Crop protection

    Cards (9)

    • What reduces productivity in crop protection?
      • weeds competing with plants
      • pests and diseases damaging plants
    • What is an annual weed?
      A weed that completes its life cycle within one year.
    • What properties do weeds have?
      • rapid growth
      • A short life cycle
      • high seed output
      • long term seed viability
    • Whats a perennial weed?
      A weed that lives for many years. and are dormant in winter and once spring comes they grow again.
    • what are properties of perennial weeds?
      • competitive adaptions that allow them to compete with cultivated plants
      • producing sexually/asexually due to storage organs
      • under grown storage organs will grow into another weed even if the surface plant itself had been removed
    • What are the pests of crop plants?
      invertebrates such as insects (mollusks, nematode worms an slugs)
    • What are plant diseases caused by?
      pathogens, fungi bacteria or viruses often carried by invertebrates
    • What are methods of crop protection?
      ploughing, weeding, the crop rotation are all cultural methods in controlling weeds, pests and diseases. (non chemical methods of control)
    • What are chemical methods of crop protection?
      using pesticides
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