Biometry of fruits and seeds, seeds germination and post-seminal development of areca palm

Pêgo, Rogério Gomes; Grossi, José Antônio Saraiva

doi:10.14295/oh.v22i2.885

Cited by 5 publications

(3 citation statements)

References 7 publications

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“…The auxins present interesting biological functions to production of ornamental plants; one of them is the rooting of cuttings. These phytohormones improve the rooting of cuttings of different plant species such as hibiscus (Hibiscus rosa-sinensis L.), roses (Rosa caninna L.), chrysanthemum (Chrysanthemum morifolium L.) and goldenrod (Solidago canadensis L.) among outers (Barbosa et al, 2005;Pizzatto et al, 2011;Muniz et al, 2015, Mehrabani et al, 2016. The roots formation in cuttings dependent of concentration of auxin content, however the effect can be optimized in synergism with others components as, for example, carbohydrates, diphenyls and ethylene (Henrique et al 2006).…”

Section: Resultsmentioning

confidence: 99%

“…The rooting cut of ornamental plants can be affected by physical properties of substrate such as porosity, density and water retention capacity; this characteristics can be limitations factors on vegetative propagation causing physical restrictions to emissions and growing of roots Pêgo et al, 2016). In another hand, chemical characteristics as pH should be affect the roots production in stem cutting because a low pH as the high pH induces over callusing and may delay rooting in the nursery plants (Hamid et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

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Propagation of Streptosolen jamesonii (Benth.) Miers by stem cutting treated with IBA in different substrates

Pêgo¹,

Fiorini²,

Machado³

et al. 2019

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The mamalade shrub [Streptosolen jamesonii (Benth.) Miers] is an ornamental species with great potential of use in gardens; these plants have an intense contrast of colors between flowers and leaves and their flowering occurs in practically all the seasons of the year. This plant is propagation mainly by stem cuttings, but the propagation vegetative of this plant is still poorly known. Knowledge about auxin and substrate actuations on rooting may be useful for the cultivation and promotion of the popularization of these plants for garden ornamentation purposes. Therefore, this work aimed evaluated the effect of indolbutiric acid (IBA) and substrates on stem rooting and quality of marmalade bush plants. The experimental design was the completely randomized, in a 5x3 factorial scheme, with eight replications and one stem cut per plot. Factor A consisted of four concentrations of IBA 500; 1000; 2000 and 3000 mg L-1 and a control 0 mg L-1 (only distilled water); the B factor was constituted of substrates: vermiculite, sand and commercial substrate Plantmax®. Each herbaceous cutting was standardized by length, measuring 10 cm and six leaves. The treatment was performed submerging the base of cutting, 3 cm in length, in solution of IBA for 1 min and disposed in substrates vermiculite, sand or commercial substrate. After 30 days were evaluated the percentage of rooting and surviving of cutting, the number of roots and shoots, the length of roots and shoots; the length of roots and shoots and the fresh weight of roots and shoots were evaluated. The IBA concentrations or the substrates do not affect the rooting or survival of the cuttings, however, better quality plantlets are obtained when the cuttings are treated with 750 to 1456 mg L-1 IBA in commercial substrates where the highest number of roots and the greater development of root and new shoots.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Propagation of Streptosolen jamesonii (Benth.) Miers by stem cutting treated with IBA in different substrates

Pêgo¹,

Fiorini²,

Machado³

et al. 2019

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“…O enraizamento de plantas ornamentais pode ser afetado por propriedades físicas do substrato, como porosidade, densidade e capacidade de retenção de água. Essas características podem ser fatores limitantes da propagação vegetativa causando restrições físicas às emissões e cultivo de raízes (PÊGO;GROSSI, 2016;PÊGO et al, 2019). O uso de substratos mais adequados para proporcionar maior enraizamento, melhor distribuição e conformação das raízes (KLEIN;COHEN;HEBBE, 2000) são essenciais na formação de mudas de qualidade superior.…”

Section: Introductionunclassified

Enraizamento de estacas de mini-ixora (Ixora coccinea L. var. compacta) sob diferentes substratos e estimuladores de desenvolvimento radicular

Pinto

Moura²

2021

ForScience

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A mini-ixora é uma planta ornamental propagada comercialmente por meio de estaquia e apreciada para uso em paisagismo. O enraizamento das estacas, no entanto, ocorre em baixa porcentagem, resultando em baixa produção de mudas nos viveiros. Visando otimizar a propagação vegetativa desta espécie, avaliou-se o efeito de diferentes estimuladores de desenvolvimento radicular e substratos sobre o enraizamento de estacas da mini-ixora. As estacas semi lenhosas com 10 cm de comprimento foram cultivadas em estufa climatizada. O delineamento experimental utilizado foi em blocos casualizados em esquema fatorial 2 x 6, sendo dois substratos (S1: 100% de areia lavada e S2: 50% de bagaço de cana + 50% de vermiculita) e seis estimuladores de enraizamento (água - testemunha; extrato de tiririca; hormônio comercial; AIB 1000 mg/L; AIB a 2000 mg/L e AIB a 4000 mg/L). Utilizaram-se quatro repetições e dez estacas por parcela experimental. Após 120 dias, foram avaliados os seguintes parâmetros morfológicos: estacas enraizadas (%), mortalidade (%), comprimento do sistema radicular, qualidade do sistema radicular e número de brotos por estaca. A propagação vegetativa das estacas de mini-ixora utilizando como substrato a mistura de bagaço de cana-de-açúcar com vermiculita proporciona maior porcentagem de enraizamento, comprimento radicular e menor porcentagem de mortalidade das estacas. O cultivo das estacas de mini-ixora no substrato composto de bagaço de cana-de-açúcar e vermiculita dispensa o uso de estimuladores de enraizamento para a obtenção de estacas com melhor qualidade do sistema radicular. Palavras-chave: Estaquia. AIB. Produção de mudas. Propagação vegetativa. Rooting of mini-ixora cuttings (Ixora coccinea l. var. compacta) under different substrates and stimulators of radicular development Abstract Mini-ixora is an ornamental plant commercially propagated by cuttings. It is a species appreciated for use in gardens. The rooting of the cuttings, however, occurs in a low percentage, which results in low production of plants. In order to optimize the vegetative propagation of this species was studied the effect of different stimulators and substrates on rooting of mini-ixora cuttings. Cuttings with 10 cm were grown under controlled conditions. The experimental design was randomized blocks in a factorial scheme 2 x 6; two substrates (S1: 100% washed sand and S2: 50% sugarcane bagasse + 50% vermiculite) and six rooting stimulators (water; tiririca extract; commercial hormone; IBA 1000 mg/L; IAB 2000 mg/L and IBA 4000 mg/L). We used four replications and ten cuttings per experimental plot. After 120 days, we evaluated the following morphological parameters: percentage of rooted cuttings, percentage of mortality, length of the root system, root system quality and number of shoots per cutting. The vegetative propagation of the mini-ixora cuttings using as substrate a mixture of sugarcane bagasse with vermiculite provided the highest percentage of rooting, root length and lower percentage of mortality of the cuttings. The cultivation of mini-ixora cuttings on the substrate composed of sugarcane bagasse and vermiculite does not require the use of rooting stimulators to obtain cuttings with good quality of the root system. Keywords: Cuttings. IBA. Seedling production. Vegetative propagation.

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Unraveling relationships of prompt germination among four species of Inga Mill detected by morpho-anatomical and histochemical traits

Rodrigues

Cavalcanti

Silva

et al. 2021

Flora

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Biometry of fruits and seeds, seeds germination and post-seminal development of areca palm

Cited by 5 publications

References 7 publications

Propagation of Streptosolen jamesonii (Benth.) Miers by stem cutting treated with IBA in different substrates

Propagation of Streptosolen jamesonii (Benth.) Miers by stem cutting treated with IBA in different substrates

Enraizamento de estacas de mini-ixora (Ixora coccinea L. var. compacta) sob diferentes substratos e estimuladores de desenvolvimento radicular

Unraveling relationships of prompt germination among four species of Inga Mill detected by morpho-anatomical and histochemical traits

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