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Yield of common bean cultivars under semi‐arid conditions in eastern Ethiopia 埃塞俄比亚东部半干旱条件下普通豆品种的产量
Tropical Science Pub Date : 2006-09-01 DOI: 10.1002/TS.75
T. Tefera
{"title":"Yield of common bean cultivars under semi‐arid conditions in eastern Ethiopia","authors":"T. Tefera","doi":"10.1002/TS.75","DOIUrl":"https://doi.org/10.1002/TS.75","url":null,"abstract":"In a 14-year period common bean cultivar Mexican-142 gave higher yields (2313 kg/ha) than Awash-1 (2042 kg/ha) and Brown speckled (2263 kg/ha). Seed yield was positively correlated with rainfall over the whole season and with rainfall in September, time of flowering and podding. Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81144397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Contaminants and defects in Nigerian Tiger‐nut varieties 尼日利亚虎坚果品种的污染物和缺陷
Tropical Science Pub Date : 2006-09-01 DOI: 10.1002/TS.71
Ji Mordi, J. Okafor, A. Ozumba, H. Solomon, O. Olatunji
{"title":"Contaminants and defects in Nigerian Tiger‐nut varieties","authors":"Ji Mordi, J. Okafor, A. Ozumba, H. Solomon, O. Olatunji","doi":"10.1002/TS.71","DOIUrl":"https://doi.org/10.1002/TS.71","url":null,"abstract":"Three varieties of tiger-nut had sorting yields of 85–95% and contained 5–14% of broken nuts, stones, animal droppings and other extraneous materials. Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84951846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Genetic variations in cassava at Jimma, Southwest Ethiopia 埃塞俄比亚西南部吉马地区木薯的遗传变异
Tropical Science Pub Date : 2006-09-01 DOI: 10.1002/TS.171
A. Nebiyu
{"title":"Genetic variations in cassava at Jimma, Southwest Ethiopia","authors":"A. Nebiyu","doi":"10.1002/TS.171","DOIUrl":"https://doi.org/10.1002/TS.171","url":null,"abstract":"Relatively large phenotypic and genotypic coefficients of variation were observed for harvest index, storage root yield per plant, above ground biomass, number of branches and number of nodes of 36 germplasm accessions of cassava. There is a considerable amount of genetic variability for most of the characters of interest in cassava. Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82408791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Phosphorus recovery from triple superphosphate by soyabean in the Guinea savanna of Nigeria 尼日利亚几内亚稀树草原大豆从三过磷酸钙中回收磷
Tropical Science Pub Date : 2006-09-01 DOI: 10.1002/TS.77
I. Ogoke, A. Togun, R. Carsky, K. Dashiell
{"title":"Phosphorus recovery from triple superphosphate by soyabean in the Guinea savanna of Nigeria","authors":"I. Ogoke, A. Togun, R. Carsky, K. Dashiell","doi":"10.1002/TS.77","DOIUrl":"https://doi.org/10.1002/TS.77","url":null,"abstract":"Phosphorus fertilizer was applied at two rates to four soyabean varieties of different duration to maturity at four sites. The P rate had no significant (p > 0.05) interaction with site or variety. TGx1670-1F, one of the two late varieties, had the highest levels of total P (11 kg/ha) and apparent fertilizer P recovery (15%). Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85122943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Yields and benefit‐costs of cereal‐legume rotations in the Guinea savanna of northern Nigeria 尼日利亚北部几内亚稀树草原谷物-豆类轮作的产量和效益-成本
Tropical Science Pub Date : 2006-09-01 DOI: 10.1002/TS.72
S. Rahman
{"title":"Yields and benefit‐costs of cereal‐legume rotations in the Guinea savanna of northern Nigeria","authors":"S. Rahman","doi":"10.1002/TS.72","DOIUrl":"https://doi.org/10.1002/TS.72","url":null,"abstract":"Crop rotation of sorghum and maize with legumes increased grain yields and overall profitability. Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80409956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Evaluation of four Musa hybrids in Ghana 加纳四个Musa杂交种的评价
Tropical Science Pub Date : 2006-09-01 DOI: 10.1002/TS.174
B. Dzomeku, F. Armo-Annor, K. Adjei-Gwen, .. A.Nkakwa, E. Akyeampong, Is Baning
{"title":"Evaluation of four Musa hybrids in Ghana","authors":"B. Dzomeku, F. Armo-Annor, K. Adjei-Gwen, .. A.Nkakwa, E. Akyeampong, Is Baning","doi":"10.1002/TS.174","DOIUrl":"https://doi.org/10.1002/TS.174","url":null,"abstract":"In a survey of farmers' attitudes to four Musa hybrids, the majority (84%) considered them superior to the landraces in terms of plant establishment, plant growth, vigour and fruit yield. The hybrids had more green leaves at harvest, an added advantage as they provided shade for the young cocoa plants grown as an intercrop. Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82514047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Cyanogenesis in hearts of palm (Arecaceae) 棕榈(槟榔科)心的氰化
Tropical Science Pub Date : 2006-09-01 DOI: 10.1002/TS.177
S. Zona
{"title":"Cyanogenesis in hearts of palm (Arecaceae)","authors":"S. Zona","doi":"10.1002/TS.177","DOIUrl":"https://doi.org/10.1002/TS.177","url":null,"abstract":"Fresh hearts of palm were tested for cyanogenic glycosides; two species of the genus Dypsis were cyanogenic. Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88667268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Effect of cercospora leaf spot on the quality of groundnut haulm in northeastern Nigeria 尼日利亚东北部花生叶斑病对花生品质的影响
Tropical Science Pub Date : 2006-09-01 DOI: 10.1002/TS.175
B. Bdliya
{"title":"Effect of cercospora leaf spot on the quality of groundnut haulm in northeastern Nigeria","authors":"B. Bdliya","doi":"10.1002/TS.175","DOIUrl":"https://doi.org/10.1002/TS.175","url":null,"abstract":"When Ex-Dakar, a groundnut variety highly susceptible to cercospora leaf spot, was grown in an infected area, there was a significant decrease in the crude protein and fibre contents with increasing disease severity. Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83831055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Iron toxicity symptoms in yams (Dioscorea spp.) grown in water culture 水中栽培薯蓣(薯蓣属)的铁毒性症状
Tropical Science Pub Date : 2006-09-01 DOI: 10.1002/TS.172
H. Shiwachi, H. Kikuno, C. Okonkwo, R. Asiedu
{"title":"Iron toxicity symptoms in yams (Dioscorea spp.) grown in water culture","authors":"H. Shiwachi, H. Kikuno, C. Okonkwo, R. Asiedu","doi":"10.1002/TS.172","DOIUrl":"https://doi.org/10.1002/TS.172","url":null,"abstract":"Growth of varieties of Dioscorea alata and D. rotundata were stunted when they were grown in nutrient solutions containing 5 to 60 mg l−1 Fe. In D. alata variety TDa 95/00361, plants grown in 60 mg l−1 Fe solution exhibited reductions of 29–65% in plant height, leaf length and width, number of leaves, stems and roots, and root length compared to the control. The corresponding values for D. rotundata variety TDr 89/02565 were 34–59%. Tuber weight in D. rotundata variety TDr 89/02565 was increased by the iron treatments but the foliar symptoms of iron toxicity reported for other crops were not observed. Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82251390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The effect of nitrogen fertilization and cutting age on dry matter yield and protein content of Rhodes grass at Awassa, southern Ethiopia 施氮量和刈割年龄对埃塞俄比亚南部阿瓦萨罗德斯草干物质产量和蛋白质含量的影响
Tropical Science Pub Date : 2006-06-01 DOI: 10.1002/TS.31
A. Tolera, A. Kidane, Woldegebriel Tesfamariam
{"title":"The effect of nitrogen fertilization and cutting age on dry matter yield and protein content of Rhodes grass at Awassa, southern Ethiopia","authors":"A. Tolera, A. Kidane, Woldegebriel Tesfamariam","doi":"10.1002/TS.31","DOIUrl":"https://doi.org/10.1002/TS.31","url":null,"abstract":"The crude protein content of Rhodes grass was highest when 69 kg N/ha was applied. The dry matter content of the fresh forage increased with increasing age of regrowth. The crude protein yield did not vary between the different ages of regrowth as the increasing yield offset the decreasing protein content. Overall, the application of 69 kg N/ha appears to be the optimum level of nitrogen fertilizer in terms of dry matter yield and nutritive value of the grass. Copyright © 2006 John Wiley & Sons, Ltd","PeriodicalId":23388,"journal":{"name":"Tropical Science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74440552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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