Enraizamento de estacas de erva-baleeira em função de diferentes concentrações de ácido indol butírico e número de folhas

Bischoff, Adelia Maria; Vendramim, Daniel William; Gomes, Erik Nunes; Zuffellato-Ribas, Katia Christina; Engel, Mara Luana; Maggioni, Renata de Almeida

doi:10.5965/223811711612017041

Cited by 10 publications

(15 citation statements)

References 7 publications

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“…As mentioned by Taiz & Zeiger (2013), the greater juvenility of the apical material occurs due to the synthesis of auxins in the meristematic regions that facilitate the physiological status of the propagule, favoring its rooting. The same condition was observed by Bischoff et al (2017) on cuttings of Varronia curassavica Jacq. (Boraginaceae), where the best performance of the propagules was obtained from apical buds.…”

Section: Resultssupporting

confidence: 79%

Propagation of pariparoba (Piperaceae) by different types of stem cuttings and substrates

Ferriani

Krinski

2019

ABC

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Piper cernuum Vell., a native species known as pariparoba, presents essential oil with potential properties and significant growth in clearings, being indicated for the recovery of degraded areas. Prospecting studies for new botanical matrices need the development of specific essays of plant propagation for future domestication of the species. This work aimed to evaluate the rooting of different types of cuttings using different substrates to develop a seedling production protocol. Stem cuttings with one or two nodes were installed on three types of substrates (medium sifted sand, vermiculite of medium granulometry and commercial substrate [Tropstrato HP®]) and maintained in greenhouse for 60 days to evaluation of the percentages of survival, mortality, sprouts, rooting, average number and average length of the roots. The results showed interaction between cutting types and substrates for rooting percentage and sprouting cuttings. The largest rooting percentages were observed in apical cuttings planted in sand and vermiculite (57.0 and 55.25%, respectively). Cuttings with two nodes presented higher performance than those with one node when compared for the analyzed variables.

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Section: Resultssupporting

confidence: 79%

Propagation of pariparoba (Piperaceae) by different types of stem cuttings and substrates

Ferriani

Krinski

2019

ABC

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“…Several factors can influence vegetative reproduction success. Types of cuttings, substrates, environment humidity, hormonal balance and stock plants health, physiological conditions, and genetic characteristics are some of the main aspects pointed out as influent for stem cuttings adventitious rooting (ZUFFELLATO-RIBAS and RODRIGUES, 2001;NUNES GOMES and KRINSKI, 2016a;BISCHOFF et al, 2017;PIGATTO et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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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“…In general, high percentage of buddings is associated to lower rates of rooting. Physiologically, it may indicate that most of reserves used for rooting process translocated to form the buddings (BISCHOFF et al, 2017). At this time, it can explain part of the low rooting percentages observed in our study.…”

Section: Resultsmentioning

confidence: 68%

Efeito de IBAe de rizobactéria no enraizamento de miniestacas de Acácia negra

Ikeda¹,

Júnior²,

Ishibashi³

et al. 2019

COLLOQ AGRARIAE

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ResumoA acácia negra é uma espécie florestal de expressiva importância econômica na região sul do Brasil e a investigação de métodos de propagação vegetativa para constituição de florestas clonais é de grande valia para aumento da produtividade florestal. O objetivo deste trabalho foi avaliar a ação de promotores de enraizamento na miniestaquia de Acacia mearnsii como alternativa para a propagação vegetativa da espécie. O experimento foi conduzido no mês de julho/2018 (estação de inverno) com uma testemunha, duas concentrações de ácido indol butírico -IBA (2000 e 4000 mg L -1 ) e duas concentrações do inoculante AzoTotal® (100% e 50%) que contem a bactéria Azospirillum brasilense. Para os tratamentos com IBA, as bases das miniestacas permaneceram imersas em solução hidroalcoólica 1:1 durante 10 segundos e para o inoculante durante 15 minutos. O experimento foi conduzido em casa de vegetação e após 45 dias avaliouse a porcentagem de miniestacas enraizadas, número de raízes por miniestaca, comprimento das três maiores raízes por miniestaca, porcentagem de miniestacas com calos, porcentagem de sobrevivência das miniestacas, porcentagem de miniestacas com brotação e porcentagem de miniestacas que mantiveram os folíolos. Houve diferença significativa entre os tratamentos para miniestacas enraizadas, número de raízes por miniestaca e comprimento das três maiores raízes, não ocorrendo para as demais variáveis analisadas. A utilização de IBA em 4000 mg L -1 mostrou-se mais eficaz (63,7% de enraizamento) para o processo de propagação vegetativa da espécie. Palavras-chave: Acacia mearnsii; ácido indol butírico; Azospirillum brasilense; inoculante. Effect of IBA and rhizobacterium in rooting of Black wattle minicuttings AbstractBlack wattle is a forest species of great economic importance in the southern of Brazil. Researches for vegetative propagation methods to constitute clonal forests are effective to increase forest productivity. The goal of this work was to evaluate the action of compounds to promote rooting in minicuttings of Acacia mearnsii as an alternative to vegetative propagation to the species. We conducted the experiment in July/2018 (winter season) with one negative control, two concentrations of indole butyric acid -IBA (2000 and 4000 mg L -1 ) and two concentrations of AzoTotal™ (100% e 50%), an inoculant containing Azospirillum brasilense bacterium. In the IBA treatments, the base of minicuttings remained immersed in hydroalcoholic solution 1:1 for 10 seconds and for the inoculant treatments during 15 minutes. The experiment took place in a greenhouse and after 45 days, we evaluated the percentage of rooted minicutting; number of roots per minicutting; length of the three largest roots per minicutting; percentage of minicuttings with calluses; percentage of minicuttings survival; percentage of minicutting with budding and percentage of minicutting that kept the leaflets. There was significant difference between treatments considering rooted minicuttings, number of roots by minicutting, length of the three ...

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Enraizamento de estacas de erva-baleeira em função de diferentes concentrações de ácido indol butírico e número de folhas

Cited by 10 publications

References 7 publications

Propagation of pariparoba (Piperaceae) by different types of stem cuttings and substrates

Propagation of pariparoba (Piperaceae) by different types of stem cuttings and substrates

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

Efeito de IBAe de rizobactéria no enraizamento de miniestacas de Acácia negra

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