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Journal Article 2018

Yam tuber and maize grain yield response to cropping system intensification in south-west Nigeria

Autor: Enesi, R.O. Hauser, S. López Montez, A. Osonubi, O.

Four factorial trials were conducted with yam (Dioscorea rotundata Poir.) at Ibadan, Nigeria from 2013 to 2015, investigating effects of (1) tillage (2) fertilizer (3) intercropping (4) yam plant densities. Yam tuber yields varied between years (2013: 16.44 Mg ha−1; 2014: 10.08 Mg ha−1; 2015 26.6...

Enlace original: https://cgspace.cgiar.org/handle/10568/103504

Investigación en Agricultura

PLANT POPULATION

INTERCROPPING

FERTILIZERS

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Enesi, R.O. , Hauser, S. , López Montez, A. , Osonubi, O. , [Yam tuber and maize grain yield response to cropping system intensification in south-west Nigeria] , Yam tuber and maize grain yield response to cropping system intensification in south-west Nigeria

Journal Article 2007

Texture profile analysis applied to pounded yam

Autor: Otegbayo, B. Aina, J. Abbey, L. Sakyi‐Dawson, E. Bokanga, M. Asiedu, Robert

Textural quality of pounded yam made from tubers of Dioscorea rotundata Poir. and Dioscorea alata L. that were freshly harvested or stored for 4 months were evaluated using texture profile analysis. Significant correlations were obtained between the values for texture attributes evaluated using s...

Enlace original: https://cgspace.cgiar.org/handle/10568/92173

Investigación en Agricultura

TEXTURAL QUALITY OF POUNDED YAM

TEXTURE PROFILE ANALYSIS

YAMS

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Otegbayo, B. , Aina, J. , Abbey, L. , Sakyi‐Dawson, E. , Bokanga, M. , Asiedu, Robert , [Texture profile analysis applied to pounded yam] , Texture profile analysis applied to pounded yam

Journal Article 1992

Local alternatives to plastic mulch in seed yam production

Autor: Ilona, P. Dixon, A.

Enlace original: https://cgspace.cgiar.org/handle/10568/98638

Investigación en Agricultura

YAMS

TECHNOLOGY

FARMERS

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Ilona, P. , Dixon, A. , [Local alternatives to plastic mulch in seed yam production] , Local alternatives to plastic mulch in seed yam production

Book 1992

Elasticities of demand for major food items in a root and tuberbased food system: emphasis on yam and cassava in Southeastern Nigeria: RCMP research monograph, No. 11

Autor: Nweke, F. Okorji, E. Njoku, J. King, D.

Enlace original: https://cgspace.cgiar.org/handle/10568/98751

Investigación en Agricultura

YAMS

ROOT CROPS

FOODS

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Nweke, F. , Okorji, E. , Njoku, J. , King, D. , [Elasticities of demand for major food items in a root and tuberbased food system: emphasis on yam and cassava in Southeastern Nigeria: RCMP research monograph, No. 11] , Elasticities of demand for major food items in a root and tuberbased food system: emphasis on yam and cassava in Southeastern Nigeria: RCMP research monograph, No. 11

Journal Article 2007

Characterization of the photosynthetic pathway of some tropical food yams (Dioscorea spp.) using leaf natural 13C abundance

Autor: Cornet, D. Sierra, J. Bonhomme, R.

A total of 23 genotypes belonging to seven tropical food yams and two wild relative species of different origin and coming from two sampling ecological zones (the Republic of Benin in Africa and Guadeloupe in the Caribbean) was analysed for their 13C content. The δ13C values for all yam samples (...

Enlace original: https://cgspace.cgiar.org/handle/10568/92158

Investigación en Agricultura

CULTIVAR DIFFERENCES

ZEA

PHOTOSYNTHESIS

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Cornet, D. , Sierra, J. , Bonhomme, R. , [Characterization of the photosynthetic pathway of some tropical food yams (Dioscorea spp.) using leaf natural 13C abundance] , Characterization of the photosynthetic pathway of some tropical food yams (Dioscorea spp.) using leaf natural 13C abundance

Journal Article 2007

Search for Scutellonema bradys resistance in yams (Dioscorea spp.)

Autor: Kwoseh, C.K. Plowright, R.A. Bridge, J. Asiedu, Robert

A study to examine variability in susceptibility of yams to Scutellonema bradys and to identify possible sources of resistance in Ghanaian yam germplasm (Dioscorea spp.) for use in yam improvement programmes, particularly, in West Africa was undertaken. Pot and field screening methodologies were ...

Enlace original: https://cgspace.cgiar.org/handle/10568/91462

Investigación en Agricultura

SCUTELLONEMA BRADYS

DIOSCOREA

NEMATODES

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Kwoseh, C.K. , Plowright, R.A. , Bridge, J. , Asiedu, Robert , [Search for Scutellonema bradys resistance in yams (Dioscorea spp.)] , Search for Scutellonema bradys resistance in yams (Dioscorea spp.)

Journal Article 2011-01

Physicochemical properties of yam starch: effect on textural quality of yam food product (pounded yam)

Autor: Otegbayo, B. Bokanga, M. Asiedu, Robert

Yam (Dioscorea spp.) is the second most important root and tuber crop in Africa after cassava. This study was conducted to determine the relationship between physicochemical properties of yam starch (amylose and amylopectin, swelling, solubility and water binding capacity) and the textural qualit...

Enlace original: https://cgspace.cgiar.org/handle/10568/82645

Investigación en Agricultura

YAMS

FOOD QUALITY

PHYSICOCHEMICAL PROPERTIES

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Otegbayo, B. , Bokanga, M. , Asiedu, Robert , [Physicochemical properties of yam starch: effect on textural quality of yam food product (pounded yam)] , Physicochemical properties of yam starch: effect on textural quality of yam food product (pounded yam)

Journal Article 2006

Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana

Autor: Otoo, E. Okonkwo, C. Asiedu, Robert

Seven white yam (Dioscorea rotundata Poir.) genotypes (1 local and 6 hybrids from IITA) were evaluated in 13 environments using randomized complete block design (RCBD) with 3 replications. The environments were Fumesua (forest) from 2000 to 2004 and Wenchi (forest Guinea savannah transition) from...

Enlace original: https://cgspace.cgiar.org/handle/10568/91751

Investigación en Agricultura

AMMI1

G X E

HYBRID

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Otoo, E. , Okonkwo, C. , Asiedu, Robert , [Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana] , Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana

Book Chapter 1997

Germplasm conservation in food yams (Dioscorea spp.): constraints, application and future prospects

Autor: Ng, S.Y.C. Ng, N.Q.

Enlace original: https://cgspace.cgiar.org/handle/10568/103840

Investigación en Agricultura

YAMS

STORAGE

GERMPLASM

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Ng, S.Y.C. , Ng, N.Q. , [Germplasm conservation in food yams (Dioscorea spp.): constraints, application and future prospects] , Germplasm conservation in food yams (Dioscorea spp.): constraints, application and future prospects

Journal Article 2007

Duration from vine emergence to flowering suggests a longday or rate of change of photoperiod response in white yam (Dioscorea rotundata Poir)

Autor: Ile, E.I. Craufurd, Peter Q. Asiedu, Robert Battey, N.H.

The objective of this study was to quantify the effect of photoperiod on the duration from vine (shoot) emergence to flowering in white or Guinea yam (Dioscorea rotundata). The duration from vine emergence to flowering in two clonal varieties of yam (TDr 131 and TDr 99-9) was recorded at 10 diffe...

Enlace original: https://cgspace.cgiar.org/handle/10568/92198

Investigación en Agricultura

DIOSCOREA ROTUNDATA

FLOWERING

PHOTOPERIOD

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Ile, E.I. , Craufurd, Peter Q. , Asiedu, Robert , Battey, N.H. , [Duration from vine emergence to flowering suggests a longday or rate of change of photoperiod response in white yam (Dioscorea rotundata Poir)] , Duration from vine emergence to flowering suggests a longday or rate of change of photoperiod response in white yam (Dioscorea rotundata Poir)

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[U18ArtEnesiYamInthomDev.pdf]

[U92ArtIlonaLocalNothomNodev.pdf]

[U92BkNwekeElasticitiesNothomDev.pdf]