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- Title
GERMINAÇÃO E VIGOR DE SEMENTES DE MAMÃO (Carica papaya L.) cv. Golden SECADAS EM ALTAS TEMPERATURAS.
- Authors
DE OLIVEIRA CARLESSO, VINICIUS; BERBERT, PEDRO AMORIM; DA SILVA, ROBERTO FERREIRA; THIÉBAUT, JOSÉ TARCISIO LIMA; DE OLIVEIRA, MARCIA TEREZINHA RAMOS
- Abstract
This study investigates the immediate and latent effects of high drying-air temperatures on the physiological quality of Golden papaya seeds. Thin-layer convective drying tests were conducted employing two levels of drying-air temperature, 50 and 58°C, and a single level of dry-airflow rate, 1.00kg s-1 m-2. Upon removal from the dryer, seeds were hermetically stored at 15°C for 90 and 180 days. High drying-air temperatures had an immediate deleterious effect on seed vigour. Analysis of the latent effects revealed that best vigour results were obtained for seeds dried at 58°C and stored for 180 days at 15°C. Germination percentage immediately after drying was reduced for seeds dried at 50°C only. Germination of the seeds submitted to other treatments was not affected by drying-air temperature or storage period, when compared to the values obtained for fresh seeds.
- Subjects
CARICA; GERMINATION; SEED storage; SEED physiology; SEED quality; PAPAYA; PLANT physiology; SEED viability; POSTHARVEST technology of seeds
- Publication
Revista Brasileira de Sementes, 2009, Vol 31, Issue 2, p228
- ISSN
0101-3122
- Publication type
Article
- DOI
10.1590/S0101-31222009000200027