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EFECTO DE TRATAMIENTOS PREGERMINATIVOS CON ÁCIDO SULFÚRICO (H2SO4) EN SEMILLAS DE Leucaena leucocephala (Lam.) de Wit.  [2012]

Efrén Insuasty Santacruz William Ballesteros Possú German Chávez Jurado Andres I. Quintero Dias Universidad de Nariño [Corporate Author]

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The effect of pre - germinative treatments and morphological characteristics of seeds and seedlings of Leucaena leucocephala (Lam.) de Wit. were evaluated. The seeds were treated with H2SO4 concentrations of: 50%, 75% and 100%, and immersing them for 5 and 10 minutes, each treatment had four replications with 100 seeds each one. Every four days, the germination percentage (GP) and germination rate (TG) were measured, and furthermore to 32 days the number of leaves (NH), seedling height (AP), roots length (LR), diameter the root (DR) and stem (DT) too. Germination started on the fourth day and remained constant through 20 days. The treatments with H2SO4 50 and 75% and immersion for 10 minutes were the best with 83.33% and 89.33% germination. The TG ranged from 4.7 to 14.5 days. A positive correlation (P

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Investigación Pecuaria

ISSN : 2248-4558