Universidad Nacional Agraria La Molina. Facultad de Agronomía. Departamento Académico de Fitotecnia

The physiological quality of seeds is essential for ensuring efficient agricultural production. This study evaluated the interaction between light type (LED, fluorescent, darkness) and mechanical scarification on seed germination and viability. A completely randomized design (CRD) with a 3 × 2 factorial arrangement assessed six treatments involving scarified and non-scarified seeds. Seeds collected from three locations were dried, pretreated with tap water to overcome dormancy, and evaluated using the Between-Paper Method (BP) in light chambers with 100 seeds per replication. A 1 % tetrazolium viability test was conducted on scarified seeds, incubated at 30 °C for 18 hours to confirm embryo viability. Germination percentages were calculated based on the number of normal seedlings per treatment. Statistical analysis revealed a significant interaction between light type and micropyle sca...