The essential oils of cedar (Cedrus deodaraRoxh.) and neem tree (Azadirachta indicaA. Juss.), powder from bulbs of garlic (Allium sativumLinn.), and the oleoresin extracted from rhizomes of ginger (Zingiber officinaleRose.) were mixed in different combinations to test the collective toxicity against the snailLymnaea (Radix) acuminataLamark. A mixture of cedar and neem oils were most toxic toLymnaea acuminataof the combinations tested. Combinations of neem oil with ginger oleoresin or garlic bulb powder was more toxic than the individual components.
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