2005
DOI: 10.1590/s1413-70542005000400007
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Feeding non-preference of the corn leaf aphid Rhopalosiphum maidis (Fitch, 1856) (Hemiptera: Aphididae) to corn plants (Zea mays L.) treated with silicon

Abstract: A tactic for control to corn leaf Rhopalosiphum maidis (Fitch, 1856) would be the use of resistant materials, but, for not being a key pest of the crop, there are not yet corn genotypes availables with those characteristics. So, it was aimed in this work to evaluate the effect of silicon on the aphid's development on corn plants. Preference tests with leaves detached from the plants and on corn plants were accomplished. Its was found that the treatments where silicon was applied to the soil plus a foliar spra… Show more

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Cited by 52 publications
(47 citation statements)
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“…Entretanto, em Poaceas, na qual ocorre deposição de sílica formando uma dupla camada de sílica, mecanismos de não-preferência foram observados para diferentes espécies de pulgões em plantas de milho, Pinus sp. e trigo (CAMARGO et al, 2008;COSTA et al, 2007;MORAES et al, 2005).…”
Section: Resultsunclassified
“…Entretanto, em Poaceas, na qual ocorre deposição de sílica formando uma dupla camada de sílica, mecanismos de não-preferência foram observados para diferentes espécies de pulgões em plantas de milho, Pinus sp. e trigo (CAMARGO et al, 2008;COSTA et al, 2007;MORAES et al, 2005).…”
Section: Resultsunclassified
“…A não preferência de T. aurantii por este genótipo pode estar relacionada com os altos níveis constitutivos de compostos fenólicos encontrados nas suas folhas (Nojosa et al, 2003) ou ser devida à formação da camada protetora na cutícula foliar, conferida pela aplicação de silicato de potássio (Menzies et al, 1992). Moraes et al (2005) …”
Section: Teste De Preferência Com Chance De Livre Escolhaunclassified
“…In corn plants, for example, the increase in the content of this element makes them more resistant to attack by Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), and by the aphid Rhopalosiphum maidis (Fitch) (Hemiptera: Aphididae) (Goussain et al, 2002;Moraes et al, 2005), besides reducing transpiration rate (Gao et al, 2006), resulting in better use of water.…”
Section: Introductionmentioning
confidence: 99%