Rooting of apical cuttings of Angelonia integerrima Sprengel: concentrations of indole-3-butyric acid and substrates

Winhelmann, Mara Cíntia; Grzeça, Gislaine Taís; Emer, Aquélis Armiliato; Tedesco, Marino José; Paris, Priscila; Paolazzi, Joana; Fior, Claudimar Sidnei; Schäfer, Gilmar

doi:10.14295/oh.v24i2.1149

Cited by 4 publications

(2 citation statements)

References 13 publications

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“…Percentage of surviving (PES), rooted (PEE), and dead (PEM) cuttings, and average number of roots per cutting (NRE), mean length of the three largest roots (CMR), at 150 days after establishing the E. enterophora experiment. This result is similar to that observed by Ferreira et al (2011) and Winhelmann et al (2018). These authors found that using IBA had no influence on the survival of Sapium glandulatum (Vell.)…”

Section: Experiments With E Enterophorasupporting

confidence: 92%

Cuttings of Euphorbia phosphorea Mart and Euphorbia enterophora Drake at different concentrations of indole-butyric acid and analysis of economic viability

Rossa

P²,

Filho³

et al. 2019

Ornam. Hortic.

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Defining seedling production protocols for ornamental species through the use of plant regulators requires economic analysis that demonstrates the real financial returns of such activity to horticulturists. The objective was to evaluate the influence of using indole butyric acid regulator (IBA) on rooting of Euphorbia phosphorea (Mart) and Euphorbia enterophora (Drake) cuttings, as well as to analyze the economic viability of seedling production with the use of IBA. The cuttings were 10 cm long, and treated with IBA at concentrations of 0; 1,000; 3,000; and 5,000 mg L-1. The cuttings were place in vermiculite substrate and were irrigated daily inside a greenhouse. The experimental design was completely randomized, with 4 replications, containing 5 cuttings per experimental unit. Evaluations were performed 150 days after establishing the experiments. The Net Present Value (NPV) and the Internal Return Rate (IRR) were analyzed to determine the economic viability analysis of using IBA. For E. phosphorea there was no significant difference between treatments for cuttings survival, number of roots and length of roots. Callus formation was not observed at the base of the cuttings, and the highest survival percentage was observed in T3 (3,000 mg L-1) and T4 (5,000 mg L-1) treatments. Treatment T1 (control) presented a lower number of roots per cutting (12.8) and higher average length of the three largest roots (12.56 cm). The use of the IBA regulator increased the percentage of rooted cuttings and the number of roots per cutting, and the concentration of 3,000 mg L-1 was recommended for E. phosphorea. Regarding aspects of economic viability, using IBA at the commercial nursery level is recommended. For E. enterophora, IBA is not recommended because it is an easily rooted species (95%), therefore, denotes the economic unfeasibility of its use.

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Section: Experiments With E Enterophorasupporting

confidence: 92%

Cuttings of Euphorbia phosphorea Mart and Euphorbia enterophora Drake at different concentrations of indole-butyric acid and analysis of economic viability

Rossa

P²,

Filho³

et al. 2019

Ornam. Hortic.

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“…The species A. integerrima has already been the focus of several studies (WINHELMANN et al, 2016;WINHELMANN et al, 2018a;WINHELMANN et al, 2018b), some of which is not yet published, but more information is needed on the viability of fertilization. Therefore, the objective of the study was to evaluate the development of Angelonia integerrima in vases, using different doses of slow-release fertilizer.…”

Section: Introductionmentioning

confidence: 99%

Desenvolvimento de angelônia em vaso, sob doses de adubo de liberação lenta

Winhelmann

Emer²,

Tedesco³

et al. 2018

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Angelonia integerrima is a native species that has ornamental potential, being cultivated in flowerbeds, flowerpots, pots, or even used as a complement in floral arrangements. Knowledge of mineral nutrition is required for the cultivation of the species, and slow release fertilization have become widespread in recent years, with a lower risk of toxicity to crops, an economy in relation to complementary fertilizers and may be an alternative to cultivation of potted plants. The aim of this study was to evaluate the development of Angelonia integerrima Sprengel in pot under slow release fertilization doses. Acclimatized seedlings with approximately 1 cm height, from in vitro germinated seeds were transplanted into 1 L pots containing substrate composted Pinus bark. Five doses of Basacote ® 9M slow release fertilizer, formulation 16-8-12 (N - P2O5 - K2O), 9 months: control - 0 g L-1, 2.5 g L-1, 5.0 g L-1, 7.5 g L-1 and 10.0 g L-1. The plants were grown in a greenhouse under drip irrigation. The shoot length, length of the largest inflorescence, number of stems, diameter of the largest stem, mean length of the stems, number of open flowers, fruits and senescent flowers, chlorophyll a, b and total, mass of dry matter of shoot and root system were evaluated after 286 days. The experimental design was completely randomized, with four replicates of six pots per plot. Data were submitted to analysis of variance (ANOVA) followed by polynomial regression by SigmaPlot 11.0. It was possible to adjust a quadratic equation for the variables: shoot length (with maximum response point in 7.2 g L-1), mean length of stems (6.7 g L-1), diameter of the largest stem and the root system (5.9 g L-1), number of open flowers, buds, senescent flowers and total flowers (7.7 g L-1). For the variables, number of stems, number of fruits, chlorophyll a, b and total did not differ between treatments. The slow releaser fertilizer indicated dose for the cultivation of the potted species is 7.2 g L-1.

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Baccharis vulneraria (Asteraceae) cuttings in different substrates

et al. 2023

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The objective of the study was to identify the most suitable substrate and type of cutting to obtain seedlings from Baccharis vulneraria Baker cuttings. Apical and stem cuttings were collected from stock plants grown in a greenhouse. After collection, the cuttings were grown in the following substrates: commercial peat-based substrate (CPS); Vermiculite (VM); carbonized rice husk (CRH); Coconut fiber (CF); VM and CRH (1:1) (VM + CRH); VM and CF (1:1) (VM + CF); and CRH and CF (1:1) (CRH + CF) mixtures. The experiment used a completely randomized factorial design and, after 60 days, the percentage of survival and rooting (% SR), aerial part length (APL) and roots length (RSL), number of shoots (SN) and new leaves (LN), root volume (RSV), aerial part dry mass (APDM), and roots dry mass (RSDM) were evaluated. An interaction was found between the type of substrate and cutting for APL, RSL, LN, RSV, and RSM. On the other hand, %SR, SN and APDM differed only by cutting type. Apical cuttings showed higher APL, while internode cuttings showed higher SN, LN, RSV, and APDM. CPS promoted higher RSL in both types of cuttings, being a suitable option for the propagation of Baccharis vulneraria, particularly in internode cuttings.

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Rooting of apical cuttings of Angelonia integerrima Sprengel: concentrations of indole-3-butyric acid and substrates

Cited by 4 publications

References 13 publications

Cuttings of Euphorbia phosphorea Mart and Euphorbia enterophora Drake at different concentrations of indole-butyric acid and analysis of economic viability

Cuttings of Euphorbia phosphorea Mart and Euphorbia enterophora Drake at different concentrations of indole-butyric acid and analysis of economic viability

Desenvolvimento de angelônia em vaso, sob doses de adubo de liberação lenta

Baccharis vulneraria (Asteraceae) cuttings in different substrates

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