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Leguminosas naturalizadas en el Valle del Cauto, Cuba

Gomez, I. ; Cordovi, E. ; Benitez, D.G. ; Lopez, R.C. ; Nuviola, Y. ; Olivera, Yuseika

Pastos y Forrajes, 2010, Vol.33(4) [Periódico revisado por pares]

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  • Título:
    Leguminosas naturalizadas en el Valle del Cauto, Cuba
  • Autor: Gomez, I. ; Cordovi, E. ; Benitez, D.G. ; Lopez, R.C. ; Nuviola, Y. ; Olivera, Yuseika
  • É parte de: Pastos y Forrajes, 2010, Vol.33(4)
  • Descrição: Con el objetivo de evaluar la dinamica de crecimiento de 24 accesiones del genero Brachiaria spp., se desarrollo la presente investigacion en la region de Barrancabermeja, Santander, Colombia. Se utilizo un diseno experimental completamente aleatorizado, en 72 parcelas de 21 [m.sup.2] cada una y tres replicas (parcelas) para cada tratamiento. Las accesiones fueron agrupadas segun los habitos de crecimiento en: estoloniferas, decumbentes y erectas, y se determino la tasa de crecimiento en funcion de la altura del pasto. Las accesiones con mejor crecimiento durante la investigacion fueron: de las estoloniferas, B. dictyoneura CIAT-6133; de las de habito decumbente, B. decumbens CIAT- 606; y de las de crecimiento erecto, B. brizantha CIAT-16113, CIAT-26110, CIAT-26318 y CIAT-16322. Algunas accesiones no tuvieron un buen comportamiento, al parecer por las condiciones edafoclimaticas a las que fueron sometidas. Entre ellas se encuentran B. dictyoneura CIAT-16871, B. ruziziensis CIAT-26180 y B. brizantha CIAT-16212, 26124 y 26427. Palabras clave: Brachiaria spp., crecimiento, suelo acido With the objective of prospect and collect the naturalized legumes for livestock production usage in the Cauto Valley, Cuba, two searches were made in representative zones of the region. The first search was conducted in the territory located west of Bayamo city, where there are different soils and rainfall regimes, and the second one on soils affected by salinity. In prospection number 1 the presence of 17 genera was determined and within them a total of 22 species, among which the following prevailed: Galactia spiciformis, Centrosema molle, Desmodium triflorum and Teramnus uncinatum; the existence of an important number of species was also known on vertisol soils with deficient drainage, which edaphic grouping constitutes the most extended in the region, and on the other hand, the associability degree of each legume with other species of the spontaneous vegetation present in the search areas, was characterized. In prospection number 2 four and five genera were found on areas with weak and moderate fertility levels, respectively, and Desmanthus virgatus stood out due to the abundance in the number of individuals. It is concluded that under the conditions these prospections were made, there is a rich potential of naturalized legumes with multiplication and usage possibilities in the region. Key words: Legumes, salinity, soil type
  • Idioma: Espanhol

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