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Weed Science: History and Management
5 Questions
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Weed Science: History and Management

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Questions and Answers

What is the primary concern of weed science?

  • Studying plant diseases
  • Managing plants for human activities (correct)
  • Modifying the environment against natural evolutionary trends
  • Exploring the history of settled agriculture

    • When did weeds begin to exist?

  • During the emergence of weed science in the 20th century
  • Since the development of herbicides
  • Around 10,000 years ago (correct)
  • Around 1,000 years ago

    • What is suggested to be the most common characteristic of the ancestors of dominant crop plants?

  • Their tendency to thrive in disturbed habitats (correct)
  • Their resistance to herbicides
  • Their ability to withstand extreme weather conditions
  • Their rapid growth rate

    • How are weeds controlled in much of the world?

    <p>By hand (roguing) or with crude hoes</p> Signup and view all the answers

    What is one of the major limitations on a farmer's holding and yield per unit area?

    <p>Rapidity with which a family can weed its crops</p> Signup and view all the answers

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