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Germinación-vigor de semilla de cinco especies de gramÃneas forrajeras
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ISBN10: 6202169125
ISBN13: 9786202169127
Publisher: Edit Academica Espanola
Published: Oct 2 2018
Pages: 88
Weight: 0.31
Height: 0.21 Width: 6.00 Depth: 9.00
Language: Spanish
ISBN13: 9786202169127
Publisher: Edit Academica Espanola
Published: Oct 2 2018
Pages: 88
Weight: 0.31
Height: 0.21 Width: 6.00 Depth: 9.00
Language: Spanish
La investigación, se realizó en laboratorio e invernadero, en la Universidad Autónoma Agraria Antonio Narro, Saltillo, Coahuila, se utilizó semilla de cinco especies de gramÃneas forrajeras. Los tratamientos evaluados de concentraciones de salinidad utilizando cloruro de potasio (KCl) ajustados a las siguientes conductividades eléctricas expresadas en decisiemens/metro (dS/m): T1=Testigo, T2=5 dS/m, T3=10 dS/m, T4=15 dS/m, T5=20 dS/m y T6=25 dS/m. Las variables evaluadas: capacidad de germinación (CG) con las pruebas de vigor, Ãndice velocidad de germinación (IVG), Ãndice velocidad de emergencia (IVE), longitud media de plúmula (LMP), longitud media de radÃcula (LMR) y peso seco de plántulas (PSP). La información se analizó mediante un diseño completamente al azar con arreglo factorial con cuatro repeticiones. Los resultados indican que existen diferencias altamente significativas entre especies, en las variables estudiadas, en los dos ambientes. Se concluye que las especies más tolerantes a el efecto de sales en el proceso de germinación y vigor son: Tanzania y Brizantha, ya que al establecerlos en suelos con altos niveles de salinidad pueden tener éxito.
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