Maximum efficiency concentration of indole butyric acid in promoting the rooting of Japanese Flowering Cherry

Fragoso, Rosimeri de Oliveira; Stuepp, Carlos André; Rickli, Helena Cristina; Zuffellato-Ribas, Kátia Christina; Koehler, Henrique Soares

doi:10.1590/0103-8478cr20150894

Cited by 11 publications

(9 citation statements)

References 18 publications

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“…Considering this variable, linear model was, among those tested, the one that presented statistical significance (p ≤ 0.05) ( Figure 2F). However, due to the low coefficient of determination value (R² = 0.46), the model equation does not present reliability to explain the plant response to the extract, similarly to the results reported by Fragoso et al (2017) on cherry tree stem cuttings treated with different IBA concentrations. It is possible to affirm for this variable, however, that P. actinia cuttings present high resistance to mortality, that the rooting environment allowed adequate conditions for cuttings survival and, ultimately, that the seaweed extract did not jeopardized plant material survival.…”

Section: Resultsmentioning

confidence: 52%

Brown seaweed extract enhances rooting and roots growth on Passiflora actinia Hook stem cuttings

Gomes

Vieira

Tomasi

et al. 2018

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Passiflora actinia Hook (common name: ‘maracujá do mato’) is an important medicinal species due to significant sedative and anxiolytic activities. In order to commercially exploit the plant, however, studies on propagation to improve rooting in stem cuttings are needed. The present study was designed to evaluate the effect of the brown seaweed (Ascophyllum nodosum (L.) Le Jol.) extract when applied on P. actinia stem cuttings bases. Five concentrations of the extract in distilled water were evaluated: 0% (pure distilled water), 10%, 20%, 30% and 40%. The experimental design was completely randomized with 4 repetitions and 12 cuttings per experimental unit. Cuttings were evaluated 45 days from planting. Data were analyzed through polynomial regression analysis and Pearson’s correlation coefficients were calculated for all the variables. On average, 51.27% rooting was achieved. Rooting percentage increased linearly according to the brown seaweed extract concentrations. When compared to the control treatment, about 10% increase in rooting was observed at the treatment with 40% seaweed extract. Leaf retention response to A. nodosum increasing concentrations was also adjusted in a positive linear model. A 15.6% increase in leaf retention was observed at the 40% seaweed concentration when compared to the control. Positive correlations were observed for leaf retention and rooting percentage and leaf retention and roots length. The immersion of P. actinia stem cuttings bases in A. nodosum extract at a concentration of 40% promote positive effects on rooting and facilitate the species propagation.

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Section: Resultsmentioning

confidence: 52%

Brown seaweed extract enhances rooting and roots growth on Passiflora actinia Hook stem cuttings

Gomes

Vieira

Tomasi

et al. 2018

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“…In the control treatment, rooting percentage was about 73%. As observed in Prunus serrulata stem cuttings (Fragoso et al, 2017), when endogenous auxin content is insufficient, the application of synthetic auxins like IBA is important to promote a favorable hormonal balance for adventitious rooting promotion. The ideal auxin concentration to be applied exogenously depends on the species being studied.…”

Section: Ex Vitro Rooting and Acclimatizationmentioning

confidence: 99%

Micropropagation and Establishment of Humulus lupulus L. Plantlets Under Field Conditions at Southern Brazil

Machado¹,

Gomes²,

Francisco³

et al. 2018

JAS

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Tissue culture technique can be an important approach for the rapid propagation of Humulus lupulus L. (hop plant). The present study evaluated different culture media for hop plants (cv. Columbus) in vitro shoots multiplication, as well as ex vitro rooting and plantlets establishment under field conditions at Southern Brazil. The culture medium containing the plant growth regulator thidiazuron (TDZ) resulted in greater in vitro shoots multiplications (five shoots per explant). For microcuttings ex vitro rooting, indole-3-butyric acid (IBA) application at a concentration of 3000 mg L -1 resulted in higher rooting and survival percentages during acclimatization. After 90 days of acclimatization, the plantlets were transplanted under field conditions and had their development and productivity evaluated 122 days after transplanting. Micropropagated plants achieved 100% survival under field conditions. Nitrogen supply is highly necessary for hop plants initial development at Southern Brazil. Micropropagation is a viable technique for quality plantlet production of H. lupulus cv. Columbus.

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“…Control 2,000 mg L -1 2,000 mg L -¹ 2,000 mg This internal regulation of roots elongation by auxin is highly variable, depending on the endogenous hormone concentration and sensitivity of each species/genotype and, therefore, the appropriate concentration of plant growth regulators to stimulate rooting and roots growth, if necessary, should be studied for each species/genotype. In P. serrulata stem cuttings, for example, Fragoso et al (2017) reported that concentrations of 750 and 1,000 mg L -1 IBA promoted longer roots. For stevia propagation, in turn, roots number and length reached maximum values at concentrations of 1,250 and 700 mg L-1 IBA, respectively (PIGATTO et al, 2018).…”

Section: Species/ Treatmentsmentioning

confidence: 99%

Can indolebutyric and fulvic acids induce adventitious rhizogenesis on mini-cuttings from Brazilian native tibouchinas?

Latoh

Gomes

Zuffellato-Ribas

2019

Self Cite

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The use of Brazilian native species for ornamental purposes is a promising alternative for local floriculture. Seeking to contribute with new information in this context, the present study aimed to evaluate the rooting performance of mini-cuttings from three Tibouchina species (T. aff. fothergillae, T. heteromalla and T. moricandiana var. vinacea) as affected by the use of indolebutyric acid (IBA) and fulvic acid (FA). Mini-cuttings with 5 cm in length were prepared with plant material from clonal mini-hedges and submitted to different treatments as follows: control treatment (T1); 2,000 mg L-1 IBA (T2); 2,000 mg L-1 FA (T3) and 2,000 mg L-1 IBA + 2,000 mg L-1 FA (T4). Planting was carried out in plastic containers filled with vermiculite, and, after 26 days under greenhouse conditions, the following variables were evaluated: mini-cuttings rooting percentage (RP), roots number (RN), roots length (RL), initial leaves maintenance (ILM) and sprouting (SP). The experiment was conducted under a completely randomized design in a 3 x 4 factorial scheme, with four replications and 20 minicuttings per plot. Rooting percentages were higher than 90% in all three species, regardless of IBA or FA treatments. RP, ILM and SP did not show statistically significant interaction between the treatments. For RN, T2 and T4 promoted the best results on T. aff. fothergillae (12.62 and 14.92, respectively) and T2 resulted in maximum values for T. heteromalla (15.65). For RL, T2 and T4 were statistically superior on T. heteromalla (9.52 and 8.20 cm, respectively). The use of IBA and FA is dispensable for rhizogenesis induction on mini-cuttings from the studied species

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Maximum efficiency concentration of indole butyric acid in promoting the rooting of Japanese Flowering Cherry

Cited by 11 publications

References 18 publications

Brown seaweed extract enhances rooting and roots growth on Passiflora actinia Hook stem cuttings

Brown seaweed extract enhances rooting and roots growth on Passiflora actinia Hook stem cuttings

Micropropagation and Establishment of Humulus lupulus L. Plantlets Under Field Conditions at Southern Brazil

Can indolebutyric and fulvic acids induce adventitious rhizogenesis on mini-cuttings from Brazilian native tibouchinas?

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