Exportação de macronutrientes em cultivos comerciais de bambu no tabuleiro costeiro do estado da Paraíba

Neto, Milton Costa Lima; Neto, Egídio Bezerra; Barreto, Levy Paes; Silva, José Antônio Aleixo da

doi:10.1590/s0100-67622010000200007

Cited by 3 publications

(2 citation statements)

References 7 publications

(4 reference statements)

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“…Overall, bamboo species have a hard time in vitro rooting, which makes it difficult to get a large number of explants with roots (MUDOI; SAIKIA; BORTHAKUR, 2014). Auxin addition to the culture medium is of paramount importance to enable rhizogenesis in bamboo plants (LIMA NETO et al, 2010 et al, 2012a) rooting.…”

Section: Experiments 2 -Ex Vitro Rooting and Acclimatizationmentioning

confidence: 99%

“…Bambusa vulgaris Schrad ex Wendl is the most common bamboo species distributed in the Brazilian territory (DO VALE;MOREIRA;MARTINS, 2017). This species has been used for ecological applications such as recovering of degraded soils; as well as in industrial applications such as alcohol, cellulose and paper production; and in the manufacture of handicrafts, furniture, fences and scaffolding (GUIMARÃES JÚNIOR; NOVACK; BOTARO, 2010;LIMA NETO et al, 2010). Bamboo species have potential for carbon sequestration and stand out as one of the main nontimber products (MOGNON et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

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Clonal bamboo production based on in vitro culture

et al. 2020

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Bamboo species are an alternative for the composition of forest plantations. However, their potential has not been explored due to the hard time in producing large-scale clonal plants. Thus, the aim this work was to evaluate the in vitro establishment, bud multiplication and ex vitro rooting of Bambusa vulgaris. The first experiment tested different systemic and contact fungicide solutions, based on exposure time, during the establishment phase. Established explants were subjected to evaluation of residual fungicide effect on subcultures during the multiplication and elongation phases. The second experiment evaluated the influence of activated carbon on ex vitro survival and on adventitious rooting. Explant immersion in liquid culture medium added with 1.0 mL of fungicide for 120 hours has favored the in vitro establishment and reduced fungal contamination. On the other hand, it favored the shoot emission of shoots per explant during the multiplication phase. Both rooting induction culture medium and mini-incubator system use were effective in enabling adventitious root formation. The presence of activated carbon in the rooting induction culture medium resulted in a higher clonal plant survival rate.

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Section: Experiments 2 -Ex Vitro Rooting and Acclimatizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Clonal bamboo production based on in vitro culture

et al. 2020

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Biomass and phosphorus content in giant bamboo cuttings influenced by phosphate fertilization

Dunaiski¹,

Pauletti

Motta

et al. 2019

Rev. Sci. Agr. Paranaensis

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Dendrocalamus asper, known as giant bamboo or bamboo-bucket, has been used as a substitute for wood and fiber, due mainly to its wide availability, rapid growth rate, short cycle and traditional use as construction material. In general, its cultivation is carried out on phosphorus-deficient soils, using vegetative propagation, mainly from cuttings. Thus, the aim of this study was to evaluate the effect of fertilization with phosphorus doses on the biomass allocation in roots, leaves and stems and on the level and content of P in leaves and roots of bamboo cuttings. The experiment was conducted in a greenhouse, using soil with low P content (2.4 mg dm-3). The treatments consisted of six doses of phosphorus (0, 20, 40, 80, 160 e 320 kg ha-1 of P2O5). The experimental design was a randomized block design, with five replications. After 90 days, the seedlings were collected and evaluated the following variables: dry mass of roots, leaves, stems and total dry mass, level and P content in leaves and roots. Phosphate fertilization promoted greater development of the cuttings and resulted in higher content of P. In general, the species D. asper responds positively to phosphate fertilization.

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Desempenho do concreto com adição de cinza do bambu

Silva

Andrade

Rios

et al. 2020

RSD

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Esta pesquisa tem como objetivo analisar o desempenho do concreto com adição de cinza do bambu, verificar a consistência obtida após o processo de cura, determinar a resistência à compressão aos 28 dias de cura, avaliar a capacidade de absorção de água e o índice de vazios dos concretos convencionais e com cinza. Foram moldados 20 corpos de prova de concreto e a coleta de dados foi feita através de ensaios laboratoriais. As porcentagens substituídas do cimento por cinza foram 0,5%, 1,0% e 1,5%. Como o material adicionado é altamente pozolânico, o mesmo foi previamente moído para aumentar o grau de finura e, assim, a sua granulometria tivesse compatibilidade com a do cimento. Os resultados obtidos, para o traço de 1,5% de cinza foi o que apresentou uma maior trabalhabilidade com 50,75% mais consistente que o convencional. Na resistência, os traços com 0,5% e 1,0% de CB mostraram-se satisfatórios atingindo 9,5% e 3%, respectivamente, mais favorável quando comparado ao concreto de referência. A de 1,5% teve um déficit de resistência de 2,5%, em relação ao convencional. Em relação a absorção o traço com 1,5% de cinza foi o que obteve melhor índice (1,25%) de absorção. No que se refere aos índices de vazios, os traços com CB não foram conclusivos. Desta forma, pode-se concluir que a fluidez da matriz cimentícia é melhorada com a adição da cinza e que concretos com essas adições tendem a ser mais duráveis.

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Exportação de macronutrientes em cultivos comerciais de bambu no tabuleiro costeiro do estado da Paraíba

Cited by 3 publications

References 7 publications

Clonal bamboo production based on in vitro culture

Clonal bamboo production based on in vitro culture

Biomass and phosphorus content in giant bamboo cuttings influenced by phosphate fertilization

Desempenho do concreto com adição de cinza do bambu

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