT3 | Cite this article

Abstract

Dalbergia sissoo Roxb. (Fabaceae) is grown extensively in Indian subcontinent upto 1000 m asl. It produces extremely good quality timber and an important raw material for furniture industry of the region. The experiments were carried out in three geographical sites of Punjab to assess the path correlation in 36 most productive clones of D. sissoo. To carried out path analysis in the clones to understand the direct and indirect effects of characters namely for economic traits viz. height, height at Ist branch, collar diameter, diameter at breast height, straightness and branching behavior. The volume of the clones was calculated on the basis of height and diameter using standard formula, and contribution of each trait towards productivity was analyzed through path analysis. Volume is a complex character and is controlled by direct and indirect effects of many parameters. Accordingly, six parameters were analyzed for their direct and indirect effect on volume. Highest significant direct effect exerted by CD (0.973) on volume whereas, CD (0.958), DBH (0.948), straightness (0.251) and branching behavior (0.244) exerted significant indirect effect via. height; DBH (0.802), straightness (0.443) and branching behavior (0.408) through height at Ist branch; straightness (0.209) and branching behavior (0.204) through CD and branching behavior (0.158) through DBH. The study revealed that these traits could collectively be used as important parameters for selecting productive genotypes of Dalbergia sissoo for higher economic benefits.

Keywords

Genotypes, Collar diameter, Branching behaviour, Diameter at breast height, Straightness, Volume, Bole, Polyphenol

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How to cite

Bhatt, A. and Kumar, A., 2011. Path analysis studies on growth traits of Shisham (Dalbergia sissoo Roxb.). Indian Journal of Forestry, 34(3), pp.297-300. https://doi.org/10.54207/bsmps1000-2011-5ESOT3

Publication History

Manuscript Published on 01 September 2011

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