L. Chandrasekar1, K. Kumaran2, P. Pugazhendi3, R. Umarani4, P.S. Devanand5, K. Baranidharan6, K.R. Sasidharan7, P. Prabakaran8 and M. Mathivanan9*
1Indian Forest Service, Chief Vigilance Officer, NLC
2Dept. of Forest Biology and Tree Improvement, Forest College
and Research Institute, Mettupalayam
3APCCF, Kerala Forest Department, Kerala
4Director of Seed Center, Tamil Nadu Agricultural University, Coimbatore
5Associate Professor (PBG), Dept. of Forest Biology and Tree Improvement, Forest College and Research Institute, Mettupalayam
6Dept. of Agroforestry, Forest College and Research Institute, Mettupalayam
7Scientist E, IFGTB, Coimbatore
8Forest College and Research Institute, Mettupalayam
9Dept. of Forest Biology and Tree Improvement, Forest College
and Research Institute, Mettupalayam
Received-02.12.2022, Revised-14.12.2022, Accepted-27.12.2022
Abstract:Thirty plus trees have been selected from dominant rosewood growing areas in Kerala based on growth attributes like tree height, girth at breast height, clean bole height and seed yield. Seeds were collected from these identified genetic resources and incorporated in the evaluation program. The evaluation of progenies in the nursery experiment proved once again the superiority of three progenies viz., KLTMPLO 4, KLMYKUT 1 and KLSWMEP 7 in terms of all the growth attributes investigated. The superiority of these three progenies due to juvenile superiority indicated that these three progenies are under strong limelight for immediate utilization and incorporation in the further breeding programme. The variability studies on growth attributes indicated that the genotypic co-efficient of variation was higher than the phenotypic co-efficient of variation for most of the characters and expressed that these characters are strongly under genetic control.
Keywords: Dalbergia latifolia, Nursery, Tree
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