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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
23/05/2000 |
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Data da última atualização: |
23/05/2000 |
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Autoria: |
MAFLA, G.; ROA, J. C.; GUEVARA, C. L. |
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Afiliação: |
CIAT, Cali, Colombia. |
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Título: |
Advances on the in vitro growth control of cassava, using silver nitrate |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Brasilia: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000 |
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Páginas: |
p.439-446 |
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ISBN: |
85-87697-05-6 |
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Idioma: |
Inglês |
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Notas: |
In: INTERNATIONAL SCIENTIFIC MEETING ON CASSAVA BIOTECHNOLOGY, 1998. Salvador-Bahia. Proceedings... Brasilia-DF: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000. 625p. Editado por Luiz J. C. B. Carvalho, Ann Marie Thro, Alberto Duarte Vilarinhos. |
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Conteúdo: |
Forty-four varieties of the world cassava collection (Manihot esculenta Crantz) held in vitro at CIAT since 1979 with subculture period between 7.5 to 18.4 months, were examined for their responses to the presence of silver nitrate, an ethylene inhibitor. In order to improve the traditional method of in vitro conservation of clones by reducing growth rate and increasing period of conservation, the classical formulation of medium was supplemented with various concentrations of silver nitrate (23.54uM, 47.06uM, 58.85uM, 70.62uM, 82.40uM). Eighteen months after initiating this study, all concentrations tested resulted in a major reduction of growth as related to the control. Best results were observed with concentrations between 58.85uM and 82.40uM, having all plants shorter internodes, a lower rete of defoliation, and a higher percentage of survival. |
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Palavras-Chave: |
Cultura de tecidos; Germoplasm; Variedades. |
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Thesagro: |
Germoplasma; Mandioca. |
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Thesaurus Nal: |
clones; tissue culture; varieties. |
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Categoria do assunto: |
-- |
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Marc: |
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001 1645872
005 2000-05-23
008 2000 bl uuuu u00u1 u #d
020 $a85-87697-05-6
100 1 $aMAFLA, G.
245 $aAdvances on the in vitro growth control of cassava, using silver nitrate
260 $c2000
300 $ap.439-446
500 $aIn: INTERNATIONAL SCIENTIFIC MEETING ON CASSAVA BIOTECHNOLOGY, 1998. Salvador-Bahia. Proceedings... Brasilia-DF: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000. 625p. Editado por Luiz J. C. B. Carvalho, Ann Marie Thro, Alberto Duarte Vilarinhos.
520 $aForty-four varieties of the world cassava collection (Manihot esculenta Crantz) held in vitro at CIAT since 1979 with subculture period between 7.5 to 18.4 months, were examined for their responses to the presence of silver nitrate, an ethylene inhibitor. In order to improve the traditional method of in vitro conservation of clones by reducing growth rate and increasing period of conservation, the classical formulation of medium was supplemented with various concentrations of silver nitrate (23.54uM, 47.06uM, 58.85uM, 70.62uM, 82.40uM). Eighteen months after initiating this study, all concentrations tested resulted in a major reduction of growth as related to the control. Best results were observed with concentrations between 58.85uM and 82.40uM, having all plants shorter internodes, a lower rete of defoliation, and a higher percentage of survival.
650 $aclones
650 $atissue culture
650 $avarieties
650 $aGermoplasma
650 $aMandioca
653 $aCultura de tecidos
653 $aGermoplasm
653 $aVariedades
700 1 $aROA, J. C.
700 1 $aGUEVARA, C. L.
773 $tBrasilia: Embrapa Recursos Geneticos e Biotecnologia/CBN, 2000
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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