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Sites regression and shifted multiplicative model clustering of cultivar trial sites under heterogeneity of error variances
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 ...
Relationships among international testing sites of spring durum wheat
Knowledge of the relationships among international test sites will facilitate the effective targeting of germplasm exchange. Five years of grain yield data from the Elite Durum Yield Trial, consisting of 132 trials from ...
Interpreting genotype X environment interaction in wheat by partial least squares regression
The partial least squares (PLS) regression method relates genotype × environment interaction effects (GEI) as dependent variables (Y) to external environmental (or cultivar) variables as the explanatory variables (X) ...
Agronomic effects from chromosome translocations 7DL.7Ag and 1BL.1RS in spring wheat
In hexaploid wheat (Triticum aestivum L.) disease resistance genes transferred hom alien sources are often associated,vith undesirable traits. Replicated trials using near-isogenic lines of spring wheat 'Seri 82' were ...