Autor(es): Alcantara-de la Cruz, Ricardo ; Zanuncio, Jose Cola ; Lacerda, Mabio Chrisley ; Wilcken, Carlos Frederico [UNESP] ; Fernandes, Flavio Lemes ; Tavares, Wagner de Souza ; Soares, Marcus Alvarenga ; Sediyama, Carlos Sigueyuki
Data: 2018
Identificador Persistente: http://hdl.handle.net/11449/163167
Origem: Oasisbr
Made available in DSpace on 2018-11-26T17:40:22Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-08-30
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG)
Programa Cooperativo sobre Protecao Florestal/PROTEF do Instituto de Pesquisas e Estudos Florestais/IPEF
New plant protection strategies focus on minimizing chemical pesticide use and increasing their compatibility with biological control agents. The objective was to evaluate the side-effects of glyphosate, diflubenzuron, malathion, tebuconazole and triflumuron (at 720, 45, 400, 150 and 20 g ai ha(-1), respectively), pesticides authorized for soybean crops in Brazil, on the parasitoid Palmistichus elaeisis (Hymenoptera: Eulophidae) reared on Anticarsia gemmatalis (Lepidoptera: Noctuidae). The emergence and female numbers produced per P. elaeisis female were higher in A. gemmatalis pupae from caterpillars fed an artificial diet treated with glyphosate. However, emergence was lower than 50% when the caterpillars were fed on soybean leaves treated with glyphosate offered ad libitum (3-5 times). Palmistichus elaeisis died before parasiting A. gemmatalis pupae treated with malathion. Diflubenzuron reduced the P. elaesis sex ratio in the second generation. Tebuconazole and triflumuron did not cause side-effects on this parasitoid. A continuous exposure to glyphosate by the host may lead to side-effects on P. elaeisis emergence, but its moderate use is acceptable for this parasitoid. Diflubenzuron had severe transgenerational side-effects. Tebuconazole fungicide and triflumuron insecticide are compatible with P. elaeisis in sustainable integrated pest management (IPM) programs, while malathion can not be included in them.
Univ Fed Vicosa, BIOAGRO, Dept Entomol, BR-36570900 Vicosa, MG, Brazil
Empresa Brasileira Pesquisa Agr, Embrapa Arroz & Feijao, BR-75375000 Santo Antonio De Goias, Brazil
Univ Estadual Paulista, Dept Protecao Vegetal, BR-18610307 Botucatu, SP, Brazil
Univ Fed Vicosa, Inst Ciencias Agr, BR-38810000 Rio Paranaiba, Brazil
Univ Fed Vicosa, Dept Fitotecnia, BR-36570900 Vicosa, MG, Brazil
Univ Fed Vales Jequitinhonha & Mucuri, Dept Agron, BR-39100000 Diamantina, Brazil
Univ Estadual Paulista, Dept Protecao Vegetal, BR-18610307 Botucatu, SP, Brazil
