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Mignouna, Djana B.Abdoulaye, TahirouAlene, A.Manyong, Victor M.Dontsop Nguezet, Paul M.Ainembabazi, John H.Asiedu, Robert[A microeconometric analysis of household consumption expenditure determinants in yamgrowing areas of Nigeria and Ghana]A microeconometric analysis of household consumption expenditure determinants in yamgrowing areas of Nigeria and Ghana

A range of physical means of manipulating yam tuber dormancy was tested, including the use of temperature, water, electric shock, microwave, heat and storage treatments. Most treatments had very little practical effect on tuber dormancy though differences in dormancy length between clones were de...


Barker, D.J.Keatinge, J.D.H.Asiedu, Robert[The potential of physical means for the manipulation of yam tuber dormancy]The potential of physical means for the manipulation of yam tuber dormancy

Chloroplast DNA (cp) and nuclear ribosomal DNA (rDNA) variation was investigated in 45 accessions of cultivated and wild Manihot species. Ten independent mutations, 8 point mutations and 2 length mutations were identified, using eight restriction enzymes and 12 heterologous cpDNA probes from mung...


Fregene, Martin A.Vargas, J.Ikea, J.Angel, F.Thome, J.Asiedu, RobertAkoroda, M.O.Roca, W.[Variability of chloroplast DNA and nuclear ribosomal DNA in cassava (Manihot esculenta Crantz) and its wild relatives]Variability of chloroplast DNA and nuclear ribosomal DNA in cassava (Manihot esculenta Crantz) and its wild relatives

A highly significant relationship was found between the compressive strength of eight boiled cassava (Manihot esculenta Crantz) tuberous roots and their intercellular adhesion, as measured by a retained dry weight method, suggesting that compressive strength is a measure of cell separation. In ge...


Eggleston, G.Asiedu, Robert[Effect of boiling on the texture of cassava clones: a comparison of compressive strength, intercellular adhesion and physiochemical composition of the tuberous roots]Effect of boiling on the texture of cassava clones: a comparison of compressive strength, intercellular adhesion and physiochemical composition of the tuberous roots

The starchy staples of cassava (tuberous roots) provides more than half the calories consumed by more than 200 million people in sub-Saharan Africa, and the leaves are often used as a vegetable providing protein, vitamins and minerals. The cyanogenic potential of cassava has often been cited as a...


Dixon, A.Asiedu, RobertBokanga, M.[Breeding of cassava for low cyanogenic potential: problems, progress and prospects]Breeding of cassava for low cyanogenic potential: problems, progress and prospects

Cassava is the major root crop in eastern and southern Africa. It is an important source of calories for the inhabitants of such countries as Uganda, Malawi, and Mozambique. It may also be the best alternative for overcoming the food scarcities caused by frequent droughts in the region.


Porto, M.C.M.Asiedu, Robert[Development of cassava in Eastern and Southern Africa]Development of cassava in Eastern and Southern Africa
Rossel, H.W.Asiedu, RobertDixon, A.[Resistance of cassava to African cassava mosaic virus: what really pertains]Resistance of cassava to African cassava mosaic virus: what really pertains

Yam mosaic virus (YMV), genus Potyvirus; family Potyviridae is the most important virus infecting Dioscorea spp. in the tropics. It induces a variety of symptoms ranging from mild mosaic on leaves of infected plants to stunted growth. Field and laboratory studies were conducted in Nigeria to iden...


Odu, B.O.Asiedu, RobertHughes, J.Shoyinka, S.A.Oladiran, O.A.[Evaluation of resistance to yam mosaic virus (YMV), genus Potyvirus in white yam (Dioscorea rotundata Poir.)]Evaluation of resistance to yam mosaic virus (YMV), genus Potyvirus in white yam (Dioscorea rotundata Poir.)
Mignouna, H.D.Abang, Mathew M.Asiedu, RobertGeeta, R.[Yam (Dioscorea) husbandry: cultivating yams in the field or greenhouse]Yam (Dioscorea) husbandry: cultivating yams in the field or greenhouse

For the purpose of constructing yam cDNA libraries, attempts to isolate high quality RNA using several previously reported protocols were unsuccessful. Therefore a protocol was standardized for yam total RNA isolation by using guanidium buffer at the Department of Biology, Virginia Sate Universit...


Narina, S.S.Mohammed, I.Asiedu, RobertMignouna, H.D.[A standardized RNA isolation protocol for yam (Dioscorea alata L) cDNA library construction]A standardized RNA isolation protocol for yam (Dioscorea alata L) cDNA library construction

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