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Article
Sites regression and shifted multiplicative model clustering of cultivar trial sites under heterogeneity of error variances
(1997)
Previous papers have developed the shifted multiplicative model with one multiplicative term (SHMM1) as a model for clustering yield trial sites or cultivars into groups in which cultivar rank changes are statistically ...
Article
CIMMYT's genetic progress in wheat grain quality under four nitrogen rates
(1997)
Wheat (Triticum aestivum L.) breeders often try to simultaneously improve grain yield and bread-making quality. This study examined changes in CIMMYT's wheat germplasm with respect to grain protein concentration (GPC)- and ...
Article
Macro-economic linkages to agriculture: a general equilibrium model for Sudan
(1996)
Unfavourable macro-economic conditions are often blamed for the failure of devaluation and liberalisation policies to correct the bias against agricultural exports in Sudan. A general equilibrium model, with an endogenous ...
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Article
Suppression expression of resistance to stripe rust in synthetic hexaploid wheat (Triticum turgidum x T. tauschii)
(1995)
Some 74 hexaploid wheats, synthesized by either crossing resistant Triticum turgidum var. durum [T. durum] with susceptible/intermediate T. tauschii [Aegilops squarrosa] or susceptible/intermediate T. turgidum with resistant ...
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Article
Geography in the International Agricultural Research Centers: theoretical and practical concerns
(1990)
The INternational Agricultural Research Centers of the Consultative Group on International Agricultural Research comprise a system for interdisciplinary work on Third World agrarian systems combining the physical and the ...
Article
Breeding disease-resistant wheats for tropical highlands and lowlands
(1996)
Wheat is grown on about 10 million ha in the tropical highlands and lowlands of the world, where it is an important food source. Many farmers in these areas work under subsistence conditions. Wheat diseases in tropical ...