Impact of nutrient omission technique on the formation of a simple hybrid of corn (Zea mays L.)

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dc.creatorAlberto Vecilla-Nicola
dc.creatorManuel Carrillo-Zenteno
dc.creatorWuellins Durango Cabanilla
dc.creatorEdwin Hasang-Morán
dc.creatorBetty Rivadeneira-Moreira
dc.creatorYelitza García-Orellana
dc.date2025
dc.date.accessioned2026-07-07T03:30:57Z
dc.descriptionDue to the scarcity of information in Ecuador on the effect of nutrient omission in the fertilization of parents for the formation of a new maize hybrid, this research aimed to evaluate the impact of nutrient omission on the formation of a maize hybrid and its seed yield. The study was carried out at the Estación Experimental Tropical Pichilingue (EETP) del Instituto Nacional de Investigaciones Agropecuarias (INIAP), Los Ríos province, Ecuador. Six omission treatments were established -N, -P, -K, -Mg, -S, -B, complete fertilization (N, P, K, Mg, S, B), a treatment based on the application of a farmer and control. A randomized complete block design was used and the averages were differentiated using Tukey's test. The variables evaluated were: plant height (m), ear height (m), days to flowering, cob length (cm), cob diameter (mm), 100-seed weight (g), percentage of rotten ears, stem diameter (mm), stem and root lodging, chlorophyll levels, yield, partial productivity factor, agronomic efficiency and nutrient harvest index. The results obtained showed that the highest yield was obtained with the omission of the B (2,093 kg ha-1) fertilization plan causing a decrease of up to 42.02% in the partial productivity factor (PPF) and 425.14% of agronomic efficiency (AE) of the studied elements. Since the nutritional priorities of the parents of the corn hybrid had the sequence Mg>N>K=P>S>>B.
dc.formatapplication/pdf
dc.identifier0304-2847
dc.identifierhttps://www.redalyc.org/articulo.oa?id=179982049003
dc.identifierhttps://www.redalyc.org/journal/1799/179982049003/
dc.identifierhttps://www.redalyc.org/journal/1799/179982049003/html/
dc.identifierhttps://www.redalyc.org/journal/1799/179982049003/179982049003.epub
dc.identifierhttps://www.redalyc.org/journal/1799/179982049003/movil
dc.identifier10.15446/rfnam.v78n1.113460
dc.identifier.urihttp://hdl.handle.net/123456789/436080
dc.languageen
dc.publisherUniversidad Nacional de Colombia
dc.relationhttp://www.redalyc.org/revista.oa?id=1799
dc.rightsRevista Facultad Nacional de Agronomía - Medellín
dc.sourceRevista Facultad Nacional de Agronomía - Medellín (Colombia) Num.1 Vol.78
dc.subjectAgrociencias
dc.titleImpact of nutrient omission technique on the formation of a simple hybrid of corn (Zea mays L.)
dc.typeartículo científico

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Revista Facultad Nacional de Agronomía - Universidad Nacional de Colombia