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In this study, the bioactivities of the essential oil of Chenopodium ambrosioides L. and its two main components, α-terpinene and p-cymene, were evaluated against the diamondback moth (DBM), Plutella xylostella (L.). The contact and fumigant toxicity of the essential oil significantly decreased as the DBM larval instar increased. The essential oil had 30-fold more potent toxicity against third-instar...
Rice–duck farming (RDF), a form of organic farming, has been widely adopted in rice production in East Asia. In RDF, it is believed that ducks can control weeds effectively. Since the weed seed bank determines the weed community in the following crop, a better understanding of the seed bank could provide useful insights into the long-term effects of RDF adopted for weed control. Nine consecutive years'...
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