Silicato de potássio na proteção do cafeeiro contra Cercospora coffeicola

Amaral, Daniel Rufino; Resende, Mário Lúcio Vilela de; Júnior, Pedro Martins Ribeiro; Borel, Jerônimo Constantino; Leod, Rodrigo E.O. Mac; Pádua, Moisés A.

doi:10.1590/s1982-56762008000600004

Cited by 13 publications

(9 citation statements)

References 24 publications

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“…tritici in wheat (Belanger et al, 2003) and control of Erysiphe graminis in barley (Carver et al, 1987). Then, promising results in reducing disease intensity were found in various pathosystems, also in dicots, including Cercospora leaf spot and rust in coffee (Pozza et al, 2004;Botelho et al, 2005;Amaral et al, 2008;CarreMissio et al, 2014), pestalotiopsis leaf spot and powdery mildew in strawberry (Palmer et al, 2006;Kanto et al, 2006;Kanto et al, 2007;Carré-Missio et al, 2010), powdery mildew in melon, squash and cucumber Samuels et al, 1991), rust in soybean Lima et al, 2010), anthracnose in common-bean and sorghum (Moraes et al, 2009;Polanco et al, 2012;Resende et al, 2013) and root rot in tomato and avocado (Heine et al, 2007;Bekker et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Silicon in plant disease control

Pozza

Botelho

2015

Rev. Ceres

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RESUMOSubmitted on 07/20/2014 and aproved on 11/30/2014. 1 Universidade Federal de Lavras, Departamento de Fitopatologia, Lavras, Minas Gerais, Brasil. edsonpozza@gmail.com; deilamagna@hotmail.com 2 Universidade Federal de Lavras, Departamento de Ciência do Solo, Lavras, Minas Gerais, Brasil. adelia.pozza@dcs.ufla.br *Autor para correspondência: edsonpozza@gmail.com Revisão de Literatura Silicon in plant disease controlAll essential nutrients can affect the incidence and severity of plant diseases. Although silicon (Si) is not considered as an essential nutrient for plants, it stands out for its potential to decrease disease intensity in many crops. The mechanism of Si action in plant resistance is still unclear. Si deposition in plant cell walls raised the hypothesis of a possible physical barrier to pathogen penetration. However, the increased activity of phenolic compounds, polyphenol oxidases and peroxidases in plants treated with Si demonstrates the involvement of this element in the induction of plant defense responses. The studies examined in this review address the role of Si in disease control and the possible mechanisms involved in the mode of Si action in disease resistance in plants.Key words: Management, plant diseases, resistance barriers, soil fertility, resistyance inducers. O Silício no controle de doenças de plantasTodos os nutrientes essenciais podem influenciar a incidência e a severidade das doenças de plantas. O silício (Si), embora não seja considerado nutriente essencial para plantas, destaca-se por seu potencial para diminuir a intensidade de doenças em várias culturas. O mecanismo de ação do Si na resistência de plantas ainda não está totalmente esclarecido. A forma de deposição do Si na parede celular de plantas gerou a hipótese de uma possível barreira física, dificultando a penetração do patógeno. No entanto, o aumento da atividade de compostos fenólicos, polifenoloxidases e peroxidases em plantas tratadas com Si demonstra o envolvimento deste elemento na indução de reações de defesa da planta. A presente revisão visa abordar o papel do Si no controle de doenças e os possíveis mecanismos envolvidos no modo de ação do Si na resistência de plantas às doenças.Palavras-chave: Manejo, doenças de plantas, barreiras de resistência, fertilidade do solo, indutores de resistência. 324Edson Ampélio Pozza et al.

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Section: Introductionmentioning

confidence: 99%

Silicon in plant disease control

Pozza

Botelho

2015

Rev. Ceres

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“…This element is absorbed by the plant in the form of monosilicic acid (H 4 SiO 4 ) along with water (mass flow) and accumulates mainly in the maximum perspiration areas as polymerized silicic acid. It promotes the effective control of plant diseases (Amaral et al, 2008;Guével et al, 2007;Pozza et al, 2009) and has been associated with reduced effects of harmful chemical and physical agents (Zhu et al, 2004, Ma & Yamaji, 2006. The benefits of Si can be observed in the growth and production of many grasses such as rice, oats and maize (Wang et al, 2004, Hossain et al, 2007Zanão Júnior et al, 2009) and in some species that are not grass, such as tomatoes and lettuce (Lana et al 2003;Resende et al, 2005).…”

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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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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“…The species V. x wittrockiana showed 15% more protein when, considering the maximum species production ( Figure 1F). Amaral et al (2008) working with silicate in coffee, observed that plants sprayed with the product showed a significant increase in peroxidase activity (pathogenesisrelated protein) at five days after spraying when compared to the activity of this enzyme in control plants.…”

Section: Proteinmentioning

confidence: 99%

“…Many authors report that Si fertilization provides an 2005; Amaral et al, 2008), soybean (Moraes, 2009), potato (Gomes, 2005;Gomes et al, 2008), rice (Fleck et al, 2011;Suzuki et al, 2012) and orchid (Mantovani et al, 2018). On onion.…”

Section: Introductionmentioning

confidence: 99%

Effect of silicon on protein and lignin contents of two annual flower species

2019

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The beneficial effect of silicon on plants is known, but there are no studies demonstrating the effect of this element on protein and lignin production in ornamental plants. This study aimed to assess the effects of monosilicic acid fertigation at 0, 2, 4, and 8 mmol L-1 of Si on protein and lignin production of two ornamental species: Viola x wittrockiana Gams ex Nauenb. & Buttler ‘Majestic Giants II Fire’ e Tagetes erecta L. ‘Hero’ (color mix). The experiment was installed in a 4 × 2 factorial arrangement using a completely randomized design with five replications. After 90 days of the sowing, we assessed N and Si contents in shoot system, Si accumulation in shoot system, root, and total, and lignin and protein production. An increase in lignin followed by its reduction was observed from the concentration of 2.0 (4.29) and 4.3 (5.72) mmol L-1 of Si for Viola and Tagetes species, respectively. Silicon application promoted higher lignin content in T. erecta and V. x wittrockiana.

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Silicato de potássio na proteção do cafeeiro contra Cercospora coffeicola

Cited by 13 publications

References 24 publications

Silicon in plant disease control

Silicon in plant disease control

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

Effect of silicon on protein and lignin contents of two annual flower species

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