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Vegetative propagation of adult Ilex paraguariensis trees through epicormic shoots - doi: 10.4025/actasciagron.v35i1.15958 Agronomy
Wendling, Ivar; Empresa Brasileira de Pesquisa Agropecuária; Brondani, Gilvano Ebling; Universidade Federal de Mato Grosso; Biassio, Adriana de; Universidade Federal do Paraná; Dutra, Leonardo Ferreira; Empresa Brasileira de Pesquisa Agropecuária.
The difficulty and length of time required for seed germination of mate (Ilex paraguariensis), as well as the pressing need for clonal multiplication of improved genetic material, has resulted in several studies related to vegetative propagation in an effort to obtain rooted cuttings more quickly and with better genetic quality. Currently, the biggest challenge is propagating and rooting adult plants selected in the field without requiring clear cutting to generate conditions for the basal induction of juvenile sprouts. Therefore, the objective of this study was to develop a method to rescue adult mate plants through the generation of epicormic sprouts. To accomplish this, tree branches of mate that were at least 19 years of age were collected and packed...
Palavras-chave: Mate; Shoot induction; Rhizogenesis; Cutting technique; Cloning; Vegetative propagation 5.01.03.04-0 mate; Shoot induction; Rhizogenesis; Cutting technique; Cloning; Vegetative propagation.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/15958
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Plant growth regulators optimization for in vitro cultivation of the orchid Guarianthe skinneri (Bateman) Dressier & W.E.Higgins Gayana Botánica
Coello,Christian Yanelly; Miceli,Clara Luz; Orantes,Carolina; DenDooven,Luc; Gutiérrez,Federico Antonio.
An in vitro culture procedure was developed to induce shoots and roots of Guarianthe skinneri (Orchidaceae) plantlets regenerated from seed-derived protocorms on a Murashige and Skoog (MS) médium supplemented with 6-benzyladenine (BA), indole-3-acetic acid (IAA), a-naftalenacetic acid (NAA) and gibberellic acid (GA3). A máximum of 10.6 shoots was obtained with 16.1 μM NAA, 17.1 μM IAA, 6.3 x 10-9 μM GA3 and 0.0023 μM BA. A máximum of 4.0 roots on each shoot with 5.4 μM NAA, 17.1 μM IAA, 0.001 μM AG3 and 4.6 x 10-9 μM BA. Máximum shoot and root length was obtained with a minimum of GA3, but a máximum IAA. GA3, was the main factor controlling shoot and root induction and elongation.
Tipo: Journal article Palavras-chave: 6-benzyladenine; Indole-3-acetic acid; A-naftalenacetic acid; Gibberellic acid; Shoot induction; Rooting.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-66432010000100003
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