El noctuido Spodoptera frugiperda Smith es una de las principales plagas del maíz en Brasil. El uso de insecticidas químicos para el control de la especie puede ocasionar diversos daños al ecosistema, por lo que es de gran ...

Four new meroterpene derivatives have been isolated in a bioassay- guided study of the methanol extract of the leaves of Psoralea glandulosa, in addition to the known compounds bakuchiol and angelicin. Structures for the ...

The resin extract from leaves and stems of Flourensia thurifera displayed high levels of activity in the brine shrimp (Artemia salina) and antifeedant disk-choice (Spodoptera littoralis) bioassays. A bioassay-guided ...

Seven new diterpenoids, a labdane, three isopimarenes and three rearranged isopimarenes, have been isolated from the flowering tops of Satureja gilliesii. Their structures are based on their spectroscopic properties and, ...

A bioassay was developed to evaluate effects on Choristoneura rosaceana (Harris), Pandemis pyrusana Kearfott, and Cydia pomonella (L.), males exposed to an attracticide loaded with 6% permethrin and aged under field ...