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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

Controlled pollination in root and tuber crops is challenging. Complex ploidy, cross-incompatibility, erratic flowering patterns, outcrossing, etc., limit the efficiency of breeding progress in these crops. Half-sib breeding that involves random pollination among parents is a viable method to har...


Norman, P.E.Asfaw, A.Tongoona, P.B.Danquah, A.Danquah, E.Y.Koeyer, D. deAsiedu, Robert[Can parentage analysis facilitate breeding activities in root and tuber crops?]Can parentage analysis facilitate breeding activities in root and tuber crops?

Colletotrichum gloeosporioides is the causal agent of yam anthracnose disease in Nigeria. Differential cultivars and amplified fragment length polymorphic DNA markers were used to assess the extent of genetic diversity among 39 isolates of the pathogen. Fourteen (14) pathotypes of the pathogen we...


Aduramigba-Modupe, A.O.Asiedu, RobertOdebode, C.A.Owolade, F.[Genetic diversity of Colletotrichum gloeosporioides in Nigeria using amplified fragment length polymorphismA (AFLP) markers]Genetic diversity of Colletotrichum gloeosporioides in Nigeria using amplified fragment length polymorphismA (AFLP) markers

Saski, C.A.Bhattacharjee, R.Scheffler, B.E.Asiedu, Robert[Genomic resources for water yam (Dioscorea alata L.): analyses of EST sequences, De Novo sequencing and GBS libraries]Genomic resources for water yam (Dioscorea alata L.): analyses of EST sequences, De Novo sequencing and GBS libraries

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