A Review on the Mode of Action and Current Use of Petroleum Distilled Spray Oils

Buteler, Micaela; Stadler, Teodoro

doi:10.5772/20394

Cited by 30 publications

(34 citation statements)

References 61 publications

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“…O óleo de mamona pode ter contribuído para o recobrimento dos espiráculos, causando asfixia e consequentemente a morte das lagartas de D. nitidalis. Esta asfixia do inseto devido ao bloqueio dos espiráculos tem sido relatado por alguns pesquisadores como o principal modo de ação de óleos minerais e, em alguns casos, de óleos vegetais (Stadler & Buteler, 2009;Egwurube et al, 2010;Buteler & Stadler, 2011).…”

Section: Resultsunclassified

Atividade inseticida do óleo de mamona sobre Diaphania nitidalis (Stoll) (Lepidoptera: Pyralidae)

Lima

Celestino

Pratissoli

et al. 2015

Agraria

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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 pulverizações foram realizadas de duas formas: (i) aplicação sobre o alimento (folhas de abóbora) das lagartas e (ii) aplicação sobre lagartas de segundo ínstar. As avaliações foram realizadas 24, 48 e 72 h após a aplicação das emulsões. O delineamento utilizado foi inteiramente ao acaso, com cinco repetições no esquema fatorial triplo (duas vias de aplicação x três tempos de avaliação x cinco concentrações). O óleo de mamona atua por ingestão e por contato, sendo que o tempo de exposição à emulsão e a concentração da emulsão interferem no aumento da mortalidade das lagartas de D. nitidalis. A via de aplicação por ingestão apresentou maior mortalidade. A concentração de 1% foi suficiente para causar mortalidade de 92% das lagartas de D. nitidalis, após 48 h. Palavras-chave: aplicação por contato, aplicação por ingestão, broca-das-cucurbitáceas, Ricinus communis, toxicidade Insecticidal activity of castor oil on Diaphania nitidalis (Stoll)

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Section: Resultsunclassified

Atividade inseticida do óleo de mamona sobre Diaphania nitidalis (Stoll) (Lepidoptera: Pyralidae)

Lima

Celestino

Pratissoli

et al. 2015

Agraria

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“…The cause for mortality (and its differences between populations) in the control vials might be the isoparaffinic oils used in the spore and control solutions. These oils have been shown to have insecticidal properties [ 45 ] and may pose a stress even in the absence of spores. Contrary to what has been reported previously [ 15 ], in our experiments temperate populations performed better than tropical ones, showing lower mortality both in infection and control treatments.…”

Section: Discussionmentioning

confidence: 99%

Survival Rate and Transcriptional Response upon Infection with the Generalist Parasite Beauveria bassiana in a World-Wide Sample of Drosophila melanogaster

et al. 2015

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The ability to cope with infection by a parasite is one of the major challenges for any host species and is a major driver of evolution. Parasite pressure differs between habitats. It is thought to be higher in tropical regions compared to temporal ones. We infected Drosophila melanogaster from two tropical (Malaysia and Zimbabwe) and two temperate populations (the Netherlands and North Carolina) with the generalist entomopathogenic fungus Beauveria bassiana to examine if adaptation to local parasite pressures led to differences in resistance. Contrary to previous findings we observed increased survival in temperate populations. This, however, is not due to increased resistance to infection per se, but rather the consequence of a higher general vigor of the temperate populations. We also assessed transcriptional response to infection within these flies eight and 24 hours after infection. Only few genes were induced at the earlier time point, most of which are involved in detoxification. In contrast, we identified more than 4,000 genes that changed their expression state after 24 hours. This response was generally conserved over all populations with only few genes being uniquely regulated in the temperate populations. We furthermore found that the American population was transcriptionally highly diverged from all other populations concerning basal levels of gene expression. This was particularly true for stress and immune response genes, which might be the genetic basis for their elevated vigor.

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“…The mode of action was long supposed to be due to suffocation by blocking spiracles and tracheas of insects [ 39 ]. However, recent studies indicate more complicated effects on the integument, nervous and respiratory system of insects [ 40 ]. In addition, oil products can influence insect behavior acting as repellent, oviposition deterrent, or as physical barrier [ 28 , 29 , 30 , 33 ].…”

Section: Discussionmentioning

confidence: 99%

Rhagoletis cerasi: Oviposition Reduction Effects of Oil Products

Daniel

2014

Insects

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The European cherry fruit fly, Rhagoletis cerasi (L.) (Diptera: Tephritidae), is a highly destructive pest. Methods to control it are limited and alternatives are needed. Observations of cherry fruit flies suggest that females exert much effort to penetrate cherries at color change stage (from green to yellow) for oviposition. Therefore, the question arose as to whether a physical barrier on the fruit surface could reduce oviposition. The effects of different commercial horticultural oil products on R. cerasi oviposition were evaluated in a series of laboratory, semi-field and field experiments. In the laboratory experiments, the rate of successful oviposition on fruits treated with 0.25% v/v of the rapeseed oil product Telmion was significantly reduced by 90% compared to the untreated control. In semi-field experiments, deposits of 1% of rapeseed, mineral and paraffinic oil significantly reduced oviposition for up to 3 days. Semi-field experiments indicated that the oil products lose efficacy within 3 to 6 days after application due to degradation. Although treatments with the rapeseed oil product Telmion reduced infestation rates in an on-farm field experiment, the infested fruit clearly exceeded the level of market tolerance of 2%. Further research is needed to assess whether combinations of oil products, higher application rates and different formulations might improve field efficacy.

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A Review on the Mode of Action and Current Use of Petroleum Distilled Spray Oils

Cited by 30 publications

References 61 publications

Atividade inseticida do óleo de mamona sobre Diaphania nitidalis (Stoll) (Lepidoptera: Pyralidae)

Atividade inseticida do óleo de mamona sobre Diaphania nitidalis (Stoll) (Lepidoptera: Pyralidae)

Survival Rate and Transcriptional Response upon Infection with the Generalist Parasite Beauveria bassiana in a World-Wide Sample of Drosophila melanogaster

Rhagoletis cerasi: Oviposition Reduction Effects of Oil Products

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