This dataset belongs to value of cultivation and use maize trials of Embrapa Maize and Sorghum, and was used by Dias et al. (2022). It contains the grain yield of 32 single-cross hybrids and four commercial checks (36 genotypes in total) evaluated in 16 locations across five regions or mega-environments. These trials were laid out in incomplete blocks design, using a block size of 6 and two replications per trial.
Source
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Dias, K. O. G, Santos J. P. R., Krause, M. D., Piepho H. -P., Guimarães, L. J. M.,
Pastina, M. M., and Garcia, A. A. F. (2022). Leveraging probability concepts
for cultivar recommendation in multi-environment trials. Theoretical and
Applied Genetics, 133(2):443-455. \Sexpr[results=rd]{tools:::Rd_expr_doi("#1")}10.1007/s00122-022-04041-ytools:::Rd_expr_doi("10.1007/s00122-022-04041-y")