Accelerated aging in evaluating the quality of seed physiology of Dalbergia nigra (Vell.) Fr. All
DOI:
https://doi.org/10.5433/1679-0359.2011v32n2p443Keywords:
Germination, Jacarandá-da-bahia, Vigor, Emergence, Seeds analysis.Abstract
The accelerated aging test is a possible option for evaluation of seeds vigor, however there is not enough information on your efficiency for forest seeds, as of Dalbergia nigra (Vell.) Fr. All. This study was conducted to investigate procedures to assess seed vigor by the accelerated aging test in seed forest, of Dalbergia nigra. For so much, an experiment was realized at Laboratory of Analysis of Seeds, in Universidad Federal of Paraíba, in Areia - PB, Brazil Northeast. Accelerated aging was performed at 41°C during 24, 48, 72 and 96 hours. Seeds were kept in plastic boxes with 40mL of distilled water in a B.O.D chamber. Seeds were tested for germination and moisture content before and after aging. The aging at both temperatures (41 ° C and 45 ° C) after 72 hours, affect the physiological quality of seeds of Dalbergia nigra (Vell.) Fr All., promoting reduction of viability and vigor.
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