2015
DOI: 10.5039/agraria.v10i3a3573
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Atividade inseticida do óleo de mamona sobre Diaphania nitidalis (Stoll) (Lepidoptera: Pyralidae)

Abstract: A broca-das-cucurbitáceas, Diaphania nitidalis (Stoll) (Lepidoptera: Pyralidae), é uma praga de considerável importância econômica, pois ataca todas as partes vegetativas e reprodutivas, inclusive os frutos das cucurbitáceas. Dessa forma, este trabalho teve como objetivo avaliar a atividade inseticida de emulsões de Ricinus communis L. (mamona) sobre lagartas de D. nitidalis. Nos experimentos foi utilizado o óleo de sementes de R. communis em emulsões nas concentrações de 1; 2; 3; 4 e 5% (v/v). As pulverizaçõe… Show more

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Cited by 2 publications
(2 citation statements)
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“…Castor oil contributed to the covering of the spiracles of Diaphania nitidalis caterpillars on pumpkin leaves treated with this oil, causing asphyxiation and consequently the death of the caterpillars (Lima et al, 2015). Some researchers have reported insect asphyxiation due to the blockage of spiracles as the main mode of action of mineral oils and, in some cases, as in the present research, of vegetable oils (Stadler and Buteler, 2009;Egwurube et al, 2010;Buteler and Stadler, 2011).…”
Section: Treatmentssupporting
confidence: 58%
“…Castor oil contributed to the covering of the spiracles of Diaphania nitidalis caterpillars on pumpkin leaves treated with this oil, causing asphyxiation and consequently the death of the caterpillars (Lima et al, 2015). Some researchers have reported insect asphyxiation due to the blockage of spiracles as the main mode of action of mineral oils and, in some cases, as in the present research, of vegetable oils (Stadler and Buteler, 2009;Egwurube et al, 2010;Buteler and Stadler, 2011).…”
Section: Treatmentssupporting
confidence: 58%
“…Castor bean, Ricinus communis L. (Euphorbiaceae), is an important non-edible oilseed crop of value to the manufacturing industry [22], and its oil contains many bioactive compounds with a wide range of pharmaceutical properties [23]. Castor oil exhibits direct toxicity to the pickleworm, Diaphania nitidalis (Stoll) (Lepidoptera: Crambidae) [24], the diamondback moth, Plutella xylostella L. (Lepidoptera: Plutellidae) [25], and also inhibits reproduction in the cattle tick, Rhipicephalus microplus [26]. Volatiles from flowering R. communis plants are repellent to the whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) [27], and leaf extracts have shown insecticidal and oviposition deterrent activity against the bruchid beetle Callosobruchus chinensis (L.) (Coleoptera: Bruchidae) [28] and toxicity to the yellow sugarcane aphid, Sipha flava (Forbes) (Hemiptera: Aphididae) [29].…”
Section: Introductionmentioning
confidence: 99%