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Articles by B.M. Dzomeku
Total Records ( 9 ) for B.M. Dzomeku
  B.M. Dzomeku , F. Armo-Annor , K. Adjei-Gyan and S.K. Darkey
  An agronomic study was conducted to evaluate three Musa hybrids (BITA-3, a cooking banana, FHIA-21 and CRBP-39 both hybrid plantains) with 500 farmers in the two Assin districts in the Central region of Ghana. At harvest sensory evaluation was carried out on the three hybrids to access their acceptability at four locations in the two districts. The study was conducted to assess the consumer acceptability of the hybrids for use as fufu, ampesi and fried ripe plantain. A total of 360 untrained taste panelists from four communities (Assin Foso, Adiembra, Bremang and Amoanin) all in the two Assin districts of the Central region of Ghana comprising both males and females were used in the study. At each location, panelists were presented with two coded samples (A and B) of fufu, ampesi and fried plantain comprising of Apantu (for fufu and fried plantain), Apem (for ampesi) and Musa hybrids (FHIA-21, BITA-3 and CRBP-39). Assessors were asked to compare the two coded samples on the bases of texture, taste, colour and overall acceptability, using the hedonic descriptive scale of 1-5. The results indicated that there were no significant differences (p<0.01) between FHIA-21 and CRBP-39 and the local Apantu across the location, across the parameters and the recipes assessed. FHIA-21 and CRBP-39 were the most preferred and compared favourably with the local triploids (Apantu and Apem) with BITA-3 the least preferred. The hybrids were accepted for ripe fried at stages 3 and 4 of ripening. Beyond these stages of ripening, the hybrids could only be used for other processed food recipes. Some panelists who claimed to be diabetic indicated their preference for the hybrids especially BITA-3 as their glucose level was normal after eating meals made from the hybrids. The results showed that the food habits of the people are important in the introduction of new hybrids.
  A.A. Dankyi , B.M. Dzomeku , F.O. Anno-Nyako , Alex Adu-Appiah and Gyamera-Antwi
  A study was conducted in three of the six plantain growing regions-(Eastern, Ashanti and Brong-Ahafo) of Ghana to elucidate the plantain production practices and constraints. A total of 259 plantain farmers from 24 villages were selected randomly and interviewed using prepared questionnaires. Frequency distribution, percentage and mean score were used in the analysis of the data. The findings revealed that the mean age of the plantain farmers was 47 years. A greater percentage (84%) of the respondents had formal education, with only 16% without any formal education. The mean plantain farm of the respondent was two acres (0.8Ha). Majority (84%) of the farmers slashed and burned their fields during land preparation. Only 22% of the farmers practice row planting. All the farmers practice inter-cropping plantain with other crops and 96% without any soil amendments application. Only 25% of the farmers had heard of the release of improved cultivars by research. Less than 15% of the farmers have had some training in techniques of plantain production. Radio publicity seems to be among the highest of the extension methods farmers would prefer. Bud manipulation technique was highly adopted than the split-corm technique. Land tenure was of much problem to male plantain farmers than to the females. Plantain production contributed more income to female farmers than the male farmers. The four main constraints to plantain production identified by the farmers were credit weed, labour, disease in that order. The major marketing problem was low price for the produce.
  B.M. Dzomeku , R.K. Bam , E. Adu-Kwarteng , S.K. Darkey and A.A. Ankomah
  The agronomic evaluation of FHIA-21 was conducted at three locations in the semi-deciduous forest region of Ghana. The physio-chemical composition of the green stages of the fruits was also determined. Pulp and peel colours were measured with a Chromatometer (Minolta). Results indicated that the hybrid was very tolerant to the black Sigatoka disease with high number of functional leaves at flowering and at harvest. The crop cycle was comparable to the False Horn plantains. The yield performance of the hybrid was high ranging from 34 and 38 t ha-1 across the locations. The yield values have been stable over the three-year study period. In addition, the FHIA hybrid plants were relatively short. The physio-chemical composition results showed that the hybrid had high fat (1.94%) and water (60%) contents. The potassium content was also high (1060 mg/100 g dry weight) however the iron content (0.45%/100 g dry weight) was low. The high potassium level in the hybrid may be an advantage for use as a therapy. FHIA-21 had bright orange pulp colour which was indicative of the presence of provitamins and carotenoids.
  B.M. Dzomeku , M.D. Quain , J.N.L. Lamptey , F.O Anno-Nyako , A. Aubyn and S.K. Darkey
  The agronomic evaluation of some IITA hybrids (BITA-3, PITA-1, PITA-4, and BITA-2) was conducted alongside some local land races and FHIA-21 at two locations in the semi-deciduous forest region of Ghana. Some farmers also evaluated the hybrids for their agronomic performance and the sensory qualities. A survey was conducted to sample the views of farmers on the hybrids. Results indicated that the hybrids were very tolerant to the black Sigatoka disease with high number of functional leaves at flowering and at harvest. The crop cycle was comparable to the False Horn plantains. BITA-3 however was early maturing (12 months) compared to 15 to 18 months crop cycles. Majority of farmers (94%) declared that the hybrids were superior to the landraces in terms of agronomic characters. They added that the hybrids remained green throughout with about 10 green leaves at harvest as against 0 to 4 for the landraces. This characteristic of the hybrids was an important feature because it provided shade for their young cocoa plants. 63.9% of respondents ranked FHIA 21 as the best in terms of yield, taste and commercial potential. BITA-3 was rated second but to be used for processing. 65% of the farmers declared that PITA hybrids were tasty and good for fufu. BITA-2 was outright rejected for its finger size and length though it was very roubust and disease-free. Some women indicated that the hybrids cooked faster and so required less time for cooking and also saved them fuel wood.
  B.M. Dzomeku , M. Osei-Owusu , A.A. Ankomah , E. Akyeampong and S.K. Darkey
  To assess consumer acceptability of the new cooking banana hybrids, a study was conducted to compare consumer preference for Saba, Yangambi KM 5, FHIA 25, FHIA 03, BITA 3 and Apantu (control) for chips, Kakro, Ofam, Ampesi and fried ripe plantain. A total of twenty trained male and female taste panelists were involved in the study. Panelists were presented with coded samples of five recipes prepared from the hybrid cooking bananas. Plantain chips are deep-fried thin slices of fruits. Fried plantains are thick slices of peeled ripe fruits that are dipped into salted water and fried in vegetable oil. Ampesi is the local name for boiled green plantains. Kakro is made with blended over-ripe fruit of plantains mixed with corn flour (about 30%), powdered chilies, salt and other spices. The paste thus formed is molded into balls and fried in vegetable oil. Ofam is blended over-ripe fruits, mixed with powdered chilies, other spices, salt and palm oil and baked in an oven to form a cake. The results indicated that KM 5, BITA 3 and FHIA 25 were highly preferred when fried at stages 3 and 4 of ripening. Saba and FHIA 03 were also accepted though not as high as the other three accessions. All accessions were highly preferred when used as chips. BITA 3 was highly preferred for Ampesi whereas KM 5 and FHIA 25 were partially preferred as Ampesi. Saba and FHIA 03 were totally rejected. However when used for Ofam, all the varieties were highly preferred. Cooking bananas could be highly preferred by Ghanaian consumers when processed. The processing might have coated the banana characteristics of the varieties.
  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.
  A. Oppong , J.N.L. Lamptey , F.A. Ofori , F.O. Anno-Nyako , S.K. Offei and B.M. Dzomeku
  A baseline survey was conducted in ten important yam growing districts in Ashanti and Brong Ahafo regions of Ghana during June/July, 2004 to detect the incidence of viral diseases of white yam (Dioscorea rotundata, Poir). One hundred and seventy six leaf samples were collected and virus-indexed using the Enzyme Linked Immunosorbent Assay (ELISA) technique. Four yam virus antisera homologous to Yam mosaic virus (YMV), genus Potyvirus, Cucumber mosaic virus (CMV), genus Cucumovirus, Dioscorea alata potyvirus (DAV), genus Potyvirus and Dioscorea alata badnavirus genus Badnavirus were used. None of the antisera raised against Dioscorea alata badnavirus (DaV) and Cucumber mosaic virus (CMV) reacted positively. Antiserum raised against YMV reacted positively to antigens in 38% of the samples, while 20.5% reacted positively to DAV antigens. Eleven percent of the total samples collected reacted to both YMV and DAV antisera. Forty one percent of the samples however reacted negatively with all the antisera. The detection of DAV on white yam is the first evidence to be reported in Ghana. This finding provides useful information for the management of viral diseases of yam in Ghana.
  B.M. Dzomeku , S.K. Darkey , R.K. Bam and A.A. Ankomah
  The success of the introduction of any new Musa hybrid hinges on the acceptance of common dishes prepared from these hybrids by the local people. A study was conducted to assess the consumer acceptability of four FHIA hybrids (FHIA-21, FHIA-01, FHIA-03 and FHIA-25 for a popular food preparation called kaakle with local Apantu (local False Horn plantain) as control. Kaakle is prepared by blending the pulp of over-ripened pulp of plantain or banana fruits. The paste produced is mixed with 20% corn flour. Salt and spices are added to the composite paste produced to taste. The composite paste is then packaged and wrapped in green plantain leaves and boiled for 1 h. In some localities it is boiled for 1 h especially in the evening and left on fire overnight. It is eaten without sauce after peeling off the plantain leaves. An untrained panel reflecting the range of social class of consumers within the ethnic group was presented with coded samples of the food preparation. All the varieties were accepted for use in preparing kaakle with overall acceptance ranging from 70% (FHIA-25) to 100% (FHIA-21 and FHIA-01). The local Apantu and FHIA-21 were highly accepted compared to the other hybrids. In the processed form the tetraploid hybrids compare favourably with the triploids. There was a significant difference in the overall acceptance between cooking bananas (FHIA-25 and FHIA-03) and plantains (FHIA-21) and dessert banana (FHIA-01). This is not surprising since in the raw ripe state the cooking bananas have low sugar content. FHIA-25 in the raw ripe state lack the banana aroma associated with bananas. The results indicated that considering the food habit of the ethnic group, the new varieties that may be rejected in some localities may receive favourable responses from others. It is therefore relevant to allow various ethnic groups to evaluate new hybrids according to the food habits and if possible release these varieties as ecotypes.
  B.M. Dzomeku , F. Armo-Annor , K. Adjei -Gyan , J. Ansah , A. Nkakwa and S.K. Darkey
  An agronomic study was conducted to evaluate three Musa hybrids (BITA-3 - cooking banana, FHIA-21 and CRBP-39- both hybrid plantains) with five hundred farmers in the two Assin districts in the Central region of Ghana. At harvest sensory evaluation was carried out on the three hybrids for use as fufu, ampesi and ripe fried plantain to access their acceptability at four locations in the two districts. The results showed that there was no significant difference (p<0.05) between the numbers of leaves at flowering among the hybrids across the locations. The hybrids showed superiority over the local check in terms of number of functional leaves from flowering to harvest. All the hybrids (FHIA-21, CRBP 39, BITA-3 and FHIA-25) exhibited stable performance in yield and growth characteristics across the locations. FHIA-25 was however late maturing (18-20 months) whereas BITA-3 was early maturing (10-12 months). Nevertheless, the bunch weight (40-50 kg) of FHIA-25 could be said to have compensated for the long crop cycle. Daughter sucker production by FHIA-25 was also low (two daughter suckers at flowering). BITA-3 was roboust and sturdy with pseudostem girth of 60 cm carrying an average bunch weight of 25 kg. All the hybrids were resistant to the black Sigatoka disease. These results suggested that the performance of the hybrids was not influenced by the seasons or locations. It implies that under good management practices, farmers would be assured of good yields irrespective of time or season of planting so long as there is adequate supply of moisture. The results of the sensory evaluation indicated that there were no significant differences (p<0.01) between FHIA-21 and CRBP-39 and the local Apantu across the location, across the parameters and the recipes assessed. FHIA-21 and CRBP-39 were the most preferred and compared favourably with the local triploids (Apantu and Apem) with BITA-3 the least preferred. The hybrids were accepted for ripe fried plantain at stages 3 and 4 of ripening. Beyond these stages of ripening, the hybrids could only be used for other processed food recipes.
 
 
 
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