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Combining ability analysis of blackpod disease incidence in cocoa genotypes in Ghana 加纳可可豆黑荚病发病基因型配合力分析
Tropical Science
Pub Date : 2006-12-01 DOI: 10.1002/TS.176
B. Adomako
There were significant differences between cocoa genotypes in the levels of blackpod disease in two field trials. Additive (genetic) effects were predominant. The genotypes Pa 150, Alph. B36 and Pound 7 were identified as the best parents for breeding for enhanced resistance to the disease. The performance of cocoa progenies in terms of blackpod disease incidence cannot always be reliably predicted from the genetic potential of their parents. Copyright © 2006 John Wiley & Sons, Ltd
在两个大田试验中，可可基因型在黑荚病水平上存在显著差异。加性(遗传)效应占主导地位。基因型pa150, Alph。B36和Pound 7被确定为增强抗病育种的最佳亲本。可可后代在黑荚病发病率方面的表现并不总是能从其亲本的遗传潜力中可靠地预测出来。版权所有©2006约翰威利父子有限公司
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引用次数: 19
Pollen population, viscosity and density of locally produced honey 本地产蜂蜜的花粉数量、粘度和密度
Tropical Science
Pub Date : 2006-12-01 DOI: 10.1002/TS.73
Ayodele, Om Folarin, S. Oluwalana
Eight samples of honey, purchased locally, all contained pollen grains of different sizes and shapes. There was a correlation between the pollen population and pollen size, but not between the population and either density or viscosity of the honey. Copyright © 2006 John Wiley & Sons, Ltd
在当地购买的8个蜂蜜样本都含有不同大小和形状的花粉粒。花粉数量与花粉大小之间存在相关性，但与蜂蜜的密度或粘度之间没有相关性。版权所有©2006约翰威利父子有限公司
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引用次数: 6
Forage yield and economic viability of grass (Chloris gayana) and legume (Trifolium prantese) mixtures under variable seed rates in the eastern highlands of Ethiopia 埃塞俄比亚东部高地不同种子率下草与豆科植物混合的饲料产量和经济活力
Tropical Science
Pub Date : 2006-12-01 DOI: 10.1002/TS.179
B. Tamir
Mixtures of grass (Chloris gayana) and legume (Trifolium prantese) at seed rates of 50 : 50% produced significantly (p < 0.05) more forage dry matter and were biologically and economically more competitive and viable than 25 : 75%, 75 : 25% or the sole stand. The 50 : 50% mixture had the highest land equivalent ratio and the best monetary advantage (US$180) and net return (US$106) per hectare. Copyright © 2006 John Wiley & Sons, Ltd
种子率为50:50 %时，草木(Chloris gayana)与豆科植物(Trifolium prantese)的混播比单独林分(25:75%、75:25%)产生的牧草干物质显著增加(p < 0.05)，在生物和经济上更具竞争力和可行性。50%: 50%的混合物具有最高的土地等效比，最佳的经济效益(每公顷180美元)和净回报(每公顷106美元)。版权所有©2006约翰威利父子有限公司
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引用次数: 2
Effects of supplementing different forms of Acacia saligna leaves to grass hay on feed intake and growth of lambs 草料中添加不同形态金合欢叶对羔羊采食量和生长的影响
Tropical Science
Pub Date : 2006-09-29 DOI: 10.1002/TS.178
G. Asefa, B. Tamir
Supplementation with Acacia saligna leaves in fresh, wilted and sun-dried forms to grass hay improved (p < 0.05) the organic matter and crude protein intake, daily weight gain and feed conversion efficiency by lambs. The sun-dried leaves gave a greater reduction in fibre components and condensed tannins than the wilted and fresh forms. Copyright © 2006 John Wiley & Sons, Ltd
在干草中添加新鲜、枯萎和晒干的金合欢叶，提高了羔羊的有机质和粗蛋白质采食量、日增重和饲料转化率(p < 0.05)。晒干的叶子比枯萎的和新鲜的叶子更能减少纤维成分和浓缩单宁。版权所有©2006约翰威利父子有限公司
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引用次数: 4
Dr Geoffrey R Ames 1933–2006 Geoffrey R Ames博士1933-2006
Tropical Science
Pub Date : 2006-09-01 DOI: 10.1002/TS.184
Guy Poulter
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引用次数: 0
Sensory properties of instant fufu flour from four high‐yielding Ghanaian varieties of cassava 四种高产加纳木薯品种即食福福粉的感官特性
Tropical Science
Pub Date : 2006-09-01 DOI: 10.1002/TS.59
P-Nt Johnson, S. Gallat, C. Oduro‐Yeboah, A. Osei-Yaw, A. Westby
The cassava starch used in the manufacture of instant fufu flour can be replaced by the flour of the high-yielding varieties Abasa fitaa and Gblemo duade. Copyright © 2006 John Wiley & Sons, Ltd
生产即食福福粉所使用的木薯淀粉可以用高产品种Abasa fitaa和Gblemo duade的面粉代替。版权所有©2006约翰威利父子有限公司
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引用次数: 8
Agronomic performance and yield of farmer‐saved and certified seeds of maize 农民保存和认证的玉米种子的农艺性能和产量
Tropical Science
Pub Date : 2006-09-01 DOI: 10.1002/TS.76
E. Asiedu, Rosemary Asante, P. Adusei-Akowuah, O. Danquah, P. Sallah, E. Avah, A. Baduon
When farmer-saved and certified seeds of a medium maturing Quality Protein Maize were compared, the certified seed had better characteristics and also better growth and yield in a field trial, especially in the minor season, when farmer-saved seeds succumbed to moisture stress. Copyright © 2006 John Wiley & Sons, Ltd
对一种中熟优质蛋白玉米的保藏种子和认证种子进行田间试验比较，证明种子在田间试验中具有更好的性状和更好的生长和产量，特别是在小季，保藏种子屈服于水分胁迫。版权所有©2006约翰威利父子有限公司
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引用次数: 1
Distribution of two Striga species and their relative impact on local and resistant sorghum cultivars in east Ethiopia 埃塞俄比亚东部两种Striga的分布及其对当地和抗性高粱品种的相对影响
Tropical Science
Pub Date : 2006-09-01 DOI: 10.1002/TS.70
T. Hussien
In five districts of east Ethiopia, only Striga hermonthica was identified in sorghum fields in three districts, and only S. asiatica in two. When the Striga-resistant sorghum variety Gubiye/P9401 was grown there was indicated scanty occurrence of Striga (1 to 4/m2), whereas local varieties showed 133 to 288/m2. Such severe infestation of the local cultivars with Striga resulted in drastic yield reductions of sorghum. Copyright © 2006 John Wiley & Sons, Ltd
在埃塞俄比亚东部的5个地区，只有3个地区的高粱田里发现了红月刺蒺藜，2个地区发现了亚洲刺蒺藜。抗史曲加菌高粱品种古必野/P9401的史曲加菌数量极少(1 ~ 4只/m2)，而地方品种的史曲加菌数量为133 ~ 288只/m2。这种对地方栽培品种的严重侵害导致高粱产量急剧下降。版权所有©2006约翰威利父子有限公司
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引用次数: 16
Susceptibility of soyabean cultivars to root nematodes in southwestern Ethiopia 埃塞俄比亚西南部大豆品种对根线虫的易感性
Tropical Science
Pub Date : 2006-09-01 DOI: 10.1002/TS.64
C. Agu
Various soyabean cultivars were infected with Pratylenchus brachyurus, P. zeae, Meloidogyne incognita, Helicotylenchus dihystera, Hoploliamus indicus, Tylenchorynchus brassicae and Rotylenchus reniformis. However, only the cultivars ‘Type Green’ and TGX 536-02D showed immunity. Copyright © 2006 John Wiley & Sons, Ltd
不同品种的大豆分别感染了短叶青虫、玉米叶青虫、无记名长叶青虫、双滞尾叶青虫、indicus Hoploliamus、brassicchorchus和renformrotylenchus。只有‘绿色型’和TGX 536-02D表现出免疫。版权所有©2006约翰威利父子有限公司
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引用次数: 4
A new parasitic weed (Alectra vogelii) similar to Striga on groundnut in Ethiopia 埃塞俄比亚花生上一种与斯特里加相似的新寄生杂草
Tropical Science
Pub Date : 2006-09-01 DOI: 10.1002/TS.68
T. Hussien, B. B. Mishra, H. Gebrekidan
The hemi-parasitic weed Alectra vogelii is recorded from Ethiopia for the first time. It was found in association with groundnut growing on gravelly red sandy loam. Copyright © 2006 John Wiley & Sons, Ltd
在埃塞俄比亚首次记录到半寄生杂草Alectra vogelii。它被发现与生长在沙质红壤土上的花生有关。版权所有©2006约翰威利父子有限公司
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引用次数: 6
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