Indole-diterpenoids from an endophytic Penicillium brefeldianum F4a and their antifeedant and insecticidal activities against Spodoptera frugiperda
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Background: Spodoptera frugiperda (Lepidoptera: Noctuidae) is one of the world's major agriculture pests, causing significant crop damage and serious economic losses. As S. frugiperda has developed widespread resistance, environ... ...