2013
DOI: 10.1590/s0100-29452013000400017
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Desenvolvimento e fitossanidade de ameixeiras tratadas com silício em sistema orgânico

Abstract: RESUMO -O objetivo deste trabalho foi avaliar o efeito do silício (Si) aplicado via pulverização foliar em ameixeiras cv. Pluma 7, para o controle da bacteriose (Xanthomonas arborícola pv. pruni), mariposa oriental (Grapholita molesta) e pulgão-verde (Myzus persicae), bem como no desenvolvimento das plantas, em sistema orgânico de produção. Para o ensaio, foi utilizado o produto comercial AgriSil ® (98% de SiO 2 ). O experimento foi conduzido em Guarapuava-PR, durante dois ciclos consecutivos (2010/2011 e 2011… Show more

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Cited by 6 publications
(4 citation statements)
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“…Different results were obtained in canola by Bybordi (2010), solution did not affect the growth of the papaya plants with or without NH 4 + toxicity. A similar result was observed by Ferreira et al (2013) for plum trees, in which Si did not promote the growth of the plants. The low importance of Si for papaya plants was possibly because the plant is not accumulative of the element, a classification that covers most dicotyledons (Hodson et al, 2005).…”
Section: Effect Of Nh 4 + On Cations and Silicon Accumulationsupporting
confidence: 85%
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“…Different results were obtained in canola by Bybordi (2010), solution did not affect the growth of the papaya plants with or without NH 4 + toxicity. A similar result was observed by Ferreira et al (2013) for plum trees, in which Si did not promote the growth of the plants. The low importance of Si for papaya plants was possibly because the plant is not accumulative of the element, a classification that covers most dicotyledons (Hodson et al, 2005).…”
Section: Effect Of Nh 4 + On Cations and Silicon Accumulationsupporting
confidence: 85%
“…This situation did not occur in the present study, since an adequate concentration of K was used in the nutritive solution. Recent studies have indicated that NH 4 + excess caused toxicity and ion imbalance in different species, such as wheat (Britto et al, 2001;Szczerba et al, 2008), plum trees (Ferreira et al, 2013), tomato (Von Wiren et al, 2000;Barreto et al, 2016), cauliflower and broccoli (Barreto et al, 2017), radish (Olivera et al, 2017, and more recently in sugar beet (Viciedo et al, 2019).…”
Section: Effect Of Nh 4 + On Cations and Silicon Accumulationmentioning
confidence: 99%
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“…Os resultados apresentados estão de acordo Almeida et al (2003) que reportaram teores de sílica entre 0,05 a 0,65 g kg -¹ para a espécie e, em outras nove espécies medicinais, os teores foram entre 0,05 a 0,62 g kg -¹, estes valores são considerados baixos. Para a adubação silicatada de algodão infestado por Ramularia areola, fungo patogênico, e ameixa infestada com bacterioses, houve redução da infestação a medida que aumentou o acúmulo de Si nas folhas (Curvêlo et al, 2013;Ferreira et al, 2013). Não obstante, o silício tem esta função de melhorar a resitência à doenças e diminuir a severidade do ataque de microrganismos (Schleier et al, 2014), conferindo às plantas melhor capacidade fotossintética tornando-as mais vigorosas com melhoria no rendimento de massa seca (Sá et al, 2015).…”
Section: /9unclassified