Resposta germinativa de sementes de caroá [Neoglaziovia variegata (Arruda) Mez] Germinative response of Neoglaziovia variegata (Arruda) Mez seeds
O caroá é uma Bromeliaceae nativa da Caatinga brasileira cujas fibras retiradas das folhas geram trabalho e renda para diversas famílias nordestinas com a fabricação de vários produtos artesanais. A propagação ocorre via sementes, que podem servir como alimento para muitos animais e pássaros. Diante...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Daniela Garcia Silveira [verfasserIn] Claudinéia Regina Pelacani [verfasserIn] Cimile Gabrielle Cardoso Antunes [verfasserIn] Sandra Santa Rosa [verfasserIn] Fernanda Vidigal Duarte Souza [verfasserIn] José Raniere Ferreira de Santana [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch ; Spanisch ; Portugiesisch |
| Erschienen: |
2011 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Ciência e Agrotecnologia - Universidade Federal de Lavras, 2007, 35(2011), 5, Seite 948-955 |
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| Übergeordnetes Werk: |
volume:35 ; year:2011 ; number:5 ; pages:948-955 |
| Links: |
Link aufrufen |
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| DOI / URN: |
10.1590/S1413-70542011000500012 |
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| Katalog-ID: |
DOAJ040060225 |
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| 520 | |a O caroá é uma Bromeliaceae nativa da Caatinga brasileira cujas fibras retiradas das folhas geram trabalho e renda para diversas famílias nordestinas com a fabricação de vários produtos artesanais. A propagação ocorre via sementes, que podem servir como alimento para muitos animais e pássaros. Diante de sua importância econômica regional, a planta do caroá tem sido coletada na caatinga de forma extrativista, já tendo praticamente desaparecido em algumas regiões da Bahia. Objetivou-se, com o desenvolvimento deste trabalho, avaliar o efeito da temperatura e da restrição de água na germinação de sementes de Caroá. A germinabilidade foi avaliada sob as temperaturas de 25, 30, 34 e 37° C, sendo que a temperatura mais favorável à germinação foi utilizada no ensaio seguinte, combinando com diferentes soluções-teste de polietilenoglicol. As maiores taxas de sementes germinadas (< 66%) ocorreram quando as temperaturas do meio eram mais elevadas, sendo que a de 30° C foi a que proporcionou a maior velocidade média de germinação (0,12 dias-1) e índice de velocidade de germinação; por sua vez a germinação decresceu com a diminuição do potencial osmótico do meio. Sob condições de restrição hídrica, as sementes de caroá mostraram capacidade germinativa até o potencial de -0,6 MPa.<br<Caroá is a native Bromeliaceae of the Brazilian savanna. It generates work and income for many Northeastern families when used as source of fiber for producing craft products. The species can be propagated from seeds and it serves as food for a variety of animals. As a result of its economic importance to the region, the caroá plant has been indiscriminately harvested in the savanna and has practically disappeared in some areas of Bahia State, Brazil. The objective of this research was to study the effect of hydric restriction on the seed germination of caroá, as a proposed means of establishing a cultivation system and more rational production methods. Germination was tested at temperatures of 25, 30, 34 and 37° C, with the optimum temperature for germination used in a subsequent test, combining different test solutions of polyethylene glycol. The highest rates of seed germination (< 66%) occurred when the ambient temperature was higher, and 30° C yielded the highest average speed of germination (0.12 day-1) and germination speed index. On the other hand, germination rates decreased as osmotic potential of the environment decreased. Under conditions of hydric restriction, seed germination of caroá showed the potential to reach up to -0.6 MPa. | ||
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10.1590/S1413-70542011000500012 doi (DE-627)DOAJ040060225 (DE-599)DOAJf29c0f96120b4e1aae17c4fc74afe901 DE-627 ger DE-627 rakwb eng spa por S1-972 Daniela Garcia Silveira verfasserin aut Resposta germinativa de sementes de caroá [Neoglaziovia variegata (Arruda) Mez] Germinative response of Neoglaziovia variegata (Arruda) Mez seeds 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier O caroá é uma Bromeliaceae nativa da Caatinga brasileira cujas fibras retiradas das folhas geram trabalho e renda para diversas famílias nordestinas com a fabricação de vários produtos artesanais. A propagação ocorre via sementes, que podem servir como alimento para muitos animais e pássaros. Diante de sua importância econômica regional, a planta do caroá tem sido coletada na caatinga de forma extrativista, já tendo praticamente desaparecido em algumas regiões da Bahia. Objetivou-se, com o desenvolvimento deste trabalho, avaliar o efeito da temperatura e da restrição de água na germinação de sementes de Caroá. A germinabilidade foi avaliada sob as temperaturas de 25, 30, 34 e 37° C, sendo que a temperatura mais favorável à germinação foi utilizada no ensaio seguinte, combinando com diferentes soluções-teste de polietilenoglicol. As maiores taxas de sementes germinadas (< 66%) ocorreram quando as temperaturas do meio eram mais elevadas, sendo que a de 30° C foi a que proporcionou a maior velocidade média de germinação (0,12 dias-1) e índice de velocidade de germinação; por sua vez a germinação decresceu com a diminuição do potencial osmótico do meio. Sob condições de restrição hídrica, as sementes de caroá mostraram capacidade germinativa até o potencial de -0,6 MPa.<br<Caroá is a native Bromeliaceae of the Brazilian savanna. It generates work and income for many Northeastern families when used as source of fiber for producing craft products. The species can be propagated from seeds and it serves as food for a variety of animals. As a result of its economic importance to the region, the caroá plant has been indiscriminately harvested in the savanna and has practically disappeared in some areas of Bahia State, Brazil. The objective of this research was to study the effect of hydric restriction on the seed germination of caroá, as a proposed means of establishing a cultivation system and more rational production methods. Germination was tested at temperatures of 25, 30, 34 and 37° C, with the optimum temperature for germination used in a subsequent test, combining different test solutions of polyethylene glycol. The highest rates of seed germination (< 66%) occurred when the ambient temperature was higher, and 30° C yielded the highest average speed of germination (0.12 day-1) and germination speed index. On the other hand, germination rates decreased as osmotic potential of the environment decreased. Under conditions of hydric restriction, seed germination of caroá showed the potential to reach up to -0.6 MPa. Estresse abiótico germinação vigor Abiotic stress germination force Agriculture (General) Claudinéia Regina Pelacani verfasserin aut Cimile Gabrielle Cardoso Antunes verfasserin aut Sandra Santa Rosa verfasserin aut Fernanda Vidigal Duarte Souza verfasserin aut José Raniere Ferreira de Santana verfasserin aut In Ciência e Agrotecnologia Universidade Federal de Lavras, 2007 35(2011), 5, Seite 948-955 (DE-627)320608247 (DE-600)2021028-0 19811829 nnns volume:35 year:2011 number:5 pages:948-955 https://doi.org/10.1590/S1413-70542011000500012 kostenfrei https://doaj.org/article/f29c0f96120b4e1aae17c4fc74afe901 kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542011000500012 kostenfrei https://doaj.org/toc/1413-7054 Journal toc kostenfrei https://doaj.org/toc/1981-1829 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 35 2011 5 948-955 |
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10.1590/S1413-70542011000500012 doi (DE-627)DOAJ040060225 (DE-599)DOAJf29c0f96120b4e1aae17c4fc74afe901 DE-627 ger DE-627 rakwb eng spa por S1-972 Daniela Garcia Silveira verfasserin aut Resposta germinativa de sementes de caroá [Neoglaziovia variegata (Arruda) Mez] Germinative response of Neoglaziovia variegata (Arruda) Mez seeds 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier O caroá é uma Bromeliaceae nativa da Caatinga brasileira cujas fibras retiradas das folhas geram trabalho e renda para diversas famílias nordestinas com a fabricação de vários produtos artesanais. A propagação ocorre via sementes, que podem servir como alimento para muitos animais e pássaros. Diante de sua importância econômica regional, a planta do caroá tem sido coletada na caatinga de forma extrativista, já tendo praticamente desaparecido em algumas regiões da Bahia. Objetivou-se, com o desenvolvimento deste trabalho, avaliar o efeito da temperatura e da restrição de água na germinação de sementes de Caroá. A germinabilidade foi avaliada sob as temperaturas de 25, 30, 34 e 37° C, sendo que a temperatura mais favorável à germinação foi utilizada no ensaio seguinte, combinando com diferentes soluções-teste de polietilenoglicol. As maiores taxas de sementes germinadas (< 66%) ocorreram quando as temperaturas do meio eram mais elevadas, sendo que a de 30° C foi a que proporcionou a maior velocidade média de germinação (0,12 dias-1) e índice de velocidade de germinação; por sua vez a germinação decresceu com a diminuição do potencial osmótico do meio. Sob condições de restrição hídrica, as sementes de caroá mostraram capacidade germinativa até o potencial de -0,6 MPa.<br<Caroá is a native Bromeliaceae of the Brazilian savanna. It generates work and income for many Northeastern families when used as source of fiber for producing craft products. The species can be propagated from seeds and it serves as food for a variety of animals. As a result of its economic importance to the region, the caroá plant has been indiscriminately harvested in the savanna and has practically disappeared in some areas of Bahia State, Brazil. The objective of this research was to study the effect of hydric restriction on the seed germination of caroá, as a proposed means of establishing a cultivation system and more rational production methods. Germination was tested at temperatures of 25, 30, 34 and 37° C, with the optimum temperature for germination used in a subsequent test, combining different test solutions of polyethylene glycol. The highest rates of seed germination (< 66%) occurred when the ambient temperature was higher, and 30° C yielded the highest average speed of germination (0.12 day-1) and germination speed index. On the other hand, germination rates decreased as osmotic potential of the environment decreased. Under conditions of hydric restriction, seed germination of caroá showed the potential to reach up to -0.6 MPa. Estresse abiótico germinação vigor Abiotic stress germination force Agriculture (General) Claudinéia Regina Pelacani verfasserin aut Cimile Gabrielle Cardoso Antunes verfasserin aut Sandra Santa Rosa verfasserin aut Fernanda Vidigal Duarte Souza verfasserin aut José Raniere Ferreira de Santana verfasserin aut In Ciência e Agrotecnologia Universidade Federal de Lavras, 2007 35(2011), 5, Seite 948-955 (DE-627)320608247 (DE-600)2021028-0 19811829 nnns volume:35 year:2011 number:5 pages:948-955 https://doi.org/10.1590/S1413-70542011000500012 kostenfrei https://doaj.org/article/f29c0f96120b4e1aae17c4fc74afe901 kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542011000500012 kostenfrei https://doaj.org/toc/1413-7054 Journal toc kostenfrei https://doaj.org/toc/1981-1829 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 35 2011 5 948-955 |
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10.1590/S1413-70542011000500012 doi (DE-627)DOAJ040060225 (DE-599)DOAJf29c0f96120b4e1aae17c4fc74afe901 DE-627 ger DE-627 rakwb eng spa por S1-972 Daniela Garcia Silveira verfasserin aut Resposta germinativa de sementes de caroá [Neoglaziovia variegata (Arruda) Mez] Germinative response of Neoglaziovia variegata (Arruda) Mez seeds 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier O caroá é uma Bromeliaceae nativa da Caatinga brasileira cujas fibras retiradas das folhas geram trabalho e renda para diversas famílias nordestinas com a fabricação de vários produtos artesanais. A propagação ocorre via sementes, que podem servir como alimento para muitos animais e pássaros. Diante de sua importância econômica regional, a planta do caroá tem sido coletada na caatinga de forma extrativista, já tendo praticamente desaparecido em algumas regiões da Bahia. Objetivou-se, com o desenvolvimento deste trabalho, avaliar o efeito da temperatura e da restrição de água na germinação de sementes de Caroá. A germinabilidade foi avaliada sob as temperaturas de 25, 30, 34 e 37° C, sendo que a temperatura mais favorável à germinação foi utilizada no ensaio seguinte, combinando com diferentes soluções-teste de polietilenoglicol. As maiores taxas de sementes germinadas (< 66%) ocorreram quando as temperaturas do meio eram mais elevadas, sendo que a de 30° C foi a que proporcionou a maior velocidade média de germinação (0,12 dias-1) e índice de velocidade de germinação; por sua vez a germinação decresceu com a diminuição do potencial osmótico do meio. Sob condições de restrição hídrica, as sementes de caroá mostraram capacidade germinativa até o potencial de -0,6 MPa.<br<Caroá is a native Bromeliaceae of the Brazilian savanna. It generates work and income for many Northeastern families when used as source of fiber for producing craft products. The species can be propagated from seeds and it serves as food for a variety of animals. As a result of its economic importance to the region, the caroá plant has been indiscriminately harvested in the savanna and has practically disappeared in some areas of Bahia State, Brazil. The objective of this research was to study the effect of hydric restriction on the seed germination of caroá, as a proposed means of establishing a cultivation system and more rational production methods. Germination was tested at temperatures of 25, 30, 34 and 37° C, with the optimum temperature for germination used in a subsequent test, combining different test solutions of polyethylene glycol. The highest rates of seed germination (< 66%) occurred when the ambient temperature was higher, and 30° C yielded the highest average speed of germination (0.12 day-1) and germination speed index. On the other hand, germination rates decreased as osmotic potential of the environment decreased. Under conditions of hydric restriction, seed germination of caroá showed the potential to reach up to -0.6 MPa. Estresse abiótico germinação vigor Abiotic stress germination force Agriculture (General) Claudinéia Regina Pelacani verfasserin aut Cimile Gabrielle Cardoso Antunes verfasserin aut Sandra Santa Rosa verfasserin aut Fernanda Vidigal Duarte Souza verfasserin aut José Raniere Ferreira de Santana verfasserin aut In Ciência e Agrotecnologia Universidade Federal de Lavras, 2007 35(2011), 5, Seite 948-955 (DE-627)320608247 (DE-600)2021028-0 19811829 nnns volume:35 year:2011 number:5 pages:948-955 https://doi.org/10.1590/S1413-70542011000500012 kostenfrei https://doaj.org/article/f29c0f96120b4e1aae17c4fc74afe901 kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542011000500012 kostenfrei https://doaj.org/toc/1413-7054 Journal toc kostenfrei https://doaj.org/toc/1981-1829 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 35 2011 5 948-955 |
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resposta germinativa de sementes de caroá [neoglaziovia variegata (arruda) mez] germinative response of neoglaziovia variegata (arruda) mez seeds |
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Resposta germinativa de sementes de caroá [Neoglaziovia variegata (Arruda) Mez] Germinative response of Neoglaziovia variegata (Arruda) Mez seeds |
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O caroá é uma Bromeliaceae nativa da Caatinga brasileira cujas fibras retiradas das folhas geram trabalho e renda para diversas famílias nordestinas com a fabricação de vários produtos artesanais. A propagação ocorre via sementes, que podem servir como alimento para muitos animais e pássaros. Diante de sua importância econômica regional, a planta do caroá tem sido coletada na caatinga de forma extrativista, já tendo praticamente desaparecido em algumas regiões da Bahia. Objetivou-se, com o desenvolvimento deste trabalho, avaliar o efeito da temperatura e da restrição de água na germinação de sementes de Caroá. A germinabilidade foi avaliada sob as temperaturas de 25, 30, 34 e 37° C, sendo que a temperatura mais favorável à germinação foi utilizada no ensaio seguinte, combinando com diferentes soluções-teste de polietilenoglicol. As maiores taxas de sementes germinadas (< 66%) ocorreram quando as temperaturas do meio eram mais elevadas, sendo que a de 30° C foi a que proporcionou a maior velocidade média de germinação (0,12 dias-1) e índice de velocidade de germinação; por sua vez a germinação decresceu com a diminuição do potencial osmótico do meio. Sob condições de restrição hídrica, as sementes de caroá mostraram capacidade germinativa até o potencial de -0,6 MPa.<br<Caroá is a native Bromeliaceae of the Brazilian savanna. It generates work and income for many Northeastern families when used as source of fiber for producing craft products. The species can be propagated from seeds and it serves as food for a variety of animals. As a result of its economic importance to the region, the caroá plant has been indiscriminately harvested in the savanna and has practically disappeared in some areas of Bahia State, Brazil. The objective of this research was to study the effect of hydric restriction on the seed germination of caroá, as a proposed means of establishing a cultivation system and more rational production methods. Germination was tested at temperatures of 25, 30, 34 and 37° C, with the optimum temperature for germination used in a subsequent test, combining different test solutions of polyethylene glycol. The highest rates of seed germination (< 66%) occurred when the ambient temperature was higher, and 30° C yielded the highest average speed of germination (0.12 day-1) and germination speed index. On the other hand, germination rates decreased as osmotic potential of the environment decreased. Under conditions of hydric restriction, seed germination of caroá showed the potential to reach up to -0.6 MPa. |
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O caroá é uma Bromeliaceae nativa da Caatinga brasileira cujas fibras retiradas das folhas geram trabalho e renda para diversas famílias nordestinas com a fabricação de vários produtos artesanais. A propagação ocorre via sementes, que podem servir como alimento para muitos animais e pássaros. Diante de sua importância econômica regional, a planta do caroá tem sido coletada na caatinga de forma extrativista, já tendo praticamente desaparecido em algumas regiões da Bahia. Objetivou-se, com o desenvolvimento deste trabalho, avaliar o efeito da temperatura e da restrição de água na germinação de sementes de Caroá. A germinabilidade foi avaliada sob as temperaturas de 25, 30, 34 e 37° C, sendo que a temperatura mais favorável à germinação foi utilizada no ensaio seguinte, combinando com diferentes soluções-teste de polietilenoglicol. As maiores taxas de sementes germinadas (< 66%) ocorreram quando as temperaturas do meio eram mais elevadas, sendo que a de 30° C foi a que proporcionou a maior velocidade média de germinação (0,12 dias-1) e índice de velocidade de germinação; por sua vez a germinação decresceu com a diminuição do potencial osmótico do meio. Sob condições de restrição hídrica, as sementes de caroá mostraram capacidade germinativa até o potencial de -0,6 MPa.<br<Caroá is a native Bromeliaceae of the Brazilian savanna. It generates work and income for many Northeastern families when used as source of fiber for producing craft products. The species can be propagated from seeds and it serves as food for a variety of animals. As a result of its economic importance to the region, the caroá plant has been indiscriminately harvested in the savanna and has practically disappeared in some areas of Bahia State, Brazil. The objective of this research was to study the effect of hydric restriction on the seed germination of caroá, as a proposed means of establishing a cultivation system and more rational production methods. Germination was tested at temperatures of 25, 30, 34 and 37° C, with the optimum temperature for germination used in a subsequent test, combining different test solutions of polyethylene glycol. The highest rates of seed germination (< 66%) occurred when the ambient temperature was higher, and 30° C yielded the highest average speed of germination (0.12 day-1) and germination speed index. On the other hand, germination rates decreased as osmotic potential of the environment decreased. Under conditions of hydric restriction, seed germination of caroá showed the potential to reach up to -0.6 MPa. |
| abstract_unstemmed |
O caroá é uma Bromeliaceae nativa da Caatinga brasileira cujas fibras retiradas das folhas geram trabalho e renda para diversas famílias nordestinas com a fabricação de vários produtos artesanais. A propagação ocorre via sementes, que podem servir como alimento para muitos animais e pássaros. Diante de sua importância econômica regional, a planta do caroá tem sido coletada na caatinga de forma extrativista, já tendo praticamente desaparecido em algumas regiões da Bahia. Objetivou-se, com o desenvolvimento deste trabalho, avaliar o efeito da temperatura e da restrição de água na germinação de sementes de Caroá. A germinabilidade foi avaliada sob as temperaturas de 25, 30, 34 e 37° C, sendo que a temperatura mais favorável à germinação foi utilizada no ensaio seguinte, combinando com diferentes soluções-teste de polietilenoglicol. As maiores taxas de sementes germinadas (< 66%) ocorreram quando as temperaturas do meio eram mais elevadas, sendo que a de 30° C foi a que proporcionou a maior velocidade média de germinação (0,12 dias-1) e índice de velocidade de germinação; por sua vez a germinação decresceu com a diminuição do potencial osmótico do meio. Sob condições de restrição hídrica, as sementes de caroá mostraram capacidade germinativa até o potencial de -0,6 MPa.<br<Caroá is a native Bromeliaceae of the Brazilian savanna. It generates work and income for many Northeastern families when used as source of fiber for producing craft products. The species can be propagated from seeds and it serves as food for a variety of animals. As a result of its economic importance to the region, the caroá plant has been indiscriminately harvested in the savanna and has practically disappeared in some areas of Bahia State, Brazil. The objective of this research was to study the effect of hydric restriction on the seed germination of caroá, as a proposed means of establishing a cultivation system and more rational production methods. Germination was tested at temperatures of 25, 30, 34 and 37° C, with the optimum temperature for germination used in a subsequent test, combining different test solutions of polyethylene glycol. The highest rates of seed germination (< 66%) occurred when the ambient temperature was higher, and 30° C yielded the highest average speed of germination (0.12 day-1) and germination speed index. On the other hand, germination rates decreased as osmotic potential of the environment decreased. Under conditions of hydric restriction, seed germination of caroá showed the potential to reach up to -0.6 MPa. |
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