Efficiency of Essential Oils and Isolated Compounds in the Management Ofplutella Xylostella, Spodoptera Eridania and Diaphania Hyalinata
SSRN Electronic Journal(2022)
Abstract
The use of essential oils and isolated compounds are promising in the management of vegetable pests. The objective of this work was to evaluate the efficiency essential oils of eucalyptus (Eucalyptus citriodora), rosemary (Rosmarinus officinalis), Salvia (Salvia sclarea), basil (Ocimum canum), citronella (Cymbopogon winterianus), ginger (Zingiber officinale Roscoe) and isolated compounds eugenol and d- limonene in management of Diaphania hyalinata, Spodoptera eridania and Plutella xylostella. The isolated oils and compounds were applied to 2nd and 4th instar caterpillars of the pests, in the action modes contact and ingestion. Each treatment consisted of six replicates and mortality was assessed after 72 h. The experiments were performed twice for greater data reliability. The design used was a completely randomized double factorial design (products x exposure routes). The results revealed that the isolated compound eugenol stood out, presenting an effect in the direct exposure on caterpillars and in the exposure via food, the isolated compound d-limonene stood out, presenting mortality for all instars and pests tested, except for the 4th instar of S. eridania. Thus, the essential oils and isolated compounds tested represent valuable tools with potential for integration in the management of vegetable pests.
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Key words
management ofplutella xylostella,essential oils,spodoptera eridania,isolated compounds
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