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Selección de cultivares de Panicum maximum Jacq con características forrajeras y alto índice de calidad

By: Contributor(s): Material type: ArticleArticleLanguage: Spanish Description: 17(2):117-122Subject(s): In: Pastos y Forrajes (Cuba)Summary: Durante 2 años, en condiciones de secano y sin fertilización, fueron evaluados 18 cvs. de guinea, mediante un diseño de bloques al azar con tres repeticiones. Se utilizaron como testigo los cvs. Likoni y Gigante Azul por su rendimiento de MS y calidad respectivamente. Se encontró diferencias significativas (P menor que 0,05) entre los tratamientos para los caracteres rendimiento de MS, índice de calidad y porcentaje de hojas para ambas épocas (lluviosa y poco lluviosa). Se seleccionaron los cvs. T-92, T-62 y K-193 en función de la MS (318,8; 306,9 y 284,4 g MS/macolla respectivamente) para el período poco lluvioso y por el índice de calidad (20,6; 20,0 y 20,0 respectivamente) en la misma época. Se sugiere que los cultivares mencionados sean incluidos en las fases superiores del esquema nacional de evaluación por poseer grandes perspectivas como forrajeras de alta calidad y con posibilidades de propagarse a través de semilla; se recomienda su utilización como progenitores masculinosSummary: Eighteen cvs. of guinea grass were evaluated under dry conditions without fertilization during two years using a randomized block design with three repetitions. Were used two controls (cv. Likoni and Gigante Azul) for it's DM yield and quality, respectively. There were found significative differences (P less than 0,05) among treatments for the character DM yield, quality index and leafs percentage for both seasons (dry and wet). Cvs. T-92, T-62 and K-193 were selected according to its DM yield (318,8; 306,9 and 284,4 g DM/bunch, respectively) for dry period and for its quality index (20,6; 20,0 and 20,0 respectively) at the same season. It is suggested that the cultivars mentioned are included to the superior phases of the national scheme of evaluation because they have great perspectives as forage of high quality wich possibility to be extended through seed. It is recommended their utilization as masculine progenitors
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Durante 2 años, en condiciones de secano y sin fertilización, fueron evaluados 18 cvs. de guinea, mediante un diseño de bloques al azar con tres repeticiones. Se utilizaron como testigo los cvs. Likoni y Gigante Azul por su rendimiento de MS y calidad respectivamente. Se encontró diferencias significativas (P menor que 0,05) entre los tratamientos para los caracteres rendimiento de MS, índice de calidad y porcentaje de hojas para ambas épocas (lluviosa y poco lluviosa). Se seleccionaron los cvs. T-92, T-62 y K-193 en función de la MS (318,8; 306,9 y 284,4 g MS/macolla respectivamente) para el período poco lluvioso y por el índice de calidad (20,6; 20,0 y 20,0 respectivamente) en la misma época. Se sugiere que los cultivares mencionados sean incluidos en las fases superiores del esquema nacional de evaluación por poseer grandes perspectivas como forrajeras de alta calidad y con posibilidades de propagarse a través de semilla; se recomienda su utilización como progenitores masculinos spa

Eighteen cvs. of guinea grass were evaluated under dry conditions without fertilization during two years using a randomized block design with three repetitions. Were used two controls (cv. Likoni and Gigante Azul) for it's DM yield and quality, respectively. There were found significative differences (P less than 0,05) among treatments for the character DM yield, quality index and leafs percentage for both seasons (dry and wet). Cvs. T-92, T-62 and K-193 were selected according to its DM yield (318,8; 306,9 and 284,4 g DM/bunch, respectively) for dry period and for its quality index (20,6; 20,0 and 20,0 respectively) at the same season. It is suggested that the cultivars mentioned are included to the superior phases of the national scheme of evaluation because they have great perspectives as forage of high quality wich possibility to be extended through seed. It is recommended their utilization as masculine progenitors eng

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