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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(11): 1721-1727
DOI: https://doi.org/10.20546/ijcmas.2017.611.208


Evaluation of Provenances for Drupe, Seed and Germination Traits in Teak (Tectona grandis L. F.)
Ravindra Kumar Dhaka* and Suman Kumar Jha
Department of Forest Biology and Tree Improvement, College of Forestry, ACHF, Navsari Agricultural University, Navsari, Gujarat – 396 450, India
*Corresponding author
Abstract:

The most valuable timber of the world i.e. teak (king of timber) was widely used due to its durability, physical and aesthetic property. It has a high demand in international market and distributed throughout India and Southeast Asia. In addition, there are huge gap between demand and supply of industrial timber in India. This can be fulfilled by the teak plantation with agroforestry systems. Therefore, five provenances i.e. Mandvi, Vyara, Vansda, Chikhali and Dharampur from Gujarat natural teak forests had been selected for the study to select the better seed source for plantation industry. Our result showed significant differences (p≤ 0.01) in all the studied characteristics. Drupe were lengthiest (11.14 mm), broadest (12.64 mm) and heaviest (58.38 g) in Mandvi provenance followed by Dharampur provenance, whereas smallest (9.69 mm), narrowest (10.48 mm) and lightest (35.49 g) in Vansda provenance. Similarlly seed length, seed width, 100 seed weight, filling percent, drupe and seed germination were highest in Mandvi provenance while lowest in Vansda provenance. Overall, Mandvi and Dharampur provenance were performed better than all others. It was interesting to see that seed germination was increased 3-4 folds as compare to drupe germination. This showed that there is a physical dormancy due to hard or stony hard seed coat in teak fruit for poor drupe germination. Heritability was revealed that selection can be made for seed germination (h2 = 0.98) as further genetic improvement of teak while genetic gain coupled with 100 drupe weight (34.55). Strong inter-character correlation was found among all the traits and drupe as well as seed traits were influenced on the drupe and seed germination. So, seed germination among teak provenances was newly added parameter to confirm the presence of physical dormancy which was a major limiting factor for poor drupe or fruit germination for deployment of superior genetic materials.


Keywords: King of timber, Drupe, Provenance, Heritability, Genetic gain, Associations.
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How to cite this article:

Ravindra Kumar Dhaka and Suman Kumar Jha. 2017. Evaluation of Provenances for Drupe, Seed and Germination Traits in Teak (Tectona grandis L. F.).Int.J.Curr.Microbiol.App.Sci. 6(11): 1721-1727. doi: https://doi.org/10.20546/ijcmas.2017.611.208