Determinação do comprimento da estaca para a produção de mudas de pitaia (Hylocereus costaricensis) em ambiente protegido

Moreira, Antonio Robson; Souza, Fernanda Ludmyla Barbosa de; Silva, Raimundo Thiago Lima da; Oliveira, Raimundo Leonardo Lima de; Alonço, Airton dos Santos; Neto, Cândido Ferreira de Oliveira; Sousa, Samara Ketely Almeida de

doi:10.17058/tecnolog.v21i2.8734

Cited by 5 publications

(4 citation statements)

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“…As shown in Table 2, regarding the length and diameter of the longest bud, it can be seen that, in both collection periods, positive correlations were found between these variables and the size of the cladodes; the highest values were obtained for 40-cm-long cladodes that were removed in winter, with average lengths and diameters of 18.41 and 5.00 cm, respectively; although the interactions between these factors were not significantly different. This result corroborates the findings of Moreira et al (2017), who concluded that the length of pitaya cladodes influenced the height gain, length and diameter of the emitted shoots, presenting a positive linear relationship; that is, the higher the stake was, the greater the increments were.…”

Section: Resultssupporting

confidence: 91%

“…Analyzing only the cladode size, a positive relationship was observed between the number of sprouts and sprouting percentage in the cladodes of the greatest studied lengths; this result corroborates the analyses carried out by Moreira et al (2017), who studied the determination of the cutting length for the production of clonal pitahaya plants (Hylocereus costaricensis) in protected environments and observed that clonal plants formed from cladodes of greater lengths presented higher reserves and stored nutrient availabilities (Delgado;Yuyama, 2010), mainly carbohydrates, which directly contribute to the formation and growth of sprouts and roots (Nicoloso;Cassol;Fortunat, 2001). Thus, in cases where there is greater availability of material, the use of larger cladodes is recommended, since according to Balaguera-Lopez et al (2010), a greater cladode length allows a plant to reach the apex of the tutor and begin emitting secondary branches more quickly, with adult plants forming earlier, initiating the reproductive stage.…”

Section: Resultssupporting

confidence: 87%

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Cladode size and collection time for pitahaya propagation

et al. 2021

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Cutting is a propagation method with the advantages of early production and uniform cultivation. Some factors influence propagation and rooting, such as the cutting size and the time of year the collection is performed. Thus, the present work aimed to evaluate the ideal size of white-fleshed red pitahaya cladodes and the time of their collection for crop propagation by cutting in view of the physiological quality of the produced clonal plants to enable more appropriate cultural management and increase the cultivation area. The experiment was conducted at the Faculty of Engineering (UNESP) using three cladode sizes (cuttings) with lengths of 10, 20 and 40 cm collected in two seasons (summer and winter). The experimental design used was completely randomized in a split-time scheme, with no dependence on the factors and 20 replicates. Evaluations of the biometric factors related to sprouts and cladode rooting were carried out 60 days after cutting. According to the results, there were significant differences among treatments, with a significant interaction of the number of sprouts. It can be concluded that, regarding the size of the cladodes, it is recommended, when possible, to use cladodes 40 cm in length; regarding the time of collection, it is recommended that collection be conducted in the winter period to favor the development of better-quality clonal plants.

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Section: Resultssupporting

confidence: 91%

Section: Resultssupporting

confidence: 87%

Cladode size and collection time for pitahaya propagation

et al. 2021

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“…Ao longo dos últimos anos, parte dos estudos relacionados à produção de mudas de pitaia, têm sido concentrados, em sua grande maioria, em estabelecer ou pelo menos sugerir, um intervalo confiável para o comprimentos de partes vegetativas, utilizadas para propagação [3,5,[8][9] e sua influência sobre o desenvolvimento inicial das mesmas, sendo escassos ou inexistentes os estudos de investigação, quanto ao seu comportamento em relação à disponibilidade hídrica e consequente influência sobre os parâmetros biométricos de crescimento.…”

Section: Introductionunclassified

Determinação do turno de rega para a produção de mudas de pitaia em ambiente protegido

et al. 2018

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____________________________________________________________________________________________________________ RESUMOEste trabalho teve como objetivo avaliar a influência do turno de rega sobre o desenvolvimento de mudas de pitaia, produzidas em ambiente protegido, assim como estabelecer um intervalo de tempo em dias, confiável entre as irrigações. O experimento foi realizado na área experimental da Universidade Federal Rural da Amazônia, Campus Capitão Poço, Pará. O delineamento experimental utilizado foi o inteiramente casualizado (DIC), com sete tratamentos constituídos pelos seguintes turnos de rega: T1 -sem irrigação durante todo o período de avaliação; T2 -turno de rega de um dia; T3 -turno de rega de dois dias; T4 -turno de rega de três dias; T5 -turno de rega de quatro dias; T6 -turno de rega de cinco dias; T7 -turno de rega de seis dias; com doze repetições, totalizando oitenta e quatro unidades experimentais. Aos vinte e sete dias, após a implantação do experimento, com a emissão dos primeiros cladódios pelas mudas, foi iniciada a mensuração dos parâmetros biométricos: altura, número de cladódios emitidos, comprimento e diâmetro do cladódio de primeira ordem, e comprimento do cladódio de segunda ordem. A irrigação das mudas proporcionou incremento significativo nos valores de altura, número de cladódios emitidos e no comprimento e diâmetro dos cladódios de primeira ordem, maioria dos parâmetros biométricos avaliados, em comparação com a testemunha. O turno de rega de três dias (T4) foi o tratamento que garantiu melhor uso consultivo da água, apresentando os pontos de máxima para altura, comprimento e diâmetro do cladódio de primeira ordem.Palavras-chave: Engenharia de água e solo, Cactaceae, Metabolismo CAM. ____________________________________________________________________________________________________________ IntroduçãoPertencente à família Cactaceae, a pitaia é uma espécie frutífera originária da América Central e cultivada em maior escala no Oriente Médio e Ásia. Apresenta como principais atrativos aos agricultores sua alta produtividade de até 34 toneladas por hectare (t ha -1 ) [1], com perspectiva de obter produção logo no primeiro ano de implantação do pomar [2-3] e preço de comercialização alto no mercado de frutas exóticas.É destaque entre as frutíferas consideradas de cultivo promissor, e que em meados da década passada, passou a suprir uma demanda significativa do mercado de frutas exóticas no continente Europeu [3]. A pitaia vem sendo procurada não só pelo exotismo da aparência, mas, principalmente, por suas características organolépticas [4][5], tais como: sabor doce e suave, polpa firme e sementes com ação laxante.

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“…The propagation material was taken from the primary cladodes (main stems) of different 2-year-old plants from the orchard of UFRA-CCP. The cladodes were 25 cm long, as recommended by Moreira et al (2017).…”

Section: Characteristics Of the Propagation Materialsmentioning

confidence: 99%

Growth of pitaya seedlings according to the type of substrate and the frequency of irrigation

et al. 2021

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Growth of pitaya seedlings according to the type of substrate and the frequency of irrigationThe objective of this study was to evaluate the development of pitaya cuttings in different substrates under different frequencies of irrigation. The experiment was conducted from January to May 2017 in a greenhouse at the Universidade Federal Rural da Amazônia, Capitão Poço, Pará, Brazil. A completely randomized 3 × 7 factorial design with four replicates was used. Pitaya plants were grown from cuttings in three types of substrates (S1: potting soil; S2: potting soil + cattle manure + wood shavings; and S3: washed sand) under seven irrigation frequencies (24, 48, 72, 96, 120, 144, and 168 h). There was interaction between treatments for root dry matter production, root length variables, the other variables showed no interaction between treatments. The greater development of new and vigorous tissues of the aerial part, the substrates with composition black earth and black earth + manure + sawdust are indicated, and the adoption of the irrigation frequency of 72 h or 96 h. The use of substrate based on black earth + manure + sawdust, allows savings in the rational use of water and energy with the application of the 96 h irrigation frequencies, maintaining satisfactory levels of development to the plant. The washed sand substrate can be used for propagation when this material is abundant, however, greater attention should be paid to the supply of water and nutrients to the plant.

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Determinação do comprimento da estaca para a produção de mudas de pitaia (Hylocereus costaricensis) em ambiente protegido

Cited by 5 publications

References 10 publications

Cladode size and collection time for pitahaya propagation

Cladode size and collection time for pitahaya propagation

Determinação do turno de rega para a produção de mudas de pitaia em ambiente protegido

Growth of pitaya seedlings according to the type of substrate and the frequency of irrigation

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