Propagation Techniques for Three Mediterranean Native Shrubs With Potential as Ornamental Outdoor Plants

Roxas, Ubaldo Amico; Iapichino, Giovanni; Bertolino, Massimo; Palumbo, Salvatore Accardo; U, Amico Roxas; S, Accardo Palumbo; Moncada, Alessandra

doi:10.17660/actahortic.2006.723.61

Cited by 3 publications

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“…Investigation of factors controlling the propagation of a species is a fundamental prerequisite to the exploitation of native plants with potential for commercial ornamental nursery involved in urban landscape (Romano, 2004). Micromeria fruticulosa regenerates naturally by seed and 80and 63% germination at 24 and 20 °C, respectively, has been reported under laboratory conditions (Iapichino et al, 2006a).Vegetative propagation by cutting could be an alternative and effective method for rapid mass propagation of selected clones of M. fruticulosa and would also preserve wild plants from irresponsible cutting collection. Iapichino et al (2006a) in a preliminary study report that M. fruticulosa propagation by stem cutting is feasible and cuttings collected in December were responsive to exogenous IBA application.…”

Section: Introductionmentioning

confidence: 94%

“…Micromeria fruticulosa regenerates naturally by seed and 80and 63% germination at 24 and 20 °C, respectively, has been reported under laboratory conditions (Iapichino et al, 2006a).Vegetative propagation by cutting could be an alternative and effective method for rapid mass propagation of selected clones of M. fruticulosa and would also preserve wild plants from irresponsible cutting collection. Iapichino et al (2006a) in a preliminary study report that M. fruticulosa propagation by stem cutting is feasible and cuttings collected in December were responsive to exogenous IBA application. However, no information are available on other factors which might affect adventitious rooting in M. fruticulosa such as rooting medium temperatures (heated bench vs. unheated bench), cutting length and size.…”

Section: Introductionmentioning

confidence: 94%

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Effect of Cutting Size and Basal Heat on Rooting of Micromeria fruticulosa Stem Cuttings

Sabatino

D’Anna

Iapichino

2017

Not Bot Horti Agrobo

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Micromeria fruticulosa (Bertol.) Grande is a small pulviniform shrub, belonging to the Labiates, and characterized by twisted stems and pink-purple flowers. Endemic to Campania and Sicily (Italy), M. fruticulosa grows from sea level to 600 m altitude. This specie might be considered an excellent native plant for landscape purposes in Mediterranean areas because of its long flowering period, extending from November to June, and its tolerance to heat and drought. The exploitation of wild plants for ornamental purposes implies knowledge on the factors influencing the propagation methods. Root development of stem cuttings of M. fruticulosa was investigated in relation to basal heat and cutting size. Softwood terminal cuttings of a clone grown in Sicily were trimmed to two sizes: short (3 cm) or long (6 cm) length. Propagation was performed in unheated greenhouse covered with clear polyethylene and external 70% shade-cloth. To verify the rooting response to basal heat, half of the cuttings were placed on a basal heated bench (22 ± 2 °C constant temperature) while the remaining were placed on an unheated bench. Acclimatized rooted cuttings were thereafter transplanted into each plastic pot (diameter 16 cm). Plants were thereafter transplanted in the open field and were evaluated for their ornamental value. Basal heat promoted earlier rooting and positively affected adventitious root formation. Six cm long cuttings exposed to basal heat exhibited the best development in terms of number and length of adventitious roots. Flowering plants derived from 6 cm long cuttings exposed to basal heat showed the highest number of flowering branches and flowers per plant.

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Section: Introductionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 94%

Effect of Cutting Size and Basal Heat on Rooting of Micromeria fruticulosa Stem Cuttings

Sabatino

D’Anna

Iapichino

2017

Not Bot Horti Agrobo

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“…To circumvent these problems micropropagation has been recommended (Frabetti et al, 2009). Vegetative propagation by stem cuttings has been successfully applied to other Teucrium species (T. divaricatum, T. polium, T. chamaedrys, T. flavum, T. scorodomia) (Dirr and Heuser, 2006;Iapichino et al, 2006;MacDonald, 1987;Maloupa et al, 2008). Although the effects of exogenous auxin on adventitious root formation in Teucrium species has been documented (Dirr and Heuser 1987;Frangi and Nicola 2004;Maloupa et al, 2008) no research on the influence of the morphological characteristics of the cuttings on rooting of T. fruticans has been reported.…”

Section: Introductionmentioning

confidence: 99%

Cutting Type and IBA Treatment Duration Affect <i>Teucrium fruticans</i> Adventitious Root Quality

Sabatino

D’Anna

Iapichino

2014

Not Bot Horti Agrobo

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Root development of stem cuttings of Silver Germander (Teucrium fruticans) was investigated in relation to cutting type and indole-3-butyric acid (IBA) treatment. Terminal cuttings of a clone grown in Sicily were trimmed to three types: terminal cuttings with apex (TWA), terminal cuttings without apex (TWOA) or sub-terminal cuttings (ST). To verify the cutting response to exogenous auxin, cuttings were dipped to a 2.0 cm depth in a 0.5% indole-3-butyric acid solution for 0, 5 or 7 minutes. Overall percent survival was 97 to 98%. Rooting percent, root number and root length were affected by cutting type and indole-3-butyric acid treatment. In general, TWA cuttings demonstrated a higher capacity to form roots than cuttings without apex (TWOA and ST cuttings). In absence of indole-3-butyric acid treatment, TWA and ST cuttings gave higher rooting percentages than TWOA cuttings. Exposing cuttings to indole-3-butyric acid improved percent rooting, number of roots per cutting and root length. The best results in terms of rooting percentage and root number per cuttings were obtained with TWA cuttings in combination with 7 min indole-3-butyric acid basal dip. However, cuttings taken farther down the stem, such as sub-terminal cuttings gave satisfactory rooting performance as well. We suggest that the use of all cutting types tested associated to indole-3-butyric acid basal dip for 5 or 7 min may be beneficial to propagators wishing to produce T. fruticans rooted cuttings with well-developed root system.

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Asexual Propagation of Four Medicinal Greek Endemic Plants of Lamiaceae Family With Conservation Priority From The Collection of The Balkan Botanic Garden of Kroussia, N. Greece

Sarropoulou¹,

Maloupa²

2019

JAA

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Conservation of endemic rare-threatened plants and sustainable exploitation of biodiversity with emphasis on medicinal-aromatic plants and plants with horticultural/ornamental value can be achieved through ex situ conservation activities. For this purpose, propagation experiments with cuttings were performed on four local Ionian endemic species with conservation priority, Stachys ionica Halácsy, Teucrium halascyanum, Thymus holosericeus Celak and Thymus plasonii Adamovic (all Lamiaceae). For propagation, softwood tip cuttings (3-5 cm) were cut at early autumn from mother plants collected from the wild and maintained in open-air mother plantations. For experimentation, the base of cuttings was immersed for 1 min in solutions of four concentrations of IBA (0, 1000, 2000 and 4000 ppm). Cuttings were placed on a peat:perlite (1:3) substrate in the bench of greenhouse heated mist system. Most suitable treatment for T. halascyanum (3 ½ weeks) proved to be 1000 ppm IBA (32.13 roots 1.72 cm long, 100% rooting). Accordingly, 2000 ppm IBA gave 100% rooting for both S. ionica (28.5 roots 1.56 cm long,) (3 weeks) and Th. holosericeus (4.4 roots 1.76 cm long) (7 weeks). T. plasonii cuttings treated with 2000 ppm IBA gave 85.71% optimum rooting with 8.67 roots 1.78 cm long.

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Propagation Techniques for Three Mediterranean Native Shrubs With Potential as Ornamental Outdoor Plants

Cited by 3 publications

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Effect of Cutting Size and Basal Heat on Rooting of Micromeria fruticulosa Stem Cuttings

Effect of Cutting Size and Basal Heat on Rooting of Micromeria fruticulosa Stem Cuttings

Cutting Type and IBA Treatment Duration Affect <i>Teucrium fruticans</i> Adventitious Root Quality

Asexual Propagation of Four Medicinal Greek Endemic Plants of Lamiaceae Family With Conservation Priority From The Collection of The Balkan Botanic Garden of Kroussia, N. Greece

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