Effect of intercropping of cabbage, lettuce, parsley and chard on weed incidence and cabbage yield
Efecto de la asociación repollo, lechuga, perejil y acelga sobre la incidencia de malezas y el rendimiento del repollo
DOI:
https://doi.org/10.15446/rfnam.v78n1.113113Keywords:
Brassica oleracea L, Equatorial diameter, Lactuca sativa L, Polar diameter (en)Brassica oleracea L, Diámetro ecuatorial, Lactuca sativa L., Diámetro polar (es)
The present study aimed to evaluate the effect of the association of cabbage, lettuce, parsley and chard on the incidence of weeds and cabbage yield parameters. The research was conducted on the Facultad de Ciencias Agrarias campus of the Universidad de Concepción, Paraguay. The treatments consisted of cabbage (T1), cabbage+lettuce (T2), cabbage+chard (T3), and cabbage+parsley (T4). The trial was laid out in Randomized Complete Block Design (RCBD) with four treatments and six replications, totaling 24 Experimental Units (EUs). Measurements included the percentage of weed incidence, cabbage yield (ton ha-1), and equatorial and polar diameter of the head (cm). These mean values were subjected to analysis of variance (ANOVA) and when significant differences were found between treatments, the mean comparison was performed using the Tukey test at 5%. No significant differences were recorded for cabbage yield, equatorial, and polar diameter (P>0.05). It is concluded that the plant species used in this research in consortium with cabbage positively influenced reducing weed incidence and increasing cabbage yield, but did not significantly affect the equatorial and polar diameters of cabbage heads.
El presente trabajo tuvo como objetivo evaluar el efecto de la asociación de repollo, lechuga, perejil y acelga sobre la ocurrencia de malezas y parámetros de rendimiento del repollo. La investigación se realizó en el campus de la Facultad de Ciencias Agrarias de la Universidad de Concepción, Paraguay. Los tratamientos utilizados fueron repollo (T1), repollo+lechuga (T2), repollo+acelga (T3) y repollo+perejil (T4). El diseño utilizado fue el de parcelas subdivididas con cuatro tratamientos y seis repeticiones, totalizando 24 Unidades Experimentales (UE). Las determinaciones evaluadas fueron porcentaje de incidencia de malezas, rendimiento del repollo (ton ha-1) y diámetro ecuatorial y polar de la cabeza (cm). Estos valores fueron sometidos a un análisis de la varianza (ANOVA) y, cuando se encontraron diferencias significativas entre los tratamientos, la comparación de medias se realizó mediante la prueba de Tukey al 5%. No se registraron diferencias significativas para el rendimiento del repollo, el diámetro ecuatorial y polar (P>0,05). Se concluye que las especies vegetales utilizadas en este estudio en consorcio con el repollo influyeron positivamente en la reducción de la incidencia de la maleza y en el aumento del rendimiento del repollo, pero no afectaron significativamente a los diámetros ecuatorial y polar del repollo.
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