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JACI MENDES VIEIRA1, RANYSE B. QUERINO2, FERNANDO L. CÔNSOLI1 & ROBERTO A. ZUCCHI1 1Departamento de Entomologia e Acarologia, ESALQ, Universidade de São Paulo, Caixa Postal 9, 13418-900 Piracicaba, SP, Brazil. E-mail: [email protected]; [email protected]; [email protected] 2Empresa Brasileira de Pesquisa Agropecuária, Embrapa Meio-Norte, 64006-220 Teresina, Piauí, Brazil. E-mail: ranyse.silv...

The aim of this study was to evaluate the effects agrochemicals registered for soybean on parasitoid Trichogramma pretiosum in immature stages. Bioassays were conducted laboratory by exposing eggs parasited, using methods proposed International Organization Biological and Integrated Control Noxious Animals Plants (IOBC). experimental design completely randomized with eight replicates per treatm...

ectomyelois ceratoniae zeller (lepidoptera.: pyralidae), is the key pest of pomegranate in iran. trichogramma wasps could be used as effective agents of biological control that can also be used effectively in ipm programs. the effect of host density on parasitism of trichogramma brassicae was studied by exposing densities of 4, 8, 10, 20, 40, 60, 80 and 120 eggs of factitious host (sitotroga ce...

Abstract Spodoptera frugiperda is a newly discovered pest in Indonesia. S. attacks can cause crop failure and significant losses. As preventive control measure, research was conducted to determine the most effective parasitoid controlling . This used egg parasitoids ( Telenomus remus Trichogramma chilotraeae) larval Microplitis manilae ). done by exposing 50 eggs of each ten larvae M. Ten repli...

5 to 10 days. At the end of that time it was noticed that in every case the plants containing the liver extract in solution were distinctly greener than the controls without the liver extract. Some factor in the liver extract has apparently checked the destruction of the chlorophyll; this destruction of chlorophyll goes on constantly, but in the daylight the pigment is constructed as fast as it...