Efecto de la densidad de siembra sobre el rendimiento de la okra (Abelmoschus esculentus (L.) Moench), en el valle de Lerma, Salta, Argentina
; Galarce, M. ; Ruiz de los Llanos, R. Otros responsables
Fecha
08/2015
Editorial
Asociación Argentina de Horticultura
Revista
Horticultura Argentina
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ISSN
0327-3431
eISSN
1851-9342
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Español
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Resumen
La okra es una malvácea anual cultivada como hortaliza adaptada a climas tropicales y subtropicales. El manejo del cultivo es poco conocido en Salta y Argentina. El objetivo fue determinar la densidad de siembra más adecuada en el valle de Lerma evaluando su efecto sobre las componentes del rendimiento. Con un diseño de bloques completos al azar, con 12 réplicas, se compararon cuatro densidades de siembra de okra variedad Blue Sky que fueron 1, 2, 3 y 4 plantas por pozo, (T1, T2, T3 y T4), con filas a 70 cm y hoyos a 30 cm. Se sembró el 25/10/11 y la emergencia fue a los 21 días. Se cosecharon frutos inmaduros entre el 23/12/11 y el 28/03/12, con un tamaño entre 7-10 cm de largo. Se evaluó el nú- mero y peso total de frutos cosechados en todo el ciclo de producción y por fecha de cosecha. Para todas las variables analizadas, los menores valores promedio se observaron en T1, mientras que entre T2, T3 y T4, si bien se vio una tendencia en aumento, no existieron diferencias estadísticamente significativas. Por consiguiente y debido a la dificultad de conseguir la semilla en el país y por su alto costo, se recomienda sembrar dos semillas por pozo.
Okra is an annual Malvaceae cultivated as a vegetable crop and adapted to tropical and subtropical climate. There is no much crop management information in Salta and Argentina. The goal of this research was to determine the best plant density in the Lerma valley, Salta, Argentina. Treatments were four okra plant populations, cultivar Blue Sky (1, 2, 3 and 4 plants per hill: T1, T2, T3 y T4) evaluating its effect on the yield components. Experimental design was a randomized complete block with 12 blocks. The experiment was sown on October 25, 2011 and seed emergency happen 21 days after sowing. Fruits were harvested at immature stage from 23/12/11 to 28/03/12, with a size length from 7 to 10 cm. The parameters measured were: number and total fruit weight harvested in the whole production cycle and for each harvest date. For all parameters analyzed, the lower average values were observed in T1, but there were not statiscally differences between T2, T3 and T4. Nevertheless, there was a growing trend, although not statistically significant. It is recommended to plant two seeds per well (8 plants·m-2), because off the seed costs and for the difficulty of getting them in the Argentina.
Okra is an annual Malvaceae cultivated as a vegetable crop and adapted to tropical and subtropical climate. There is no much crop management information in Salta and Argentina. The goal of this research was to determine the best plant density in the Lerma valley, Salta, Argentina. Treatments were four okra plant populations, cultivar Blue Sky (1, 2, 3 and 4 plants per hill: T1, T2, T3 y T4) evaluating its effect on the yield components. Experimental design was a randomized complete block with 12 blocks. The experiment was sown on October 25, 2011 and seed emergency happen 21 days after sowing. Fruits were harvested at immature stage from 23/12/11 to 28/03/12, with a size length from 7 to 10 cm. The parameters measured were: number and total fruit weight harvested in the whole production cycle and for each harvest date. For all parameters analyzed, the lower average values were observed in T1, but there were not statiscally differences between T2, T3 and T4. Nevertheless, there was a growing trend, although not statistically significant. It is recommended to plant two seeds per well (8 plants·m-2), because off the seed costs and for the difficulty of getting them in the Argentina.
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