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Journal Article 2012-05

Autor: Obeng-Antwi, K. Craufurd, Peter Q. Menkir, A. Ellis, R.H. Sallah, P.Y.K.

Detailed knowledge of the genetic diversity among maize (Zea mays L.) germplasm is useful for their systematic and efficient use in breeding programmes. Two multivariate techniques were used to characterize 77 landraces collected from southern Ghana and four Ghanaian improved varieties. The ...

Enlace original: https://cgspace.cgiar.org/handle/10568/80859

Investigación en Agricultura
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Obeng-Antwi, K. ,  Craufurd, Peter Q. ,  Menkir, A. ,  Ellis, R.H. ,  Sallah, P.Y.K. ,  [Phenotypic diversity in maize landraces in Ghana] ,  Phenotypic diversity in maize landraces in Ghana
Journal Article 2019-02-19

Autor: Adnan, A.A. Diels, J. Jibrin, J.M. Kamara, A. Craufurd, Peter Q. Shaibu, A.S. Mohammed, B. Tonnang, Henri E.Z.

Most crop simulation models require the use of Genotype Specific Parameters (GSPs) which provide the Genotype component of G×E×M interactions. Estimation of GSPs is the most difficult aspect of most modelling exercises because it requires expensive and time-consuming field experiments. GSPs could...

Enlace original: https://cgspace.cgiar.org/handle/10568/101339

Investigación en Agricultura
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Adnan, A.A. ,  Diels, J. ,  Jibrin, J.M. ,  Kamara, A. ,  Craufurd, Peter Q. ,  Shaibu, A.S. ,  Mohammed, B. ,  Tonnang, Henri E.Z. ,  [Options for calibrating ceres-maize genotype specific parameters under data-scarce environments] ,  Options for calibrating ceres-maize genotype specific parameters under data-scarce environments
Journal Article 2009

Autor: Hamadina, E.I. Craufurd, Peter Q. Asiedu, Robert

White or Guinea yam (Dioscorea rotundata), grown for its underground tubers, is an important food in West Africa. Progress in yam breeding is constrained by variable flowering behaviour, making hybridization difficult. Yam clones may be dioecious, monoecious or hermaphrodite with variable sex rat...

Enlace original: https://cgspace.cgiar.org/handle/10568/90167

Investigación en Agricultura
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Hamadina, E.I. ,  Craufurd, Peter Q. ,  Asiedu, Robert ,  [Flowering intensity in white yam (Dioscorea rotundata)] ,  Flowering intensity in white yam (Dioscorea rotundata)
Journal Article 2011

Autor: Obeng-Antwi, K. Craufurd, Peter Q. Menkir, A. Ellis, R.H. Sallah, P.Y.K.

Information about landrace diversity has practical implications for its preservation, efficient management and effective utilization in breeding programmes. The objectives of the study were to (i) compare molecular and agronomic diversity estimates of two divergent landraces (AA007/92 and AA098/9...

Enlace original: https://cgspace.cgiar.org/handle/10568/89375

Investigación en Agricultura
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Obeng-Antwi, K. ,  Craufurd, Peter Q. ,  Menkir, A. ,  Ellis, R.H. ,  Sallah, P.Y.K. ,  [Intralandrace variability of two landraces in Ghana] ,  Intralandrace variability of two landraces in Ghana
Journal Article 2005

Autor: Ishiyaku, M. Singh, B. Craufurd, Peter Q.

Time to flowering and maturity is an important adaptive feature in annual crops, including cowpeas (Vigna unguiculata (L.) Walp.). In West and Central Africa, photoperiod is the most important environmental variable affecting time to flowering in cowpea. The inheritance of time from sowing to flo...

Enlace original: https://cgspace.cgiar.org/handle/10568/91887

Investigación en Agricultura
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Ishiyaku, M. ,  Singh, B. ,  Craufurd, Peter Q. ,  [Inheritance of time to flowering in cowpea (Vigna unguiculata (L.) Walp.)] ,  Inheritance of time to flowering in cowpea (Vigna unguiculata (L.) Walp.)
Journal Article 1999

Autor: Qi, A. Wheeler, T.R. Keatinge, J.D.H. Ellis, R.H. Summerfield, R.J. Craufurd, Peter Q.

Simple models of the growth and development of legume cover crops in di erent environments may aid the selection of species and genotypes most suitable for particular farming systems. The e ects of temperature and photoperiod on the daily rate of seedling emergence (1/t50%) and the rate of leaf a...

Enlace original: https://cgspace.cgiar.org/handle/10568/98028

Investigación en Agricultura
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Qi, A. ,  Wheeler, T.R. ,  Keatinge, J.D.H. ,  Ellis, R.H. ,  Summerfield, R.J. ,  Craufurd, Peter Q. ,  [Modelling the effects of temperature on the rates of seedling emergence and leaf appearance in legume cover crops] ,  Modelling the effects of temperature on the rates of seedling emergence and leaf appearance in legume cover crops
Journal Article 2009

Autor: Nigam, S. Waliyar, F. Aruna, R. Reddy, S. Kumar, P.L. Craufurd, Peter Q. Diallo, A. Ntare, B.R. Upadhyaya, Hari D.

Peanut plays an important role in the liveli-hoods of poor farmers and in the rural economy ofmany developing countries. Aflatoxin contamina-tion in peanut seeds, caused byAspergillus flavus,hampers international trade and adversely affectshealth of consumers of peanut and its products. It...

Enlace original: https://cgspace.cgiar.org/handle/10568/90182

Investigación en Agricultura
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Nigam, S. ,  Waliyar, F. ,  Aruna, R. ,  Reddy, S. ,  Kumar, P.L. ,  Craufurd, Peter Q. ,  Diallo, A. ,  Ntare, B.R. ,  Upadhyaya, Hari D. ,  [Breeding peanut for resistance to aflatoxin contamination at ICRISAT] ,  Breeding peanut for resistance to aflatoxin contamination at ICRISAT
Journal Article 2007

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
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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)
Journal Article 2018

Autor: Tonnang, Henri E.Z. Makumbi, Dan Craufurd, Peter Q.

Background The phenological development of the maize crop from emergence through flowering to maturity, usually expressed as a rate (i.e. 1/duration), is largely controlled by temperature in the tropics. Maize plant phenological responses vary between varieties and quantifying these responses can...

Enlace original: https://cgspace.cgiar.org/handle/10568/101455

Investigación en Agricultura
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Tonnang, Henri E.Z. ,  Makumbi, Dan ,  Craufurd, Peter Q. ,  [Methodological approach for predicting and mapping the phenological adaptation of tropical maize (Zea mays L.) using multi‑environment trials] ,  Methodological approach for predicting and mapping the phenological adaptation of tropical maize (Zea mays L.) using multi‑environment trials
Journal Article 2011-04-08

Autor: Jagadish, Krishna S.V. Cairns, Jill E. Kumar, Arvind Somayanda, Impa M. Craufurd, Peter Q.

Drought affected rice areas are predicted to double by the end of this century, demanding greater tolerance in widely adapted mega-varieties. Progress on incorporating better drought tolerance has been slow due to lack of appropriate phenotyping protocols. Furthermore, existing protocols do not c...

Enlace original: https://cgspace.cgiar.org/handle/10568/41941

Investigación en Agricultura
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Jagadish, Krishna S.V. ,  Cairns, Jill E. ,  Kumar, Arvind ,  Somayanda, Impa M. ,  Craufurd, Peter Q. ,  [Does susceptibility to heat stress confound screening for drought tolerance in rice?] ,  Does susceptibility to heat stress confound screening for drought tolerance in rice?

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