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Revista Brasileira de Sementes
Print version ISSN 0101-3122
TORRES, Salvador Barros et al. Controlled deterioration in coriander seeds. Rev. bras. sementes [online]. 2012, vol.34, n.2, pp.319-326. ISSN 0101-3122. http://dx.doi.org/10.1590/S0101-31222012000200018.
Vigor tests are essential in seed quality control programs and the controlled deterioration test may be used for this purpose, especially for vegetable seeds. The objective of this study was to evaluate the methodology of the controlled deterioration test and to verify its effectiveness in identifying different vigor levels of coriander (Coriandrum sativum L.) seed lots. Four cultivars ("Português", "Super Verdão", "Tabocas" and "Verdão"), each represented by three seed lots, were tested for germination, first germination, seedling emergence, speed of emergence, seedling height, dry weight of seedlings and controlled deterioration (seeds with moisture contents of 18, 21 and 24% to 45 ºC for 24 and 48 hours). The controlled deterioration test may be used to evaluate the physiological potential of coriander seeds, and the combination of 21% water at 45 ºC for 24 hours is the most recommended treatment.
Keywords : Coriandrum sativum; physiological potential; vigor; germination.