Número Mínimo De Armadilhas De Möricke Em Amostragem De Himenópteros Parasitóides Na Cultura Da Soja Glycine Max (L.) Merrill

Lara, Rogéria Inês Rosa; Perioto, Nelson Wanderley; Ramiro, Z. A.

doi:10.1590/1808-1657v76p0552009

Cited by 4 publications

(2 citation statements)

References 6 publications

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“…O produto acetamiprido, apresentou um efeito de mortalidade total sobre a mosca minadora de 70%, verificando-se uma maior taxa de mortalidade à medida que as larvas se alimentavam do mesofilo foliar. Os neonicotinoides são uma classe de inseticidas que atuam no sistema nervoso central dos insetos (MARÇON, 2011), estes têm sido alvo de inúmeras pesquisas, relacionadas ao controle de pragas agrícolas (SCARPELLINI et al, 2002;NONDILLO et al, 2007;ARIOLI et al, 2007;TORRES;SILVA-TORRES, 2008;FONSECA et al, 2011;LEITE et al, 2012), inclusive da mosca minadora, como no trabalho realizado por Lara et al (2002), que avaliaram o efeito do tiametoxam sobre L. huidobrensis na cultura da batata e relataram que esse inseticida, na menor dosagem utilizada (100 g/ha), foi eficiente no controle da referida praga.…”

Section: Resultsunclassified

“…Desta maneira, torna-se imprescindível a utilização de estratégias que visem o controle da praga, assegurando o potencial produtivo e a qualidade dos frutos do meloeiro. Dentre as medidas adotadas para o manejo da mosca minadora, o uso de inseticidas, é uma das mais utilizadas, sendo relatado em vários trabalhos a eficiência de produtos como abamectina, ciromazina e tiametoxam no controle de espécies do gênero Liriomyza, em varias culturas de importância econômica (HARA, 1986;WEINTRAUB, 1999WEINTRAUB, e 2001LARA et al, 2002;CIVELEK;WEINTRAUB, 2003).…”

Section: Introducãounclassified

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Efeito De Inseticidas Sobre a Mosca Minadora (Diptera:agromyzidae), Quando Aplicados Durante a Fase De Ovo

Araújo¹,

Costa

Filho³

et al. 2012

AGROPECUÁRIA NO SEMIÁRIDO

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O objetivo do trabalho foi avaliar, em condições de laboratório, o efeito de inseticidas sobre a mosca minadora Liriomyza sativae (Diptera: Agromyzidae) quando aplicados durante a fase de ovo da praga, em plantas de meloeiro. Os inseticidas avaliados e as respectivas dosagens foram: abamectina (0,018 g.i.a./L), clorfenapir (0,240 g.i.a./L), espinosade (0,192 g.i.a./L) e acetamiprido (0,060 g.i.a./L). Como tratamento controle utilizou-se água destilada. O delineamento experimental utilizado foi o inteiramente casualizado (DIC), composto por cinco tratamentos (inseticidas e testemunha) e quatro repetições (plantas). As avaliações foram divididas em duas etapas, na primeira se observou a presença de larvas nas folhas, e posteriormente contabilizou-se o número de larvas vivas e mortas. Na segunda etapa de avaliação foi calculada a viabilidade dos pupários oriundos das larvas que sobreviveram, sendo registrado o número de adultos emergidos. Os inseticidas abamectina, espinosade e clorfenapir apresentaram os maiores índices de mortalidade da mosca minadora.

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Section: Resultsunclassified

Section: Introducãounclassified

Efeito De Inseticidas Sobre a Mosca Minadora (Diptera:agromyzidae), Quando Aplicados Durante a Fase De Ovo

Araújo¹,

Costa

Filho³

et al. 2012

AGROPECUÁRIA NO SEMIÁRIDO

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Impact of transgenic soybean expressing Cry1Ac and Cry1F proteins on the non-target arthropod community associated with soybean in Brazil

Marques¹,

Santos²,

Castro³

et al. 2018

PLoS ONE

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Field-scale studies that examine the potential for adverse effects of Bt crop technology on non-target arthropods may supplement data from laboratory studies to support an environmental risk assessment. A three year field study was conducted in Brazil to evaluate potential for adverse effects of cultivating soybean event DAS-81419-2 that produces the Cry1Ac and Cry1F proteins. To do so, we examined the diversity and abundance of non-target arthropods (NTAs) in Bt soybean in comparison with its non-Bt near isoline, with and without conventional insecticide applications, in three Brazilian soybean producing regions. Non-target arthropod abundance was surveyed using Moericke traps (yellow pan) and pitfall trapping. Total abundance (N), richness (S), Shannon-Wiener (H’), Simpson’s (D) and Pielou’s evenness (J) values for arthropod samples were calculated for each treatment and sampling period (soybean growth stages). A faunistic analysis was used to select the most representative NTAs which were used to describe the NTA community structure associated with soybean, and to test for effects due to the treatments effects via application of the Principal Response Curve (PRC) method. Across all years and sites, a total of 254,054 individuals from 190 taxa were collected by Moericke traps, while 29,813 individuals from 100 taxa were collected using pitfall traps. Across sites and sampling dates, the abundance and diversity measurements of representative NTAs were not significantly affected by Bt soybean as compared with non-sprayed non-Bt soybean. Similarly, community analyses and repeated measures ANOVA, when applicable, indicated that neither Bt soybean nor insecticide sprays altered the structure of the NTA communities under study. These results support the conclusion that transgenic soybean event DAS-81419-2 producing Cry1Ac and Cry1F toxins does not adversely affect the NTA community associated with soybean.

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Field efficacy of Bt cotton containing events DAS-21023-5 × DAS-24236-5 × SYN-IR102-7 against lepidopteran pests and impact on the non-target arthropod community in Brazil

Marques¹,

Lepping

Castro

et al. 2021

PLoS ONE

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The efficacy and non-target arthropod effects of transgenic DAS-21023-5 × DAS-24236-5 × SYN-IR102-7 Bt cotton, expressing proteins Cry1Ac, Cry1F and Vip3Aa19, was examined through field trials in Brazil. Fifteen field efficacy experiments were conducted from 2014 through the 2020 growing season across six different states in Brazil to evaluate performance against key lepidopteran pests through artificial infestations of Chrysodeixis includens (Walker), Spodoptera frugiperda (J.E. Smith,1797), Spodoptera cosmioides (Walker, 1858) and Chloridea virescens (F., 1781), and natural infestations of Alabama argillacea (Hübner) and S. frugiperda. The impact of this Bt cotton technology on the non-target arthropod community in Brazilian cotton production systems was also assessed in a multi-site experiment. DAS-21023-5 × DAS-24236-5 × SYN-IR102-7 cotton significantly reduced the feeding damage caused by S. frugiperda, S. cosmioides, C. includens, C. virescens and A. argillacea, causing high levels of mortality (greater than 99%) to all target lepidopteran pests evaluated during vegetative and/or reproductive stages of crop development. Non-target arthropod community-level analyses confirmed no unintended effects on the arthropod groups monitored. These results demonstrate the value of transgenic Bt cotton containing event DAS-21023-5 × DAS-24236-5 × SYN-IR102-7 for consideration as part of an integrated approach for managing key lepidopteran pests in Brazilian cotton production systems.

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Número Mínimo De Armadilhas De Möricke Em Amostragem De Himenópteros Parasitóides Na Cultura Da Soja Glycine Max (L.) Merrill

Cited by 4 publications

References 6 publications

Efeito De Inseticidas Sobre a Mosca Minadora (Diptera:agromyzidae), Quando Aplicados Durante a Fase De Ovo

Efeito De Inseticidas Sobre a Mosca Minadora (Diptera:agromyzidae), Quando Aplicados Durante a Fase De Ovo

Impact of transgenic soybean expressing Cry1Ac and Cry1F proteins on the non-target arthropod community associated with soybean in Brazil

Field efficacy of Bt cotton containing events DAS-21023-5 × DAS-24236-5 × SYN-IR102-7 against lepidopteran pests and impact on the non-target arthropod community in Brazil

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