Journal of Bioscience and Agriculture Research |
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RESEARCH ARTICLE:
Influence of planting date on phenology and yield of soybean genotypes in Sierra Leone
Yila, K. M. (1), Momoh, E. J. J. (2), Ndoko, E. J. (1), Mansaray, A. (1) and Conteh, A. R. (1)
1Sierra Leone Agricultural Research Institute, Njala Agricultural Research Centre, PMB 540, Freetown
2Dept. of Crop Science, School of Agriculture, Njala University, Njala, PMB Freetown, Sierra Leone
Article info.
Received: 02.03.18, Revised: 12.08.18, Available online: 14 May 2018.
J. Bios. Agric. Res. | Volume 16, Issue 02, pp. 1365-1374
Crossref: https://doi.org/10.18801/jbar.160218.169
Influence of planting date on phenology and yield of soybean genotypes in Sierra Leone
Yila, K. M. (1), Momoh, E. J. J. (2), Ndoko, E. J. (1), Mansaray, A. (1) and Conteh, A. R. (1)
1Sierra Leone Agricultural Research Institute, Njala Agricultural Research Centre, PMB 540, Freetown
2Dept. of Crop Science, School of Agriculture, Njala University, Njala, PMB Freetown, Sierra Leone
Article info.
Received: 02.03.18, Revised: 12.08.18, Available online: 14 May 2018.
J. Bios. Agric. Res. | Volume 16, Issue 02, pp. 1365-1374
Crossref: https://doi.org/10.18801/jbar.160218.169
FULL TEXT PDF:
| 169.16.2.18_influence_of_planting_date_on_phenology_and_yield_of_soybean_genotypes_in_sierra_leone.pdf |
Title: Influence of planting date on phenology and yield of soybean genotypes in Sierra Leone
Abstract: Field experiments were conducted at SLARI’s on-station sites located at Rogbasha, Sumbuya and Serabu during the year 2013 cropping season to evaluate the influence of planting date on the phenology and yield of soybean genotypes in Sierra Leone. The experiment was arranged in a split plot design with 3 replications in each location. Five planting dates (June 7, June 28, July 14, August 15 and September 5) were assigned to the main plots and five soybean genotypes (TGx 1448-2E, TGx 1904-6F, TGx 1951-3F, TGx 1951-4F and TGx 1955-4F) to the subplots using a randomized complete block design. Planting date had a significant influence on the phenology and yield of the soybean genotypes evaluated. The number of days from emergence (VE) to full flower (R2), full pod (R4) and physiological maturity (R7), thenumber of pods plant-1, 100-seed mass and grain yield for each soybean genotype decreased significantly in each location when planted late i.e. August 15 and beyond.The grain yield, number of pods plant-1 and 100-seed mass of soybean depend directly on the influence of the days to full fower, full pod and physiological maturity. The significant decrease in the days to full fower, full pod and physiological maturity in soybean when planted after July 14 altered the optimum yield potential in the soybean genotypes. For optimum grain yields, farmers in Sierra Leone should plant TGx 1448-2E, TGx 1904-6F, TGx 1951-3F, TGx 1951-4F and TGx 1955-4F not later than mid-July under rain-fed conditions.
Key Words: Planting date, Soybean, Phenology, Genotype and Grain yield
Abstract: Field experiments were conducted at SLARI’s on-station sites located at Rogbasha, Sumbuya and Serabu during the year 2013 cropping season to evaluate the influence of planting date on the phenology and yield of soybean genotypes in Sierra Leone. The experiment was arranged in a split plot design with 3 replications in each location. Five planting dates (June 7, June 28, July 14, August 15 and September 5) were assigned to the main plots and five soybean genotypes (TGx 1448-2E, TGx 1904-6F, TGx 1951-3F, TGx 1951-4F and TGx 1955-4F) to the subplots using a randomized complete block design. Planting date had a significant influence on the phenology and yield of the soybean genotypes evaluated. The number of days from emergence (VE) to full flower (R2), full pod (R4) and physiological maturity (R7), thenumber of pods plant-1, 100-seed mass and grain yield for each soybean genotype decreased significantly in each location when planted late i.e. August 15 and beyond.The grain yield, number of pods plant-1 and 100-seed mass of soybean depend directly on the influence of the days to full fower, full pod and physiological maturity. The significant decrease in the days to full fower, full pod and physiological maturity in soybean when planted after July 14 altered the optimum yield potential in the soybean genotypes. For optimum grain yields, farmers in Sierra Leone should plant TGx 1448-2E, TGx 1904-6F, TGx 1951-3F, TGx 1951-4F and TGx 1955-4F not later than mid-July under rain-fed conditions.
Key Words: Planting date, Soybean, Phenology, Genotype and Grain yield
HOW TO CITE THIS ARTICLE?
APA (American Psychological Association)
Yila, K. M., Momoh, E. J. J., Ndoko, E. J., Mansaray, A. and Conteh, A. R. (2018). Influence of planting date on phenology and yield of soybean genotypes in Sierra Leone. Journal of Bioscience and Agriculture Research, 16(02), 1365-1374.
MLA (Modern Language Association)
Yila, K. M., Momoh, E. J. J., Ndoko, E. J., Mansaray, A. and Conteh, A. R. “Influence of planting date on phenology and yield of soybean genotypes in Sierra Leone”. Journal of Bioscience and Agriculture Research, 16.02(2018), 1365-1374.
Chicago and orTurabian
Yila, K. M., Momoh, E. J. J., Ndoko, E. J., Mansaray, A. and Conteh, A. R. “Influence of planting date on phenology and yield of soybean genotypes in Sierra Leone”. Journal of Bioscience and Agriculture Research, 16. no. 02(2018), 1365-1374.
APA (American Psychological Association)
Yila, K. M., Momoh, E. J. J., Ndoko, E. J., Mansaray, A. and Conteh, A. R. (2018). Influence of planting date on phenology and yield of soybean genotypes in Sierra Leone. Journal of Bioscience and Agriculture Research, 16(02), 1365-1374.
MLA (Modern Language Association)
Yila, K. M., Momoh, E. J. J., Ndoko, E. J., Mansaray, A. and Conteh, A. R. “Influence of planting date on phenology and yield of soybean genotypes in Sierra Leone”. Journal of Bioscience and Agriculture Research, 16.02(2018), 1365-1374.
Chicago and orTurabian
Yila, K. M., Momoh, E. J. J., Ndoko, E. J., Mansaray, A. and Conteh, A. R. “Influence of planting date on phenology and yield of soybean genotypes in Sierra Leone”. Journal of Bioscience and Agriculture Research, 16. no. 02(2018), 1365-1374.
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