Mini-cuttings technique: a new ex vitro method for clonal propagation of sweetgum

Wendling, Ivar; Brondani, Gilvano Ebling; Dutra, Leonardo Ferreira; Hansel, F. A.

doi:10.1007/s11056-009-9175-2

Cited by 46 publications

(44 citation statements)

References 18 publications

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“…The mini-cuttings were collected from selected CPT naturally growing at the Forest Genetics and Tree Breeding experimental field, in Jodhpur. The mini-stumps were propagated by conventional cutting methods (Stape et al 2001, Schwambach et al 2008, Wendling et al 2010) from trees 30 months old. The newly emerging juvenile apical shoots (mini-cuttings) were harvested using sterile pruning scissors in the morning.…”

Section: Preparation Of Stem Cuttingsmentioning

confidence: 99%

“…Mini-cuttings allow genetic characteristics to be maintained (Stape et al 2001, Wendling & Xavier 2005, Schwambach et al 2008, Wendling et al 2010, Majada et al 2011. The adventitious root ability in mini-cuttings has been extensively tested in Eucalyptus cloeziana (Almeida et al 2007), E. benthamii Maiden & Cambage × E. dunnii Maiden (Brondani et al 2008), E. globulus × E. maidennii (Schwambach et al 2008) clones of E. benthamii and E. dunnii (Brondani et al 2010a), E. benthamii (Brondani et al 2010b) and Pinus pinaster (Majada et al 2011) with positive results.…”

Section: Introductionmentioning

confidence: 99%

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De novo adventitious root formations in mini-cuttings of Azadirachta indica in response to different rooting media and auxin treatments

Gehlot¹,

Gupta²,

Arya³

et al. 2015

iForest

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Section: Preparation Of Stem Cuttingsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

De novo adventitious root formations in mini-cuttings of Azadirachta indica in response to different rooting media and auxin treatments

Gehlot¹,

Gupta²,

Arya³

et al. 2015

iForest

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“…The use of techniques, such as mini-cuttings, has subsidized the evolution of clonal forestry with increased productivity, standardization of crops and, especially, qualifying forest products (Wendling, Brondani, Dutra, & Hansel, 2010;Baccarin et al, 2015;Kratz, Stuepp, Pires, & Wendling, 2015). In P. angustifolia, this technique has proved to be promising.…”

Section: Introductionmentioning

confidence: 99%

<b>Successive mini-cuttings collection in <i>Piptocarpha angustifolia</i> mini-stumps: effects on maturation, adventitious root induction and root vigor

et al. 2017

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ABSTRACT. The low percentage of seed germination and adventitious root induction in cuttings ofPiptocarpha angustifolia has limited its silvicultural use. Thus, we studied the effect of tissue maturation on successive collections of mini-cuttings grown in a semi-hydroponic system. Likewise, we evaluated potential multiplication via the mini-cutting technique by assessing the survival and productivity of ministumps as well as the formation of adventitious roots and the root vigor. We made 32 sprout collections during two years in a clonal mini-garden. From these collections, mini-cutting experiments were installed throughout several seasons. Mini-cuttings of 8±1 cm long were prepared, planted in boxes with vermiculite and carbonized rice husk (1:1 v/v) and placed in a greenhouse. After 70 days, we evaluated the adventitious rooting percentage as well as the adventitious root and aerial vigor of the mini-cuttings. The appropriate survival of mini-stumps (68%) and the annual production of mini-cuttings per square meter (2,227) reflected the efficiency of the semi-hydroponic system for this species. The increasing rooting, multiplication rate and root vigor indicate no maturity in the course of the collection of mini-cuttings in P. angustifolia mini-stumps.Keywords: juvenility, multiplication rate, ontogenetic age, root induction, vegetative propagation.Coletas sucessivas de miniestacas em minicepas de Piptocarpha angustifolia: efeito sobre a maturação, enraizamento e vigor radicial RESUMO. Os reduzidos percentuais de germinação de sementes e enraizamento de miniestacas de Piptocarpha angustifolia têm limitado sua evolução silvicultural. Objetivou-se estudar o efeito de sucessivas coletas de miniestacas cultivadas em sistema semi-hidropônico sobre a maturação e o potencial de multiplicação via miniestaquia, por meio da avaliação da sobrevivência, produtividade das minicepas e enraizamento e vigor radicial das miniestacas. Foram realizadas 32 coletas de brotações durante dois anos em minijardim clonal. A partir destas, foram instalados experimentos de miniestaquia em cada estação climática. Foram preparadas miniestacas de 8±1 cm, plantadas em caixas com vermiculita e casca de arroz carbonizada (1:1 v/v) e acondicionadas em casa de vegetação. Transcorridos 70 dias avaliaram-se o enraizamento e o vigor radicial e vegetativo das miniestacas. A boa sobrevivência de minicepas (68%) e produção anual de miniestacas por metro quadrado (2227) refletem a eficiência do sistema semihidropônico para a espécie. O aumento do enraizamento, taxa de multiplicação e vigor radicial indicam não haver maturação no decorrer das coletas de miniestacas em minicepas de P. angustifolia.Palavras-chave: juvenilidade, taxa de multiplicação, idade ontogenética, rizogênese, propagação vegetativa.

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“…The use of minicutting techniques in Eucalyptus species has subsidized the evolution of clonal forestry with increased productivity, standardization of crops, and, especially, qualification of forest products Wendling et al, 2010;Baccarin et al, 2015). For P. angustifolia, this technique has proved to be promising, although the obtained results have not been technically feasible because rooting percentages were not greater than 45% (Ferriani et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Quality of clonal plants of Piptocarpha angustifolia in different renewable substrates and seasons of the year

Stuepp

Wendling

Koehler

et al. 2016

Pesq. agropec. bras.

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-The objective of this work was to evaluate the effect of different compositions of renewable substrates and seasons of the year on the quality of Piptocarpha angustifolia clonal plants. The experiment was carried out in a completely randomized design in a 4x6 factorial arrangement (four seasons x six substrate compositions). The analyzed substrates were: S1, commercial substrate with pine bark and coconut fiber base (CF); S2, carbonized rice husk (CRH); S3, fibrous and grainy CF; S4, 50% CF and 50% CRH; S5, 30% CF and 70% CRH; and S6, 70% CF and 30% CRH. Minicuttings of 8±1 cm were planted in tubes of 110 cm 3 and placed in a greenhouse, during the four seasons of the year. The evaluated variables were: survival and number of roots at 70 days; survival and emission of shoots at 100 days; rooting, shoot height, stem diameter, and their ratios; easiness of removal from tubes; aggregation to the substrate; and multiplication rate at 130 days. The highest CRH/CF ratio favored the development of better-quality plants, and S5 was the most adequate substrate. Spring is more favorable to the survival and quality of cuttings, and, together with summer, favors the highest multiplication rates. The S5 substrate has better physical and chemical quality and improves P. angustifolia clonal plants.Index terms: agro-industrial residues, clonal forestry, forest plant quality, production of minicuttings, "vassourão-branco". Qualidade de mudas clonais de Piptocarpha angustifolia em diferentes substratos renováveis e estações do anoResumo -O objetivo deste trabalho foi avaliar o efeito de diferentes composições de substratos renováveis e estações do ano na qualidade de mudas clonais de Piptocarpha angustifolia. O experimento foi conduzido em delineamento inteiramente casualizado, em arranjo fatorial 4x6 (quatro estações do ano x seis composições de substratos). Os substratos avaliados foram: S1, substrato comercial à base de casca de pinus e fibra de coco (FC); S2, casca de arroz carbonizada (CAC); S3, FC fibrosa e granulada; S4, 50% FC e 50% CAC; S5, 30% FC e 70% CAC; e S6, 70% FC e 30% CAC. Miniestacas de 8±1 cm foram plantadas em tubetes de 110 cm 3 e acondicionadas em casa de vegetação, nas quatro estações do ano. Avaliaram-se as variáveis: sobrevivência e número de raízes aos 70 dias; sobrevivência e emissão de brotos aos 100 dias; enraizamento, altura da parte aérea, diâmetro do coleto e suas relações; facilidade de retirada dos tubetes; agregação ao substrato; e taxa de multiplicação aos 130 dias. A maior relação CAC/FC favoreceu o crescimento de mudas com melhor qualidade, e S5 foi o substrato mais adequado. A primavera é mais favorável à sobrevivência e à qualidade das mudas e, juntamente com o verão, favorece as maiores taxas de multiplicação. O substrato S5 apresenta melhor qualidade física e química e proporciona melhores mudas clonais de P. angustifolia.Termos para indexação: resíduos agroindustriais, silvicultura clonal, qualidade de mudas florestais, miniestaquia, vassourão-branco.

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Mini-cuttings technique: a new ex vitro method for clonal propagation of sweetgum

Cited by 46 publications

References 18 publications

De novo adventitious root formations in mini-cuttings of Azadirachta indica in response to different rooting media and auxin treatments

De novo adventitious root formations in mini-cuttings of Azadirachta indica in response to different rooting media and auxin treatments

<b>Successive mini-cuttings collection in <i>Piptocarpha angustifolia</i> mini-stumps: effects on maturation, adventitious root induction and root vigor

Quality of clonal plants of Piptocarpha angustifolia in different renewable substrates and seasons of the year

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