Research Article | Published: 01 June 2002

Genetic Variation for Fruiting Phenology Among Teak Clones of Different Provenances of Karnataka

Rajesh Panduranga Gunaga and R. Vasudeva

Indian Journal of Forestry | Volume: 25 | Issue: 2 | Page No. 215-220 | 2002
DOI: https://doi.org/10.54207/bsmps1000-2002-JQO835 | Cite this article

Abstract

Seed orchards form the vital links between commercial planting activity and tree improvement programmes. Various state forest departments throughout the country have established over 55 clonal seed orchards (CSOs). Any factor that affects the seed production in seed orchards would be a hindrance for the logical ending of a tree improvement programme. Understanding genetic variation in fruiting phenology in teak is a prerequisite for further genetic improvement in a clonal seed orchard, however, there are only a few studies focussing on these important issues in teak. For this study, 24 teak clones of a 20-year-old CSO established and maintained by the Karnataka Forest Department at Manchikere, Karnataka, were considered. Fruiting phenology was studied for 13 months from January 1999 to January 2000, There was a significant variation among the clones of the CSO for initiation and duration of fruit maturation. Clones derived from different provenances differed in their fruiting phenology and with respect to number of fruits per inflorescence. The estimates of the genetic parameters for this trait suggested that time of fruit initiation alone was genetically controlled (h2 = 0.756 individual tree basis), while other traits (i.e., fruiting duration and number of fruits per inflorescence) were influenced by the environment. Best season for collection of fruits in seed orchards was between December to February month at Manchikere. Strong provenance effects were identified for the time of fruit initiation in the CSO.

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References

1. Anmol Kumar; Gogate, M.G.; Sharma, R. and Mandal, A.K. (1997). Genetic evaluation of teak clones of Allapalli region Maharashtra. Indian Forester, 123(3):187-189.

Google Scholar

2. El-Kasaby, Y.A. and Reynolds, S. (1990). Reproductive phenology, parental balance and supplemental mass pollination in Sitka spruce seed orchard. Forest Ecology and Management, 31:45-54. https://doi.org/10.1016/0378-1127(90)90110-W

Google Scholar

3. Gunaga, R.P.; Vasudeva, R.; Hanumantha, M. and Swaminath, M.H. (2000). Blooming variation among clones of different provenances in teak. Myforest, 35:237-246.

Google Scholar

4. Gunaga, R.P. (2000). Genetic variation for phenology in clonal seed orchard of teak (Tectona grandis Linn.f.). M.Sc. (Forestry) thesis submitted to Dept. of Forest Biology and Tree Improvement, College of Forestry, University of Agricultural Sciences, Dharwad.

Google Scholar

5. Griffin, A.R. (1982). Clonal variation in radiata pine seed orchards. I. Some flowering cone and seed production traits. Australian Forest Research, 12:295-302.

Google Scholar

6. Ho, H.R. (1984). Seed-cone receptivity and seed production potential in White spruce. Forest Ecology and Management, 9:161-171. https://doi.org/10.1016/0378-1127(84)90045-8

Google Scholar

7. Johnson, H.W.; Robinson, H.F. and Comstock, R.E. (1955). Estimates of genetic and environmental variability in soybeans. Agronomy Journal, 47:314-318. https://doi.org/10.2134/agronj1955.00021962004700070009x

Google Scholar

8. Kedharnath, S. (1982). Genetic variation and heritability of juvenile height growth in Eucalyptus grandis. Journal of Tree Science, 6(1&2):46-49.

Google Scholar

9. Kumaravelu, G. (1993). Teak in India. In: Teak in Asia. Henry Wood (ed.), Forestry Publication and Arts, Bangkok. Pp. 27-34.

Google Scholar

10. Matziris, D. (1994). Genetic variation in the phenology of flowering in Black pine. Silvae Genetica, 43:321-328.

Google Scholar

11. Mc Carthy, B.C. and Quinn, J.A. (1989). Within and among tree variation in flower and fruit production in two species of Carya (Juglandaceae). American Journal of Botany, 76(7):1015-1023. https://doi.org/10.1002/j.1537-2197.1989.tb15082.x

Google Scholar

12. Palupi, E.R. and Owens, J.N. (1998). Reproductive phenology and reproductive success of teak (Tectona grandis L.f.). International Journal of Plant Science, 159(5):833-842. https://doi.org/10.1086/297604

Google Scholar

13. Sarvas, R. (1968). Investigations on the flowering and seed crop in Picea abies. Common wealth Institution of Forest Fennica, 67(5):5-84.

Google Scholar

14. Vasudeva, R.; Rajesh Gunaga and Hanumantha, M. (2001). Implications of clonal variation for reproductive traits to improvement of teak (Tectona grandis Linn.f.) In: Proceedings of International Conference on "Ex situ and in situ conservation of commercial tropical trees" held at Yogyakrtha, Indonesia. 11-13 June, 2001 (in press).

Google Scholar

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How to cite

Gunaga, R.P. and Vasudeva, R., 2002. Genetic Variation for Fruiting Phenology Among Teak Clones of Different Provenances of Karnataka. Indian Journal of Forestry, 25(2), pp.215-220. https://doi.org/10.54207/bsmps1000-2002-JQO835

Publication History

Manuscript Published on 01 June 2002

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