Global Advanced Research Journal of Biotechnology

August 2012 Vol. 1(1), pp 001-004

Copyright © 2012 Global Advanced Research Journals


Full Length Research Paper

The performance of growth and yield of ten varieties of soybean (Glycine max L meril) in two locations of rainforest zones of Delta State

Okonmah LU

Department of Agronomy, Faculty of Agriculture, Delta State University, Asaba Campus, Delta State, Nigeria.


Accepted 20 March, 2012


Field experiments were conducted in two locations of rainforest zones (Asaba and Okpe-Isoko) to evaluate the adaptation of ten soybean varieties to this agro-ecological zone. The varieties were TGX1904-6F, TGX1910-11F, TGX1910-15F, TGX1910-10F, TGX1908-8F, TGX1905-2F, TGX1910-1F, TGX1910-8F, TGX1910-6F AND TGX1905-5F. The parameters collected include germination percentage, plant height, number of leaves, leaf area, fresh weight of plant, dry weight of plant, number of flowers, number of pod per plant, number of seeds per pod, and dry seed weight. The growth parameters were determined at 4, 8, 12 and 16 weeks after planting), while the yield data were determined at harvest. The results showed significant differences at (P<0.05) among the varieties for some parameters assessed. TGX1910-8F, TGX1905-2F and TGX1904-6F had the highest number of flowers (68.3), number of pods (26.3) and first to attain maturity (106.6 days) respectively. TGX1910-8F performed better in dry weight of seeds per hectare (2.9t/ha), followed by TGX1910-15F (2.8t/ha). Also, varieties TGX 1910-8F, TGX1905-2F and TGX1904-6F had the highest mean values when compared to other varieties for total dry weight. It is therefore recommended that TGX1910-8F and TGX1910-15F which had higher yields be adopted for cultivation in this agro-ecological zone.

Keywords: Rainforest, Soybean, Germination, Growth, Harvest, Seeds, Flowers, Leaves.



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