Plant Pathogens Demystified
11 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the biological effect of pathogens on individual plants?

  • Increased ability to produce food
  • Loss of ability to balance water uptake (correct)
  • Improved distribution of hormones
  • Enhanced growth regulation

    • What are the social and economic effects of diseases in plants?

  • Decreased financial hardship and stress for family and local community
  • Economic gain for the farmer
  • Reduced yields of grains, pastures, fruits and vegetables (correct)
  • Increased trading opportunities, both nationally and internationally

    • What is a common symptom of abnormal growth in plants due to infectious disease?

  • Increased water uptake
  • Wilting (correct)
  • Improved root growth
  • Enhanced photosynthesis

    • What are the three levels at which the effects of infectious disease in plants can be considered?

    <p>biological effects on the individual plant, social and economic effects on the farmer, social and economic effects on Australia’s economy</p> Signup and view all the answers

    What are the biological effects of pathogens on individual plants?

    <p>Death of plant, destruction of tissues (necrosis), abnormal growth, tumour-like galls, discolouration of tissues, mosaic patterns, and wilting</p> Signup and view all the answers

    What are the consequences of a plant disease outbreak on a farm?

    <p>reduced yields of grains, pastures, fruits and vegetables, loss of trading opportunities, both nationally and internationally, and economic loss for the farmer, resulting in financial hardship and stress for family and local community</p> Signup and view all the answers

    Why does the threat of infectious disease place a great burden on primary producers?

    <p>Constant vigilance is required for early detection and management</p> Signup and view all the answers

    Why could the introduction of an exotic plant disease into Australia have dire consequences for the national economy?

    <p>The Australian economy relies heavily on the export of grains, fruits and vegetables to overseas markets. Australia’s physical isolation and the consequent disease-free status of much of its produce gives us unique access to markets around the world.</p> Signup and view all the answers

    Symptoms of infectious disease in plants include destruction of tissues, abnormal growth, and tumour-like ______.

    <p>galls</p> Signup and view all the answers

    Wilting in plants can be caused by root damage or damage to conducting ______.

    <p>tissues</p> Signup and view all the answers

    Australia's physical isolation and disease-free status of much of its produce gives it unique access to overseas ______.

    <p>markets</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser