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Growth and N uptake in pot-grown maize, beans, and cassava were evaluated under 2 levels of soil N at CIAT-Palmira (Colombia). The lower amount of the element reduced its uptake by the 3 species, resulting in lower tissue concn., especially in the leaves. Under low N, DM accumulation was also red...


Porto, M.C.M.El-Sharkawy, Mabrouk A.Cock, James H.Hernández, A. del P.Cadena, G. de[Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo]Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo
Epperson, James E.Pachico, Douglas H.Guevara Gómez, Claudia Patricia[The cost of maintaining genetic resources for cassava Manihot esculenta Crantz]The cost of maintaining genetic resources for cassava Manihot esculenta Crantz
Wang, C.Lentini, ZTabares, EQuintero, M.Ceballos, H.Dedicova, BeataSautter, CZhang, P.Olaya, C.[Microsporogenesis and pollen formation in cassava]Microsporogenesis and pollen formation in cassava

A genetic linkage map of cassava has been constructed with 132 RFLPs, 30 RAPDs, 3 microsatellites, and 3 isoenzyme markers segregating from the heterozygous female parent of an intraspecific cross. The F1 cross was made between ‘TMS 30572’ and ‘CM?2177-2’, elite cassava cultivars from Nigeria and...


Fregene, Martin A.Angel, F.Gómez, R.Rodríguez, F.Chavarriaga Aguirre, PaulRoca, William M.Tohme, Joseph M.Bonierbale, Merideth W.[A molecular genetic map of cassava (Manihot esculenta Crantz)]A molecular genetic map of cassava (Manihot esculenta Crantz)

The quality of cassava starch, an important trait in cassava breeding programs, determines its applications in various industries. For example, development of waxy (having a low level of amylose) cassava is in demand. Amylose is synthesized by granule-bound starch synthase I (GBSSI) in plants, an...


Zhao, SSDufour, D.L.Sánchez, T.Ceballos, H.Zhang, P.[Development of waxy Cassava with different biological and physico-chemical characteristics of starches for industrial applications]Development of waxy Cassava with different biological and physico-chemical characteristics of starches for industrial applications

Summary: Xanthomonas axonopodis pv. manihotis (Xam) is the causative agent of cassava bacterial blight (CBB), a worldwide disease that is particularly destructive in South America and Africa. CBB is controlled essentially through the use of resistant varieties. To develop an appropriate disease m...


Restrepo, S.Duque E., Myriam CristinaTohme, Joseph M.Verdier, Valérie[AFLP fingerprinting : An efficient technique for detecting genetic variation of Xanthomonas axonopodis pv. manihotis]AFLP fingerprinting : An efficient technique for detecting genetic variation of Xanthomonas axonopodis pv. manihotis

Despite the worldwide importance of cultivated cassava (M. esculenta Crantz) its origin and taxonomic relationships with other species in the genus have not been clearly established. We evaluated a representative sample of the crop’s diversity and six wild taxa with AFLPs to estimate genetic rela...


Roa, ACMaya, M.M.Duque E., Myriam CristinaTohme, Joseph M.Allem, ACBonierbale, Merideth W.[AFLP analysis of relationships among cassava and other Manihot species]AFLP analysis of relationships among cassava and other Manihot species

Cassava bacterial blight (CBB) is caused by Xanthomonas axonopodis pv. manihotis (Xam). Resistance is found in Manihot esculenta and, in addition, has been introgressed from a wild relative, M. glaziovii. The resistance is thought to be polygenic and additively inherited. Ninety-three varieties o...


Sánchez, G.M.Restrepo, S.Duque E., Myriam CristinaFregene, Martin A.Bonierbale, Merideth W.Verdier, Valérie[AFLP assessment of genetic variability in cassava accessions (Manihot esculenta) resistant and susceptible to the cassava bacterial blight (CBB)]AFLP assessment of genetic variability in cassava accessions (Manihot esculenta) resistant and susceptible to the cassava bacterial blight (CBB)

Amplified fragment length polymophism was assessed in 20 land races and nine elite lines of cassava from Africa, resistant and susceptible to the cassava mosaic disease (CMD). Eleven accessions from a representative core collection from Latin America, previously studied by AFLPs, were included as...


Fregene, Martin A.Bernal, A.Duque E., Myriam CristinaDixon, Alfred G.O.Tohme, Joseph M.[AFLP analysis of African cassava (Manihot esculenta Crantz) germplasm resistant to the cassava mosaic disease (CMD)]AFLP analysis of African cassava (Manihot esculenta Crantz) germplasm resistant to the cassava mosaic disease (CMD)
Pérez Velásquez, Juan CarlosCeballos, H.Ramírez, I.C.Lenis, Jorge I.Calle, FMorante, N[Adjustment for missing plants in cassava evaluation trials]Adjustment for missing plants in cassava evaluation trials

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