Current status of prickly pear control by Cactoblastis cactorum in Queensland.

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The control of prickly pear (Opuntia inermis) in Queensland by Cactoblastis cactorum has continued satisfactorily since major work on the project ceased. Recent infestations have been of relatively minor significance, although those in coastal areas are a problem. Populations of prickly pear and C. cactorum at a coastal site and three inland sites were compared to determine the cause of the persistent coastal infestations. It is suggested that dense stands of prickly pear occur where plant resistance suppresses C. cactorum population growth. The resistance is related to plant growth under conditions of water or nutrient stress.

Author-supplied keywords

  • APEC countries
  • Australasia
  • Australia
  • Cactaceae
  • Caryophyllales
  • Commonwealth of Nations
  • Developed Countries
  • Hexapoda
  • OECD Countries
  • Oceania
  • Opuntia
  • Opuntia inermis
  • Queensland
  • Spermatophyta
  • angiosperms
  • animals
  • arthropods
  • biocontrol
  • biological control
  • common prickly pear
  • dicotyledons
  • eukaryotes
  • exotic organisms
  • exotic species
  • insects
  • introduced organisms
  • introduced species
  • invasive organisms
  • invasive species
  • invasives
  • invertebrates
  • natural enemies
  • non-indigenous organisms
  • non-indigenous species
  • non-native organisms
  • non-native species
  • nonindigenous organisms
  • nonindigenous species
  • plants
  • weed control
  • weeds

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