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| Format: | Artículo científico |
| Language: | en |
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Academia Brasileira de Ciências
2012
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| Online Access: | https://www.redalyc.org/articulo.oa?id=32721622020 |
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| author | Silvana P.Q. Scalon |
| author_facet | Silvana P.Q. Scalon |
| contents | Germination of Croton urucurana L. seeds exposed to different storage temperatures and pre-germinative treatments Silvana P.Q. Scalon Rosilda M. Mussury Andréa A. Lima Multidisciplinaria (Ciencias Naturales y Exactas) refrigeration "sangra d'água" Gibberellic acid The present work evaluated the germinability and vigor of Croton urucurana seeds. 1) Seeds were sorted by color (caramel, gray and black) and were subjected to seven different pre-germination treatments followed by incubation at 20ºC, 25°C or 20/30°C. 2) Seeds were stored in cold chambers or at room temperature for up to 300 days and were subsequently incubated at 20/30ºC in a germination chamber or under greenhouse conditions. Only gray seeds showed significant germination rates. The highest first count percentages of total germination and the highest germination speed indices were observed in control seeds and in those which were treated with water or 200 mg. L-1 gibberellic acid for 12 hours. Seeds stored under refrigeration showed the highest values for all of the characteristics examined, as well as less electrical conductivity of the imbibing solution. Seedlings were more vigorous when seeds were stored for 300 days in a cold chamber. The seedlings production can be increased by incubating the seeds at alternating temperatures (20/30°C). The seeds do not need pre-germination treatments. 2012 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32721622020 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.1 Vol.84 |
| format | Artículo científico |
| id | redalyc_32721622020 |
| language | en |
| publishDate | 2012 |
| publisher | Academia Brasileira de Ciências |
| spellingShingle | Germination of Croton urucurana L. seeds exposed to different storage temperatures and pre-germinative treatments Silvana P.Q. Scalon Multidisciplinaria (Ciencias Naturales y Exactas) refrigeration "sangra d'água" Gibberellic acid Germination of Croton urucurana L. seeds exposed to different storage temperatures and pre-germinative treatments Silvana P.Q. Scalon Rosilda M. Mussury Andréa A. Lima Multidisciplinaria (Ciencias Naturales y Exactas) refrigeration "sangra d'água" Gibberellic acid The present work evaluated the germinability and vigor of Croton urucurana seeds. 1) Seeds were sorted by color (caramel, gray and black) and were subjected to seven different pre-germination treatments followed by incubation at 20ºC, 25°C or 20/30°C. 2) Seeds were stored in cold chambers or at room temperature for up to 300 days and were subsequently incubated at 20/30ºC in a germination chamber or under greenhouse conditions. Only gray seeds showed significant germination rates. The highest first count percentages of total germination and the highest germination speed indices were observed in control seeds and in those which were treated with water or 200 mg. L-1 gibberellic acid for 12 hours. Seeds stored under refrigeration showed the highest values for all of the characteristics examined, as well as less electrical conductivity of the imbibing solution. Seedlings were more vigorous when seeds were stored for 300 days in a cold chamber. The seedlings production can be increased by incubating the seeds at alternating temperatures (20/30°C). The seeds do not need pre-germination treatments. 2012 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32721622020 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.1 Vol.84 |
| title | Germination of Croton urucurana L. seeds exposed to different storage temperatures and pre-germinative treatments |
| topic | Multidisciplinaria (Ciencias Naturales y Exactas) refrigeration "sangra d'água" Gibberellic acid |
| url | https://www.redalyc.org/articulo.oa?id=32721622020 |