Silício e cloreto de sódio na nutrição mineral e produção de matéria seca de plantas de moringa (Moringa oleifera Lam.)

Miranda, José Romilson Paes de; Carvalho, Janice Guedes de; Santos, Diércules Rodrigues dos; Freire, Ana Luiza; Bertoni, J. C.; Melo, J. R.; Caldas, Adriana

doi:10.1590/s0100-06832002000400013

Cited by 20 publications

(22 citation statements)

References 25 publications

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“…Silva & Bohnen (2001), while working with rice grown in nutrient solution with Si, found reduced phosphorus contents in the roots when in the presence of Si. Responses in the alteration of nutrient content in plants grown in the presence of Si have also been found for dicotyledons, such as moringa (Miranda et al, 2002) and potato (Pulz et al, 2008). Silva & Bohnen (2003) found no influence of Si in macro and micronutrients content in rice grown under different concentrations of Si and Ca.…”

Section: Nutrients Plant Partsmentioning

confidence: 90%

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Growth and nutrient uptake of coffee seedlings cultivated in nutrient solution with and without silicon addition

Cunha

Oliveira²,

Caballero

et al. 2012

Rev. Ceres

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RESUMO Crescimento e absorção de nutrientes pelo cafeeiro cultivado em solução nutritiva com e sem adição de silícioA adubação silicatada do cafeeiro promove alteração da nutrição da planta e de seu crescimento. Assim, a determinação da absorção de silício e sua influência na absorção de macro e micronutrientes pelas plantas são essenciais para avaliar as implicações deste elemento na fisiologia vegetal, bem como no manejo adequado da cultura. O objetivo deste trabalho foi avaliar a absorção de silício por plantas de café e seu efeito no crescimento e na absorção de outros nutrientes. A pesquisa foi conduzida em casa de vegetação do Departamento de Fitotecnia da Universidade Federal de Viçosa, em Viçosa, Minas Gerais, Brasil. O delineamento utilizado foi o inteiramente casualizado, com dois tratamentos (com e sem adição de silício) e três repetições, cada uma delas composta por três plantas. Foram retiradas alíquotas, a cada três dias, das soluções nutritivas e avaliadas as quantidades de silício e potássio absorvidas, bem como o consumo de água por plantas de café, além da concentração de OH -na solução nutritiva. Ao final de 33 dias, as plantas foram avaliadas quanto à massa de matéria fresca e seca de folhas, raízes e caule; altura da parte aérea e comprimento Growth and nutrient uptake of coffee seedlings cultivated in nutrient solution with and without silicon additionIn recent years, the application of silicon (Si) in crops, including coffee, has become a common practice. The objective of this study was to assess the silicon uptake by coffee seedlings and its effects on plant growth, water and macro and micronutrient uptake. The research was conducted using nutrient solution in a greenhouse at the Departamento de Fitotecnia da Universidade Federal de Viçosa, in a completely randomized design with two treatments (with and without silicon) and three replications. Each plot consisted of three plants grown in a 800 mL vessel containing the treatment solutions. At every three days, water consumption, the concentration of OH -and the depletion of Si and K were assessed in the nutrient solutions. After 33 days, the plants were assessed with regard to their fresh and dry weight of leaves, roots and stem, shoot height and total length of the plant (shoot and root). Number of leaves and internodes, and the content and accumulation of silicon, macro, and micronutrients were also determined. The consumption of water, the amount of potassium uptake and, biomass accumulation were greater in plants grown in solution without silicon addition. However, the concentration of OH -in the solution and the amount of silicon uptake were greater in plants grown in solution with added silicon. Silicon accumulation was greater in leaves than in stem and roots. Silicon decreased coffee plant accumulation of phosphorus, potassium, calcium, zinc, copper and iron.

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Section: Nutrients Plant Partsmentioning

confidence: 90%

“…Responses in nutrient uptake changes for plants grown with Si have also been observed for dicotyledons such as moringa (Moringa oleifera Lam. ; Miranda et al, 2002) and potato (Pulz et al, 2008). Despite the acknowledged importance of the effects of Si on nutrient uptake, no alterations on coffee plants have been found yet.…”

Section: Introductionmentioning

confidence: 99%

Growth and nutrient uptake of coffee seedlings cultivated in nutrient solution with and without silicon addition

Cunha

Oliveira²,

Caballero

et al. 2012

Rev. Ceres

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“…Crusciol et al (2013) observed that soybean, bean and peanut yields increased with foliar application of silicic acid. In addition, the beneficial effects of the use of silicon in plants subjected to salt stress have been reported in the literature (Dai et al, 2005;Liang et al, 2006), as in Anacardium occidentale and Moringa oleifera (Miranda et al, 2002), Triticum aestivum L. (Tuna et al, 2008), Oriza sativa L. (Kraska and Breintenbeck, 2010) and Zea mays L. (Lima et al, 2011).…”

Section: Introductionmentioning

confidence: 97%

Nitrogen metabolism in sorghum under salinity and silicon treatments in Brazil

Luma¹,

Ellen²,

Risely³

et al. 2016

Afr. J. Agric. Res.

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The objective of the present research was to study nitrogen metabolism in sorghum plants subjected to salt stress and silicon concentration. The experiment was conducted at the Amazon Federal Rural University, Capitão Poço Decentralized Unit for 1 month, in 2013, using the cultivar BR 700 of forage sorghum plants (Sorghum bicolor [Moench.]). The experimental design was completely randomized, in a 5 × 3 factorial arrangement (0, 50, 100, 150 and 200 µM of silicon) and saline concentrations (0, 1.5 and 2.0 M), consisting of 4 replications. Analyses were conducted of amino acids, proteins, free ammonium, nitrate and nitrate reductase. Nitrate content increased in the leaves and root in the treatments 0 and 1.5 µM of Si, but decreased in treatments with the 0.5 and 1.0 µM doses of Si. In leaves and roots, the treatments 1.5 and 2.0 of SC caused reduction and increase, respectively, of ammonium levels. The silicon doses attenuated the negative effects of the treatments on the biochemical compounds caused by higher salt concentrations in sorghum plants.

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“…Dentre as quais, Algaroba (Prosopis juliflora (Sw) DC.) (Bradbury & Ahmad, 1990), moringa (Moringa oleífera Lam) (Miranda et al, 2002), cajueiro (Anacardium occidentale L.) (Miranda et al, 2010), arroz (Oriza sativa L.) (Kraska & Breitenbeck, 2010), milho (Zea mays L.) (Lima et al, 2011) e trigo (Triticum aestivum L.) (Tuna et al, 2008) O experimento foi conduzido no delineamento inteiramente casualizado, com quatro repetições, em esquema fatorial com duas cultivares de alface (Great Lakes 659 e Lucy Brown) e seis concentrações combinadas de SiO2 e NaCl (0,0 mM de SiO2 e de NaCl; 6,0 mM de SiO2 + 0,0 de NaCl; 0,0 de SiO2 + 150 mM de NaCl; 6,0 mM SiO2 + 150 mM NaCl; 0,0 de SiO2 + 200 mM de NaCl; 6,0 mM SiO 2 + 200 mM NaCl). Das cultivares utilizadas, comprovou-se experimentalmente (dados ainda não publicados) que a Great Lakes 659 é sensível e a Lucy Brown tolerante ao estresse salino por NaCl na fase de crescimento inicial.…”

Section: Introductionunclassified

Silício Atenua Os Efeitos Do Estresse Salino Nas Fases Iniciais De Crescimento Da Alface?

Neto¹,

Guimarães²,

Sampaio³

et al. 2017

Anais Do IV Inovagri International Meeting - 2017

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RESUMO:Estudou-se o efeito atenuador do silício (Si) sobre o estresse salino nas fases iniciais de crescimento de plântulas de alface. O experimento foi realizado no Laboratório de análise de sementes da Universidade Federal do Ceará, no delineamento inteiramente casualizado, com quatro repetições, em esquema fatorial com duas cultivares de alface (Great Lakes 659 e Lucy Brown) e seis concentrações combinadas de SiO 2 e NaCl (0,0 mM de SiO2 e de NaCl; 6,0 mM de SiO 2 + 0,0 de NaCl; 0,0 de SiO2 + 150 mM de NaCl; 6,0 mM SiO2 + 150 mM NaCl; 0,0 de SiO2 + 200 mM de NaCl; 6,0 mM SiO2 + 200 mM NaCl). PALAVRAS-CHAVE:Lactuca sativa L., germinação, NaCl. SILICON ATTENUATES THE EFFECTS OF SALINE STRESS IN THE INITIAL PHASES OF LETTUCE GROWTH?SUMMARY: Was studied the Silicon (Si) as a reducer of saline stress in the initial phases of lettuce growth. The experiment was carried out at the Seed Analysis Laboratory of the Federal University of Ceará, in a completely randomized design with four replicates, in a factorial scheme with two lettuce cultivars (Great Lakes 659 and Lucy Brown) and six combined 1 Doutorando em Agronomia/Fitotecnia, UFC, Fortaleza -Ceará.

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Silício e cloreto de sódio na nutrição mineral e produção de matéria seca de plantas de moringa (Moringa oleifera Lam.)

Cited by 20 publications

References 25 publications

Growth and nutrient uptake of coffee seedlings cultivated in nutrient solution with and without silicon addition

Growth and nutrient uptake of coffee seedlings cultivated in nutrient solution with and without silicon addition

Nitrogen metabolism in sorghum under salinity and silicon treatments in Brazil

Silício Atenua Os Efeitos Do Estresse Salino Nas Fases Iniciais De Crescimento Da Alface?

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