Germination and development of pecan cultivar seedlings by seed stratification
2015
Igor Poletto | Marlove Fátima Brião Muniz | Tales Poletto | Valdir Marcos Stefenon | Carine Baggiotto | Denise Ester Ceconi
Abstract: The objective of this work was to evaluate the effect of seed stratification on germination rate, germination speed, and initial development of seedlings of six pecan (Carya illinoinensis) cultivars under subtropical climatic conditions in southern Brazil. For stratification, the seeds were placed in boxes with moist sand, in a cold chamber at 4°C, for 90 days. In the fourteenth week after sowing, the emergence speed index, total emergence, plant height, stem diameter, and number of leaves were evaluated. Seed stratification significantly improves the germination potential and morphological traits of the evaluated cultivars.
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