Dormancy Breaking and the Influence of Gibberellic Acid on the Early Growth of Tamarindus indica Seedlings in Mubi, Nigeria

Main Article Content

S. C. Yusuf
N. N. Zakawa
T. D. Tizhe
D. Timon
J. J. Obot
S. G. Linus


The purpose of this research was to determine the appropriate methods of breaking seed dormancy, level of water uptake, and the influence of gibberellic acid on the early growth of Tamarindus indica seedlings. The scarification methods used included: concentrated sulphuric acid (H2SO4), manual scarification, flaming, hot and cold water treatments. The experiments were conducted in the laboratory on Petri dishes and in potting media. GA3 was used to optimize the production of seedlings by spraying the solution on the foliage. The treatment for 10 minutes with concentrated H2SO4 gave the maximum germination percentage and water uptake (80.41%). GA3 enhances the growth of the seedlings by increasing the height, the number of leaves and stem girth at eight weeks after sowing. In conclusion, all the scarification treatments applied to the seeds of T. indica proved effective. The ten minutes treatment with concentrated H2SO4 was the best treatment for breaking seed dormancy of T. indica. And gibberellic acid enhanced early and fast seedling growth as it increase height, number of leaves and stem girth of T. indica.

Growth, seedlings, gibberellic acid, dormancy, Tamarindus indica.

Article Details

How to Cite
Yusuf, S. C., Zakawa, N. N., Tizhe, T. D., Timon, D., Obot, J. J., & Linus, S. G. (2019). Dormancy Breaking and the Influence of Gibberellic Acid on the Early Growth of Tamarindus indica Seedlings in Mubi, Nigeria. Asian Journal of Soil Science and Plant Nutrition, 5(2), 1-6.
Original Research Article


Kumar A, Tarun K, Neha S, Lal EP. Effects of Gibberellic acid on growth, quality, and yield of Tomato (Lycopersicon esculentum Mill.) IOSR. Journal of Agriculture and Veterinary Science. 2014;2319- 2372.

El-Siddig K, Gunasena HPM, Prasa BA, Pushpakumara DKNG, Ramana KVR, Vijayanand P, Williams JT. Tamarind – Tamarindus indica L. Fruits for the future. Southampton Centre for Underutilized Crops; 2006.

Sugii NC. Flaming fabaceae using an alcohol flame to break seed dormancy. Native plants Journal; 2003.

Adebayo AA. Mubi region geographic synthesis 1st Edition paracelet publishers, Yola, Nigeria; 2004.

Adebayo AA, Dayya SV. Geology, relief, and drainage in adebayo, A.A. (Ed) Mubi Region: A Geographical synthesis, Yola; 2004.

Baskin C, Baskin J. Seed dormancy and how is related to germination; 2004. Available:

Basra AS. Handbook of Seed Science and Technology, Haworth Press, New York; 2006.

Bello AG, Gada ZY. Germination and early growth assessment of Tamarindus indica L. Sokoto State, Nigeria. International journal of forestry research. 2015;1-5.

Bhadoriya SS, Ganeshpurkar A, Narwaria J, Rai G, Jain AP. Tamarindus indica: extent of explored potential. Pharmacognosy Reviews. 2011;73–81.

Chaves I, Nilo C, Queiroga S, Dimas MR. Effect of the seed coat on dormancy and germination in Stylosanthes humulles H.B.K seed. Journal of Seed Science. 2017;114-122.

Davies PJ. Plant hormones: Physiology, biochemistry, and molecular biology. London: Klumer Academic Publishers; 2004.

Joyeux M, Mortier F, Flurentin J. Screening of antiradical, antilipoperoxidant and Hepatoprotective effects of nine plant extracts used in Caribbean folk medicine. Phytotherapy Research. 1995; 228–230.

Maiti R, Jana D, Das UK, Ghosh D. Anti diabetic effect of aqueous extract of seed of Tamarindus indica in streptozotocin-induced diabetic rats. Journal of Ethnopharmacology. 2004;85–91.

Mcwatters KH, Chinnan MS, Phillips RD, Beuchat LR, Reid LB, Mensa-Wilmot YM. Functional, Nutritional, Mycological and Akara-making properties of stored cowpea meal. Journal of Food Science. 2002;29-34.

Morton JF. “Tamarind,” in Fruits of Warm Climates; 1987.
Available:http://www.hort.purdue. edu/ new crop /morton /ta marind.html

Pamela K. The quickie seed viability test for seed savers and traders; 2012. Available:

Stephen GS. Plant Physiology. St. Johns University, Biology Department; 2009.

Vieira EL, Castro PRC. Ação de bioestimulante na cultura da soja (Glycine max L. Merrill). Cosmópolis: Stoller do Brasilia. 2004;1-47.