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2,4-dichlorophenoxyacetic acid as an alternative auxin for rooting of vine rootstock cuttings Rev. Bras. Frutic.
Tofanelli,Mauro Brasil Dias; Freitas,Pytágoras Leal; Pereira,Giuliano Elias.
Viticulture is an important agricultural activity in semiarid northeastern Brazil, and the quality and ease of vine propagation are very important in this context. This study evaluated the use of 2,4-dichlorophenoxyacetic acid (2,4-D) as an alternative to indolebutyric acid (IBA) in the rooting of vine rootstock cuttings. The trial was conducted at the Universidade Federal de Sergipe (São Cristóvão-SE) between January and March 2010 with cuttings of the rootstocks of 'IAC-766', 'IAC-572', and 'Paulsen 1103' treated with 2,4-D or IBA applied at concentrations of 0, 1000, 2000, or 3000 rng-L-1 for 5 s and planted in a field on washed sand. At 56 days after planting, the percentages of rooted, sprouted, callused, and dead cuttings were evaluated, and also the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vitis propagation semiarid cuttings auxin 2; 4-D.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452014000300018
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