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Previous issue date: 2015-06-01 / Sem bolsa / Considerando a importância do tratamento e da manutenção da qualidade da semente durante o armazenamento, objetivou-se através deste trabalho avaliar o desempenho fisiológico de sementes de algodão tratadas quimicamente e armazenadas em condição ambiente. O delineamento experimental foi inteiramente casualizado, com 6 repetições, em esquema fatorial 9 x 6 (tratamentos x época de avaliação). Foram realizados os seguintes tratamentos de sementes: T1 – Testemunha (sem tratamento); T2 – Fungicida Carbendazin 150g/l e Tiran 350g/l (600 ml/100 kg de sementes); T3 – Fungicida Triadmenol 150g/l (200 ml/100 kg de sementes); T4 – Fungicida Pencicurom 250g/l (300 ml/100 kg de sementes); T5 – Fungicida Azoxistrobina 75g/l, Metalaxil-M 37,5g/l e Fludioxonil 12,5 g/l (300 ml/100kg de
sementes); T6 – Inseticida Imidacloprido 150 g/l e Tiodicarbe 450g/l (2400 ml/100kg de sementes); T7 – Inseticida Tiametoxam 350g/L (600ml/100kg de sementes); T8 – Composto pelos tratamentos 2, 3, 4 e 6 mencionados acima; T9 – Composto pelos tratamentos 5 e 7. A avaliação da qualidade fisiológica das sementes de algodão foi realizada aos 0, 30, 60, 90, 120 e 150 dias de armazenamento através dos testes de germinação e vigor (baixa temperatura e envelhecimento acelerado). Os resultados permitem constatar que os produtos (triadmenol) e o (carbendazin e tiran + triadmenol + Pencicurom + imidacloprido e tiodicarbe) reduzem os percentuais de germinação e vigor da sementes de algodão. A qualidade fisiológica é negativamente afetada conforme se aumenta o período de armazenamento. / Considering the importance of treatment and maintenance of seed quality during storage, the aim through this work was to evaluate the physiological performance of cotton seeds chemically treated and stored at room temperature. The experimental design was completely randomized with six replications in factorial scheme 9 x 6 (treatments x evaluation time). The following seed treatments were used: T1 - control
(no treatment); T2 - Fungicide Carbendazin 150g / l Tiran 350g / l (600 ml / 100 kg seed); T3 - Fungicide Triadmenol 150g / l (200 ml / 100 kg seed); T4 - Fungicide Pencicurom 250g / l (300 ml / 100 kg seed); T5 - Fungicide Azoxystrobin 75g / l, Metalaxyl-M 37,5g / l Fludioxonil 12.5 g / l (300 ml / 100kg seed); T6 - insecticide Imidacloprid 150 g / l Thiodicarb 450g / l (2400 ml / 100kg seed); T7 - insecticide thiamethoxam 350 g / L (600ml / 100kg of seeds); T8 - for treatments compound 2, 3, 4 and 6 mentioned above; T9 - Composed by treatments 5 and 7. The evaluation of the physiological quality of cotton seeds was performed at 0, 30, 60, 90, 120 and 150 days of storage through the germination and vigor tests (low temperature and accelerated aging). The results help determine that the product (triadmenol) and (carbendazin and tyranny + triadmenol + Pencicurom + imidacloprid and thiodicarb) reduce the percentage of germination and vigor of cotton seeds. The physiological quality is adversely affected as increases the storage period.
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.ufpel.edu.br:prefix/3292 |
| Date | 01 June 2015 |
| Creators | Flach, Leonir |
| Contributors | http://lattes.cnpq.br/7887740210452571, Zimmer, Paulo Dejalma |
| Publisher | Universidade Federal de Pelotas, Programa de Pós-Graduação em Ciência e Tecnologia de Sementes, UFPel, Brasil, Faculdade de Agronomia Eliseu Maciel |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Source | reponame:Repositório Institucional da UFPEL, instname:Universidade Federal de Pelotas, instacron:UFPEL |
| Rights | info:eu-repo/semantics/openAccess |
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