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Articles by R.K. Bam
Total Records ( 2 ) for R.K. Bam
  R.K. Bam , F.K. Kumaga , K. Ofori and E.A. Asiedu
  The effectiveness of different concentrations of potassium and phosphorus salts and the duration of soaking on germination, vigour and dehydrogenase activity of rice seed, cvr IDSA 85, was studied in the laboratory. Treatments comprised untreated control, soaking in KCL at K concentrations of 0.5, 1.0, 1.5 and 2.0% w/v and in KH2PO4 at P concentrations of 0.05, 0.1, 0.2, 0.3, 0.4 and 0.5% w/v and water for 12 or 24 h. Soaking seeds in P for 24 h increased germination capacity (p = 0.013) from 79% in the control to 94% in 0.5% P for 24 h. Irrespective of the soaking medium, soaking duration did not increase germination capacity. Germination energy increased from 28% in the control to 77% in water, 83% in 0.5% K and 89% in 0.2% P. Soaking IDSA 85 seeds in K and P solutions or water significantly reduced the mean germination time and increased the daily rate of seedling emergence. Seeds soaked in P and K solutions produced significantly taller plants than the untreated control and water. Seeds soaked in KCL or KH2PO4 solutions had higher dehydrogenase activity compared to water suggesting higher viability and vigour of seeds soaked in K and P solutions.
  B.M. Dzomeku , R.K. Bam , E. Abu-Kwarteng and A.A. Ankomah
  The nutritional composition of the green stages of fruits of a FHIA hybrid (FHIA-21) and local Apem were determined in Ghana. Fresh fruits were harvested from the plantain orchard of the Crops Research Institute in Kumasi, Ghana. The standard AOAC methods were used to determine the moisture, crude protein, ash, crude fibre, potassium, iron, calcium, carbohydrate, sodium and crude fat. Pulp colour was measured with a Chromatometer (Minolta). The results showed that the nutritional composition of the hybrids were similar to that of the local Apem. The hybrids however had higher fat content (1.94%) than the local (0.22%). Apem had lower water content (53%) than the hybrids (60%). The hybrids were slightly soft due to the high moisture content. The potassium content was also higher in the hybrids (1060 mg/100 g dry weight) than the local (760 mg/100 g dry weight). The local on the other hand contain more iron (1.06 mg/100 g dry weight) than the hybrids (0.45%/100 g dry weight). The peel and pulp colours of the hybrids and the local were similar. FHIA-21 and Apem all had bright orange pulp colour which was indicative of the presence of provitamins and carotenoids. The high potassium level in the hybrid may be an advantage over the local for use as a therapy. FHIA-21 could be described as a high energy yielding carbohydrate compared to Apem.
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