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Revista mexicana de ciencias agrícolas

versión impresa ISSN 2007-0934


MARTINEZ-GUTIERREZ, Aarón et al. Yield of corn hybrids in response to foliar fertilization with biostimulants. Rev. Mex. Cienc. Agríc [online]. 2022, vol.13, n.2, pp.289-301.  Epub 01-Ago-2022. ISSN 2007-0934.

The use of biostimulants has been an agricultural strategy for increasing crop yields and quality. The objective of this work was to evaluate the effect of biostimulants on the yield and components of corn hybrids (Zea mays L.) in the High Valleys of the State of Mexico. The sowing was carried out during the spring summer 2017 cycle in three environments (Jocotitlán, Temascalcingo, Jilotepec). Eleven corn hybrids were evaluated (TSIRI PUMA; ATZIRI PUMA; TLAOLI PUMA; IXIM PUMA, H-50, #46#48; H-66; H-76; H-77; H-47AE and H-49AE). The foliar treatments with biostimulants were the following: B1= control; B2=Eurobor; B3= Euroligo; B4= Eurodual; B5= Euroalg. Evaluations included: grain yield, straw production, rows per cob, grains per row, grains per cob, volumetric weight, weight of 200 grains, and cob diameter. For all variables, a combined analysis of variance, a mean comparison test (Tukey) and a correlation analysis (Pearson) were performed. Between environments, hybrids and biostimulants there were significant differences. In Temascalcingo, higher grain yield was observed with 13.5 t ha-1. The hybrids had yields higher than those of studies reported in the literature, and the genotypes H-66, H-50 and H-76 stand out in the present study. Biostimulants increased grain yield from 7.9 to 11.4%, with respect to the control, and positively affected the agronomic components of the hybrids evaluated. Biostimulants are an alternative in complementary fertilization to increase production in the cultivation of corn.

Palabras llave : Zea Mays L; high productivity; mineral nutrition; sustainable agriculture.

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