Navegação Artigos de Periódicos por Assunto "Bacillus thuringiensis"
Resultados 1-4 de 4
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Detection of cry1 genes in Bacillus thuringiensis isolates from South of Brazil and activity against Anticarsia gemmatalis (Lepidoptera: Noctuidae)
(2001) [Artigo de periódico]The bacterium Bacillus thuringiensis (Bt) is characterized by its ability to produce proteic crystalline inclusions during sporulation. Cry1 protein has insecticidal activity and is highly specific to certain insects and ... -
Effectiveness of Bacillus thuringiensis strains against Spodoptera frugiperda (Lepidoptera: Noctuidae)
(2000) [Artigo de periódico]The fall armyworm (Spodoptera frugiperda) is one of the most important pests of maize, causing up to 20% production losses when defoliation occurs near to flowering, or even complete destruction of plants. Among the ... -
Genes de Bacillus thuringiensis : uma estratégia para conferir resistência a insetos em plantas
(2003) [Artigo de periódico]Os insetos constituem uma das principais causas de danos à produção agrícola no mundo. O controle de insetos tem sido realizado por meio de agroquímicos e, em muito menor escala, pelo emprego de inseticidas biológicos. As ... -
Impact of water renewal on the residual effect of larvicides in the control of Aedes aegypti
(2010) [Artigo de periódico]This study was carried out to evaluate the residual effect of three larvicides under laboratory conditions for 100 days in Aedes aegypti. The larval mortality rate was measured without water renewal or with daily water ...