Presença de folhas no enraizamento de estacas de amoreira-preta

Vignolo, Gerson Kleinick; Picolotto, Luciano; Gonçalves, Marco Antônio; Pereira, Ivan dos Santos; Antunes, Luís Eduardo Corrêa

doi:10.1590/s0103-84782014000300013

Cited by 33 publications

(40 citation statements)

References 16 publications

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“…callus formation and cutting survival; however, the former varies according to the presence or not of leaves at cutting (Vignolo et al 2014). Additionally, the environment in which the cuttings are stored directly influences the rooting and mortality percentages, since temperature and humidity may be positive or negative factors (Denaxa et al 2012, Zang et al 2013.…”

Section: Resultsmentioning

confidence: 99%

Effect of ethephon and indolebutyric acid on yellow mombin propagation via cutting1

Véras

Mendonça

Ramires

et al. 2017

Pesqui. Agropecu. Trop.

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Section: Resultsmentioning

confidence: 99%

Effect of ethephon and indolebutyric acid on yellow mombin propagation via cutting1

Véras

Mendonça

Ramires

et al. 2017

Pesqui. Agropecu. Trop.

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“…The leaf retention in the herbaceous cutting process is important for the rhizogenesis, since it assists in the production and transport of auxin, enables the supply of carbohydrates through photosynthesis, favoring division and elongation (Vignolo et al, 2014). However, leaves do not influence directly the rhizogenesis, but increases the probability of this event happens.…”

Section: Resultsmentioning

confidence: 99%

Rooting inducers and organic substrates in the propagation of Paluma guava by cutting

Costa¹,

Mendonça²,

Fernandes³

et al. 2017

Afr. J. Agric. Res.

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To produce seedlings with quality is one of the factors that mostly contribute to increase the production chain of a fruit crop. The use of organic substrates in the production of seedlings becomes a way to reduce costs by using raw material available regionally. Then, the aim of this study was to evaluate the influence of rooting inducers and the contribution of organic substrates to improve the rooting of herbaceous cuttings of 'Paluma' guava. The experiment was completely randomized arranged in a 5×2 factorial design with 4 replications and 10 cuttings per plot. The factors comprised five substrates (S1-100% OC; S2-25% CRH + 75% OC; S3-50% CRH + 50% OC; S4-75% CRH + 25% OC; S5-100% CRH), where CRH: carbonized rice husk and OC: organic compost, and 2 rooting inducers (Radimaxi 20 ® and Indolbutyric Acid -IBA), with the concentration of 2000 mg L -1 . With regard to the analyzed variables, rooting, mortality, length of roots, and dry weight of shoots and roots did not fit with any regression model. However, the live rootless cuttings, callus, sprouting, leaf retention, and number of roots showed interaction between the inducers and the used substrates. The maximum rooting percentage obtained was 20%, independently of the type of inducer or used substrate; the use of Radimaxi 20 ® provides greater percentage of cuttings with callus and live rootless cuttings; the carbonized rice husk in composition S2 (25% CRH + 75% OC) is indicated to compose the rooting substrate of 'Paluma' guava cuttings; despite the satisfactory results obtained in this work, more studies are needed to clarify the rhizogenic process of guava in diversified conditions.

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“…Foi comprovado em outras espécies, como Olea europaea (Oliveira et al, 2003), Ficus carica (Pio et al, 2004), Ocimum gratissimum e Ocimum selloi (Purcino et al, 2012) e Rubus spp. (Vignolo et al, 2014) que a presença de folhas e gemas tem um papel-chave para a formação do novo sistema radicular.…”

Section: Resultsunclassified

Efeito do tipo de estaca na propagação de Turnera subulata

Coelho

Azevedo

2016

Hortic. Bras.

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RESUMO Turnera subulata é uma espécie herbácea e ruderal, conhecida no Brasil como Chanana, Damiana ou Flor-do-Guarujá e tem amplo uso como ornamental e na medicina popular o que torna a espécie importante para o cultivo. O objetivo do presente trabalho foi avaliar o efeito da posição da estaca na planta e presença ou ausência de folhas na propagação de T. subulata. No primeiro experimento foram avaliados os tratamentos a) estaca mediana com uma gema e sem folhas, b) com uma gema e duas folhas, c) com duas gemas e sem folhas e d) com duas gemas e duas folhas. No segundo experimento foram avaliadas estacas da posição apical, mediana e basal combinadas com presença e ausência de folhas. Foram avaliados o comprimento e número de raízes, número de folhas, massa seca de raízes, porcentagem de enraizamento e de sobrevivência. As estacas com duas gemas e duas folhas apresentaram maior comprimento de raiz (10,5 cm), número de raízes (18,5), número de folhas (6,6), massa seca da raiz (0,48 mg) e porcentagem de enraizamento (90%) e de sobrevivência (100%). As estacas basais com folhas apresentaram maior comprimento da raiz (10,5 cm), número de raízes (18,5) e de folhas (6,6), maior porcentagem de enraizamento (96,8%) e de sobrevivência (100%). Estacas com uma gema e estacas apicais apresentaram menor porcentagem de sobrevivência (em torno de 70%). Para a propagação de T. subulata recomenda-se o uso de estacas basais com duas folhas.

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Presença de folhas no enraizamento de estacas de amoreira-preta

Cited by 33 publications

References 16 publications

Effect of ethephon and indolebutyric acid on yellow mombin propagation via cutting1

Effect of ethephon and indolebutyric acid on yellow mombin propagation via cutting1

Rooting inducers and organic substrates in the propagation of Paluma guava by cutting

Efeito do tipo de estaca na propagação de Turnera subulata

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