Quality control

Measurements of experimental precision for trials with cowpea (Vigna unguiculata L. Walp.) genotypes

P. E. Teodoro, Torres, F. E., Santos, A. D., Corrêa, A. M., Nascimento, M., Barroso, L. M. A., Ceccon, G., Teodoro, P. E., Torres, F. E., Santos, A. D., Corrêa, A. M., Nascimento, M., Barroso, L. M. A., and Ceccon, G., Measurements of experimental precision for trials with cowpea (Vigna unguiculata L. Walp.) genotypes, vol. 15, p. -, 2016.

The aim of this study was to evaluate the suitability of statistics as experimental precision degree measures for trials with cowpea (Vigna unguiculata L. Walp.) genotypes. Cowpea genotype yields were evaluated in 29 trials conducted in Brazil between 2005 and 2012. The genotypes were evaluated with a randomized block design with four replications. Ten statistics that were estimated for each trial were compared using descriptive statistics, Pearson correlations, and path analysis.

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