Comparativo de rendimiento en híbridos nacionales e internacionales de maíz bajo condiciones del valle de Pativilca, Lima, Perú

N. H. Fabián; D. B. Luis; R. H. Tirado

doi:10.51431/par.v2i2.643

Authors

N. H. Fabián Escuela de Ingeniería Agronómica, Universidad Nacional José Faustino Sánchez Carrión, Lima, Perú
D. B. Luis Departamento de Agronomía, Universidad Nacional José Faustino Sánchez Carrión, Lima, Perú
R. H. Tirado Departamento de Agronomía, Universidad Nacional José Faustino Sánchez Carrión, Lima, Perú

DOI:

https://doi.org/10.51431/par.v2i2.643

Keywords:

Corn hybrids, grain yield, agronomic trial

Abstract

Objectives: To evaluate the effect of national hybrids against international hybrids of hard yellow corn under the conditions of the Pativilca valley, Lima, Peru. Methodology: The agronomic trial was carried out in Pativilca (Lima, Peru). A randomized complete block design was used with 7 treatments, 3 national hybrids, 3 international and a control variety. For the comparison of means, the Tukey test was used, P=95%. The variables analyzed were: plant and ear height, male and female flowering, number of ears/ plot, number of rows/ ear and grains/ear, grain weight and yield. Results: The results show Marginal T28 with greater plant and ear height (235.35 and 124.5 cm). Regarding the male and female flowering days, Marginal 28T was the latest, whereas DK-7088 and Megahibrido 619 were the earliest. Likewise, DK-7088 obtained a greater number of ears/plot in addition to greater length (19.03 cm) and ear diameter (5.91 cm), and Megahibrido 619 (16.03 and 5.05 cm). Regarding the number of rows/ear and number of grains /row, DK-7088 (16.78 and 44.23) was the outstanding one. DK-7088 obtained the highest ear weight and highest yield with 14.44 t ha-1, followed by Pioneer 30F35 (13.15 t ha-1) and Megahibrido 619 (11.66 t ha-1). Conclusions: The hybrid DK-7088 and the national hybrid Megahibrido 619 have ideal agronomic characteristics for maize grain production in the conditions of the Pativilca valley, Lima, Peru.

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