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Poder germinativo de Polylepis incana con aplicación de diferentes tratamientos de agua


 
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Revista Cubana de Ciencias Forestales

 ISSN 2310-3469

CANALES GUTIERREZ, Ángel    HUARASA VILCA, Yanina Ruth. Poder germinativo de Polylepis incana con aplicación de diferentes tratamientos de agua. []. , 8, 3, pp. 495-506.   08--2020. ISSN 2310-3469.

^a

Polylepis incana Kunth (queñoa), es una especie que posee diversos usos locales, sin embargo, presenta un bajo poder germinativo en condiciones naturales. El objetivo de la investigación fue comparar el poder germinativo de Polylepis incana, con tratamientos de agua de coco, residual y de pozo. Se instaló un experimento con tres tipos de agua y cinco dosis de agua (5, 10, 15, 20 y 25 ml). La germinación se desarrolló en 15 bandejas, en cada una se adicionó 750 g de sustrato y 20 semillas. El riego se realizó diariamente con diferentes cantidades de agua, desde 5 a 25 ml. Se registró el porcentaje de poder germinativo, temperatura y pH del suelo de forma diaria. Los análisis estadísticos fueron realizados en el programa INFOSTAT. El mayor poder germinativo de semillas, se registró con riegos con agua residual (9 %), mientras que las semillas regadas con agua de coco y de pozo alcanzaron un 4 %. Por tanto, se ha obtenido un 9 % de poder germinativo de semillas de P. incana, regadas con agua residual.

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Polylepis incana Kunth (queñoa), é uma espécie que tem várias utilizações locais, no entanto, apresenta um baixo poder germinativo em condições naturais. O objetivo da investigação era comparar o poder germinativo da Polylepis incana, com tratamentos de coco, resíduos e água de poços. Foi realizada uma experiência com três tipos de água e cinco doses de água (5, 10, 15, 20 e 25 ml). A germinação foi desenvolvida em 15 tabuleiros, em cada um deles foram adicionados 750 g de substrato e 20 sementes. A irrigação foi feita diariamente com diferentes quantidades de água, de 5 a 25 ml. A percentagem do poder germinativo, temperatura e pH do solo foram registados diariamente. As análises estatísticas foram levadas a cabo no programa INFOSTAT. O maior poder germinativo das sementes foi registado com irrigação com água residual (9 %), enquanto as sementes irrigadas com coco e água de poço atingiram 4 %. Portanto, 9 % do poder germinativo foi obtido a partir de sementes de P. incana irrigadas com águas residuais.

^lpt^a

Polylepis incana Kunth (queñoa), is a species that has diverse local uses; however, it has a low germination power in natural conditions. The objective of this research was to compare the germination power of Polylepis incana, with coconut, residual and untreated water treatments. An experiment was set up with three types of water and five doses of water (5, 10, 15, 20 and 25 ml). The germination was developed in 15 trays, in each one 750 g of substrate and 20 seeds were added. The irrigation was done daily with different amounts of water, from 5 to 25 ml. The percentage of germination power, temperature and soil pH were recorded daily. The statistical analyses were carried out in the INFOSTAT program. The highest germination power of seeds was registered with irrigation with residual water (9 %), while seeds irrigated with coconut and untreated water reached 4 %. Therefore, a 9 % germination power of P. incana seeds, irrigated with residual water, was obtained.

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