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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
11/06/2015 |
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Data da última atualização: |
01/02/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOARES, I. D.; NOGUEIRA, A. C.; KALIL FILHO, A. N.; MIRANDA, R. O. V.; EBLING, A. A. |
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Afiliação: |
Izabele Domingues Soares, UFPR; Antonio Carlos Nogueira, UFPR; ANTONIO NASCIM KALIL FILHO, CNPF; Rodrigo O. V. Miranda, UFPR; Ângelo Augusto Ebling, UFPR. |
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Título: |
Germination behavior of Psidium rufum Dc. seeds at different temperatures, substrates and conditions of light. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Australian Journal of Basic and Applied Sciences, v. 9, n. 7, p. 564-570, Apr. 2015. |
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Idioma: |
Inglês |
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Conteúdo: |
The performance of the germination of each species varies at different temperatures, substrates and sometimes light conditions. Therefore, in the conduct of germination tests in laboratories, the knowledge the influence of these components on the germination of each species is of fundamental importance. Psidium rufum DC. is a species native to Brazil, belonging to the family Myrtaceae, characteristic of Biomes Cerrado and Atlantic Forest. It is a initial secondary species, including used for the restoration of degraded areas, with high survival rates. Knowledge of P. rufum are incipient and literature are rare information about the species and the performance of your germination process. Objective: Therefore, this study aimed to verify the germination behavior of P. rufum seeds at different temperatures, substrates and conditions of presence and absence of light. Results: Analysis of variance revealed a significant interaction (P <0.05) between the substrate and temperature variables, indicating that the seed germination of P. rufum laboratory depends on the temperature and the type of substrate, except for germination percentage in which the effects of the factors studied proved to be independent. When placed in the substrate blotter paper 25 °C, the seeds had higher germination percentage, higher speed of germination, smaller average time and higher average speed of germination. The maximum synchronization of germination (U = 0) in P. rufum was observed of temperature 30 °C, the roll paper substrate, however, was the treatment had the lowest percentage of germination. Considering the distributions of the frequency in the germination of P. rufum, such isothermal patterns used (20, 25 and 30 °C) differ in the number, location and frequency of fashions, where all distributions showed character multimodal. The germination of P. rufum was lower in the dark, revealing preferred positive photoblastic. Conclusion: The best results for the germination test were obtained with blotter paper substrate at 25 °C. The light influence the germination of P. rufum, with the species considered as the preferred positive photoblastic. MenosThe performance of the germination of each species varies at different temperatures, substrates and sometimes light conditions. Therefore, in the conduct of germination tests in laboratories, the knowledge the influence of these components on the germination of each species is of fundamental importance. Psidium rufum DC. is a species native to Brazil, belonging to the family Myrtaceae, characteristic of Biomes Cerrado and Atlantic Forest. It is a initial secondary species, including used for the restoration of degraded areas, with high survival rates. Knowledge of P. rufum are incipient and literature are rare information about the species and the performance of your germination process. Objective: Therefore, this study aimed to verify the germination behavior of P. rufum seeds at different temperatures, substrates and conditions of presence and absence of light. Results: Analysis of variance revealed a significant interaction (P <0.05) between the substrate and temperature variables, indicating that the seed germination of P. rufum laboratory depends on the temperature and the type of substrate, except for germination percentage in which the effects of the factors studied proved to be independent. When placed in the substrate blotter paper 25 °C, the seeds had higher germination percentage, higher speed of germination, smaller average time and higher average speed of germination. The maximum synchronization of germination (U = 0) in P. rufum was observed of temperature 30 °... Mostrar Tudo |
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Palavras-Chave: |
Conditions of light; Forest seeds; Luz; Psidium rufum; Substrate; Substrato. |
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Thesagro: |
Germinação; Semente; Temperatura. |
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Thesaurus Nal: |
germination; temperature. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 03035naa a2200301 a 4500
001 2017473
005 2016-02-01
008 2015 bl uuuu u00u1 u #d
100 1 $aSOARES, I. D.
245 $aGermination behavior of Psidium rufum Dc. seeds at different temperatures, substrates and conditions of light.$h[electronic resource]
260 $c2015
520 $aThe performance of the germination of each species varies at different temperatures, substrates and sometimes light conditions. Therefore, in the conduct of germination tests in laboratories, the knowledge the influence of these components on the germination of each species is of fundamental importance. Psidium rufum DC. is a species native to Brazil, belonging to the family Myrtaceae, characteristic of Biomes Cerrado and Atlantic Forest. It is a initial secondary species, including used for the restoration of degraded areas, with high survival rates. Knowledge of P. rufum are incipient and literature are rare information about the species and the performance of your germination process. Objective: Therefore, this study aimed to verify the germination behavior of P. rufum seeds at different temperatures, substrates and conditions of presence and absence of light. Results: Analysis of variance revealed a significant interaction (P <0.05) between the substrate and temperature variables, indicating that the seed germination of P. rufum laboratory depends on the temperature and the type of substrate, except for germination percentage in which the effects of the factors studied proved to be independent. When placed in the substrate blotter paper 25 °C, the seeds had higher germination percentage, higher speed of germination, smaller average time and higher average speed of germination. The maximum synchronization of germination (U = 0) in P. rufum was observed of temperature 30 °C, the roll paper substrate, however, was the treatment had the lowest percentage of germination. Considering the distributions of the frequency in the germination of P. rufum, such isothermal patterns used (20, 25 and 30 °C) differ in the number, location and frequency of fashions, where all distributions showed character multimodal. The germination of P. rufum was lower in the dark, revealing preferred positive photoblastic. Conclusion: The best results for the germination test were obtained with blotter paper substrate at 25 °C. The light influence the germination of P. rufum, with the species considered as the preferred positive photoblastic.
650 $agermination
650 $atemperature
650 $aGerminação
650 $aSemente
650 $aTemperatura
653 $aConditions of light
653 $aForest seeds
653 $aLuz
653 $aPsidium rufum
653 $aSubstrate
653 $aSubstrato
700 1 $aNOGUEIRA, A. C.
700 1 $aKALIL FILHO, A. N.
700 1 $aMIRANDA, R. O. V.
700 1 $aEBLING, A. A.
773 $tAustralian Journal of Basic and Applied Sciences$gv. 9, n. 7, p. 564-570, Apr. 2015.
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| 3. |  | CERQUEIRA, C. L.; MÔRA, R.; TONINI, H.; ARCE, J. E.; CARVALHO, S. de P. C. e; CIARNOSCHI, L. D. Funções de afilamento para eucalipto em sistema de integração Lavoura-Pecuária-Floresta. Advances in Forestry Science, v. 5, n. 4, p. 479-485, 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 3 |
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| 4. | | CERQUEIRA, C. L.; MÔRA, R.; TONINI, H.; ARCE, J. E.; CARVALHO, S. de P. C.; VENDRUSCOLO, D. G. S. Modeling of eucalyptus tree stem taper in mixed production systems. Scientia Forestalis, v. 49, n. 130, e3186, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
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