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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria Tropical. |
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Data corrente: |
09/05/1994 |
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Data da última atualização: |
09/05/1994 |
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Autoria: |
MURASHIGE, T. |
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Título: |
Analysis of the inhibition of organ formation in tobaco tissue culture by gibberellin. |
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Ano de publicação: |
1964 |
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Fonte/Imprenta: |
Physiologi Plantarium, v.17, p.636-643, 1964. |
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Idioma: |
Inglês |
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Conteúdo: |
Experiments with tobacco (Nicotiana tabacum L., variety Wisconsin 38) tissue cultures showed that gibberellin, in concebntrrations which stimulated growth of callus, inhibited root and shoot formation. The effect on shoot formation was common to gibberellins A1, A3, A4, A5, A7, A8, and A9. Gibberellin did not prevent cell division completely, but retarded the differentiation of nodule-like structures, which evidently were forerunners of shoot primordia. Vascularization also remained uninhibited. The inhibitory effect upon shoot formation by 3 X 10-6 M GA3 lasted through two subcultures in gibberellin-free medium: recovery was complete in the third subculture. |
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Palavras-Chave: |
Gibberellin; Inibidor; Nicotiana tabacum L; Tabaco. |
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Thesagro: |
Cultura de Tecido. |
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Categoria do assunto: |
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Marc: |
LEADER 01168naa a2200181 a 4500
001 1418049
005 1994-05-09
008 1964 bl --- 0-- u #d
100 1 $aMURASHIGE, T.
245 $aAnalysis of the inhibition of organ formation in tobaco tissue culture by gibberellin.
260 $c1964
520 $aExperiments with tobacco (Nicotiana tabacum L., variety Wisconsin 38) tissue cultures showed that gibberellin, in concebntrrations which stimulated growth of callus, inhibited root and shoot formation. The effect on shoot formation was common to gibberellins A1, A3, A4, A5, A7, A8, and A9. Gibberellin did not prevent cell division completely, but retarded the differentiation of nodule-like structures, which evidently were forerunners of shoot primordia. Vascularization also remained uninhibited. The inhibitory effect upon shoot formation by 3 X 10-6 M GA3 lasted through two subcultures in gibberellin-free medium: recovery was complete in the third subculture.
650 $aCultura de Tecido
653 $aGibberellin
653 $aInibidor
653 $aNicotiana tabacum L
653 $aTabaco
773 $tPhysiologi Plantarium$gv.17, p.636-643, 1964.
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Embrapa Agroindústria Tropical (CNPAT) |
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