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Effect of Weed Management on Insect Pest Population on Cotton (Gossypium Hirsutum L.) At Werer, Ethiopia

Workishet Taye

Published 2021 in International Journal of Research Studies in Agricultural Sciences

ABSTRACT

Weeds are important hosts of insect pests and pathogens in agroecosystems. Van Emden and Dabrowski (1997) cites 442 references relating to weeds as reservoirs of pests. More than seventy families of arthropods affecting crops were reported as being primarily weeds associated (Bendixen and Horn, 1981). Many pest outbreaks can be traced to locally abundant weeds belonging to the same family as the affected crop plants. Many insect pests are sufficiently polyphagous and thus, weeds unrelated to the crop may also be pest reservoirs. For example, Aphis gossypii feeds on over twenty unrelated weed species within and around cotton fields. Weedy plants near crop fields can provide requisites for pest outbreaks. Gliessman (2001) reported that weed borders are used in an agroecosystem to attract insects, facilitating colonization in the adjacent cauliflower crop.

PUBLICATION RECORD

  • Publication year

    2021

  • Venue

    International Journal of Research Studies in Agricultural Sciences

  • Publication date

    Unknown publication date

  • Fields of study

    Not labeled

  • Identifiers
    DOI 10.20431/2454-6224.0701003
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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