Definition of pesticidal in English:

pesticidal

adjective

  • See pesticide

    • ‘Such cover crops also include companion plants and others which are known to have pesticidal properties such as, for example, mustard and oats which suppress nematodes.’
    • ‘Biotech researchers were interested in lectins because of their pesticidal properties and the possibility of inserting genes from the compounds into food crops.’
    • ‘A single pesticidal product rarely gives the most effective and economical control.’
    • ‘Oils containing naphthene are less pesticidal and more likely to injure plants than paraffinic types.’
    • ‘When soybeans are infected or otherwise stressed, the plants make three glyceollins with natural pesticidal properties.’

Pronunciation

pesticidal

/pɛstɪˈsʌɪd(ə)l/