Enraizamento de estacas lenhosas de pessegueiro e clones de umezeiros submetidos à aplicação de AIB

Chagas, Edvan Alves; Pio, Rafael; Neto, José Emílio Bettiol; Sobierajski, Graciela da Rocha; Orto, Fernando Antonio Campo Dall'; Signorini, Guilherme

doi:10.1590/s1413-70542008000300043

Cited by 20 publications

(22 citation statements)

References 4 publications

(1 reference statement)

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“…Similarly to results presented herein, CHAGAS et al (2008) observed that 2.000mg dm -3 of IBA promoted the highest rooting and calli percentages and the greatest average number of roots on peach and Japanese apricot cuttings. In BORTOLINI et al (2008), IBA was efficient for rooting induction of Tibouchina sellowiana cuttings, independently if used liquid or in powder, being concentrations among 1.500 and 3.000mg dm -3 the best ones; and GARCÍA et al (2005) obtained rooting percentages higher than 80% on cuttings of Gmelina arborea, a species with great domestication potential; and toxicity with higher IBA doses was also observed on cutting propagation of Acca sellowiana, a South American native species, by FRANZON et al (2004).…”

Section: Espécies Desupporting

confidence: 87%

Adventitious rooting of auxin-treated Lavandula dentata cuttings

et al. 2010

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Section: Espécies Desupporting

confidence: 87%

Adventitious rooting of auxin-treated Lavandula dentata cuttings

et al. 2010

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“…IBA promoted higher rooting than 2,4-D for all rootstocks (Table 1). Probably, these results can be explained by the fact that IBA is considered less toxic at high concentrations and has photostability and microbiological stability (OLIVEIRA et al, 2010;OHLAND et al, 2009;CHAGAS et al, 2008). Moreover, the herbicidal effect of 2,4-D, even when applied only to the base of the cuttings, could harm the vital functions of the cuttings, because auxins can induce prejudicial metabolic and biochemical changes, such as in nucleic acids, the plasticity of the cell wall, and the action of the RNA-polymerase enzyme, and, consequently, in the synthesis of nucleic acids and proteins, and can also induce high cell proliferation in tissues, causing stem epinasty and phloem interruption (OLIVEIRA JÚNIOR et al, 2011).…”

Section: Resultsmentioning

confidence: 99%

2,4-dichlorophenoxyacetic acid as an alternative auxin for rooting of vine rootstock cuttings

2014

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-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 mg•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 average number and length of the rooted cuttings. The results showed that 2,4-D was not superior to IBA in the characteristics wanted for the rooting process of the vine rootstock cuttings. The vine rootstocks showed potential for propagation by cutting without auxin application. It was observed that the high concentrations were the worst for the rooting of the cuttings.

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“…Outros trabalhos na literatura já relatam a utilização da areia como substrato para o enraizamento de estacas de figueira (Ohland et al, 2009), umezeiro (Chagas et al, 2008) e marmeleiro (Pio et al, 2007).…”

Section: Resultsunclassified

Enraizamento de estacas em cultivares de oliveiras promissores para a Serra da Mantiqueira

et al. 2012

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Cutting rooting of promising olive cultivars for the Mantiqueira RangeCurrently, there is lack of information about cutting rooting of olive cultivars for the highlands of Mantiqueira Range, in Minas Gerais. The objective of this study was to evaluate the rooting of different cultivars using perlite and sand as substrates. Cuttings of cultivars Maria da Fé, Mission, Penafiel, Grappolo 575, Galega, Ascolano 315 and Grappolo 54 were collected in January and prepared with approximately 12 cm in length, 4 mm in diameter and 4 internodes, keeping four leaves in the first two nodes. The cuttings were treated with 3 mg L -1 IBA for five seconds and, then, put to root in plastic trays, containing perlite or sand and kept under intermittent nebulization system in a greenhouse. Both substrates were fertilized with Nippoterra ® , (diluted to 25 g L -1 ), in the rate of 62 mL of solution per liter of substrate. The percentage of cuttings forming callus, rooting and the average number of roots were determined after 61 days. Cuttings of the cultivars Ascolano 315 and Maria da Fé showed the best results. The substrate sand increased the rhizogenic capacity of olive cuttings.

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Enraizamento de estacas lenhosas de pessegueiro e clones de umezeiros submetidos à aplicação de AIB

Cited by 20 publications

References 4 publications

Adventitious rooting of auxin-treated Lavandula dentata cuttings

Adventitious rooting of auxin-treated Lavandula dentata cuttings

2,4-dichlorophenoxyacetic acid as an alternative auxin for rooting of vine rootstock cuttings

Enraizamento de estacas em cultivares de oliveiras promissores para a Serra da Mantiqueira

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