Definition of antifeedant in English:



  • A naturally occurring substance in certain plants which adversely affects insects or other animals which eat them.

    • ‘From the seeds of the need tree, Aza-Direct is a repellant, antifeedant, growth regulator, and causes pests to become more susceptible to other insecticides.’
    • ‘The lack of persistence of the repellents and antifeedants, while not a serious problem for on-farm storage, significantly reduces their utility on field crops.’
    • ‘It offers detailed description of bioassay methods, treating all synthetic and natural antifeedants.’
    • ‘As an antifeedant, neem oil is so effective that in tests desert locusts, voracious herbivores, will starve to death before eating plants treated with neem oil.’
    • ‘In this study, we clarified that many natural dyes of plant origin act as antifeedants to varied carpet beetles.’
    • ‘He discusses species-specific bioassay procedures, modification of available antifeedants for use as insect control agents, and commercial applications.’
    • ‘It has since been labelled the most potent antifeedant known for the desert locust.’
    • ‘Compounds from many different chemical classes have been reported to act as insect antifeedants.’
    • ‘Withanolides, extracted from solanaceous plants belonging to the genera Withania, Acnistus, Physalis, Jaborosal and Datura, are reported as antifeedants.’
    • ‘Commercialization and the practical aspects of using antifeedants for pest control are not currently well developed, and many of the relevant limitations are highlighted.’


1960s: from anti- + feed + -ant.