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    <subfield code="a">Kaviani, Behzad </subfield>
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    <subfield code="a">Almasi, Ava </subfield>
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    <subfield code="a">Sedaghathoor, Shahram </subfield>
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    <subfield code="a">Khoddamzadeh, Amir Ali </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">A protocol for fast in vitro propagation of Impatiens hawkeri cv. Sweeties Blue Star, an important ornamental-cover species</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 16 ref.; 2 tables; 2 illus.; Summaries (En, Pt)</subfield>
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Abstract

Impatiens hawkeri is among the three important bedding plants in the world. There is no efficient protocol for
fast micropropagation of Impatiens hawkeri cv. Sweeties Blue Star. Single nodes were germinated on Murashige
and Skoog (MS) medium supplemented with 1-naphthaleneacetic acid (NAA; 0.00, 0.10 and 0.50 mg l-1),
6-benzyladenine (BA; 0.00, 0.10, 0.50 and 1.00 mg l-1) and kinetin (KIN; 0.00, 0.10, 0.50 and 1.00 mg l-1). The
shoot length was highest in medium containing 0.10 mg l-1 NAA and control. The largest number of shoots
(14.06 and 14.00 per explant) was produced in media supplemented with 1.00 mg l-1 BA, 0.50 mg l-1 NAA and
1.00 mg l-1 BA, 0.10 mg l-1 NAA, respectively. The 0.10 mg l-1 NAA along with 1.00 mg l-1 BA was found to be
superior for production of leaf (57.13). Maximum root length (33.80 mm) and root number (29.13) were obtained
on medium supplemented with 0.10 mg l-1 NAA without BA and KIN. Plantlets were transplanted to pots filled
with perlite and peat moss (in ratio of 1:1) and transferred to the greenhouse for acclimatization. Regenerated
plantlets were morphologically identical with mother plants. Upon ex vitro transfer, 100% of plants survived.

Key words: Balsaminaceae, micropropagation, organogenesis, ornamentals, plant growth regulators.




Resumo

Impatiens hawkeri est&#xE1; entre as tr&#xEA;s principais plantas para forragem do mundo. N&#xE3;o existe um protocolo
eficiente para a micropropaga&#xE7;&#xE3;o r&#xE1;pida de Impatiens hawkeri cv. Sweeties Blue Star. N&#xF3;dulos individuais
germinados em meio Murashige e Skoog (MS) suplementado com &#xE1;cido 1-naftalenoac&#xE9;tico (NAA; 0,00, 0,10
e 0,50 mg l-1), 6-benziladenina (BA; 0,00, 0,10, 0,50 e 1,00 mg l -1) e cinetina (KIN; 0,00, 0,10, 0,50 e 1,00mg
l-1). O comprimento dos brotos foi maior no meio contendo 0,10 mg l-1 de ANA e controle. O maior n&#xFA;mero
de brota&#xE7;&#xF5;es (14,06 e 14,00 por explante) ocorreu em meio suplementado com 1,00 mg l-1 BA, 0,50 mg l-1
NAA e 1,00 mg l-1 BA, 0,10 mg l-1 NAA, respectivamente. O 0,10 mg l-1 de ANA em conjunto com 1,00 mg
l-1 de BA foi considerado superior para a produ&#xE7;&#xE3;o de folhas (57,13). O comprimento m&#xE1;ximo da raiz (33,80
mm) e o n&#xFA;mero de ra&#xED;zes (29,13) foram obtidos em meio suplementado com 0,10 mg l-1 de ANA sem BA e
KIN. As mudas foram transplantadas para vasos com perlita e turfa (na propor&#xE7;&#xE3;o de 1: 1) e transferidas para
casa de vegeta&#xE7;&#xE3;o para aclimata&#xE7;&#xE3;o. As mudas regeneradas eram morfologicamente id&#xEA;nticas &#xE0;s plantas-m&#xE3;e.
Na transfer&#xEA;ncia ex vitro, 100% das plantas sobreviveram.

Palavras-chave: Balsaminaceae, micropropaga&#xE7;&#xE3;o, organog&#xEA;nese, ornamentais, reguladores de crescimento
vegetal.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">MICROPROPAGA&#xC7;&#xC3;O</subfield>
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    <subfield code="a">ORGANOG&#xCA;NESE</subfield>
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    <subfield code="a">PLANTA ORNAMENTAL</subfield>
  </datafield>
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    <subfield code="a">REGULADOR DE CRESCIMENTO</subfield>
  </datafield>
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    <subfield code="0">709</subfield>
    <subfield code="9">357347</subfield>
    <subfield code="d">Rio de Janeiro-RJ Jardim Botanico do Rio de Janeiro 1935</subfield>
    <subfield code="o">2025-5311</subfield>
    <subfield code="t">Rodrigu&#xE9;sia (Brazil)</subfield>
    <subfield code="x">0370-6583; 2175-7860 on-line</subfield>
    <subfield code="g">v. 72 p. 1-7; (2021)</subfield>
    <subfield code="w">BR2025001832</subfield>
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    <subfield code="u">https://www.scielo.br/j/rod/a/F7kXsm8vQ9pqZMGbqWXJRsB/?format=pdf&amp;lang=en</subfield>
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