Evaluación del tamaño de la parcela experimental en avena

Abstract

Con el fin de evaluar un nuevo tipo de parcela experimental; y medir el efecto de borde, se realiza¬ron ensayos comparativos de rendimiento en grano de 25 variedades de avena entre la parcela de uso convencional de 5 m vs. la parcela de 2,25 m de lon-gitud, bajo las condiciones ambientales de la Esta¬ción Experimental “Santa Catalina” del INIAP. Se efectuaron los análisis de variancia respecti¬vos, pruebas de correlación, de homogeneidad de varianza e hipótesis nula, para determinar el compor¬tamiento del material varietal en uno y otro tipo de parcela experimental.

Various experiments were conducted at the “Santa Catalina” Research Station of INIAP (Ecua¬dor) to determine the effectiveness of 2.25-meter- long-plots in comparison to the standard 5-meter- long-plots to measure oat (Avena sativa) yields. The effect to plot borders was also studied. To reach these objetives grain yields of 25 oat cultivars were evaluated. Analysis of variance, correlation analysis, homogeneity of variance and the nule hypothesis analysis were conducted. The results indicated that the 2.25-meter-long-plot is equally precise than the 5-meter-long one for measuring yields. No border effect was observed; however borders are recomended for practical reasons.