National Academy of Agricultural Sciences (NAAS)
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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 |
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 signiï¬Âcant 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.
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