Mechanisms of Herbicides

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Mechanisms of Herbicides

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KS7-104 Mechanisms of Herbicides


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Mechanisms of Herbicides

Target Grade: 9-14

Student will transplant grasses and weeds into flats and /or pots. After acclamation time, they will investigate how and why different plants are killed by different chemical herbicides. A simultaneous microbiological proof with seed plates will be run. Each group will choose two natural products and design a simple experiment to compare chemical vs. natural weed killers. A round table discussion including all designs, results, comparisons and possible environmental problems will summarize the exercise

This exercise is designed to show:

    1. The effectiveness of the different categories of chemical herbicides
    2. How these different chemicals work
    3. Which are the Best weed killers
    4. Their possible environmental impact

Kit Contains:

  • Instructor Manual
  • Methods of Assessment Manual
  • Material Safety Data Sheets
  • Student Observation Data Sheets
  • Student Lab Set 1 & 2
  • Student Data Sheet A
  • Student Data Sheet B
  • Rock Salt
  • Gloves
  • Spray Bottles
  • Petri Dishes
  • Strips of Bibulous Paper
  • Nutrient Agar
  • Nutrient Broth
  • Sterile Applicators
  • Roundup
  • Weed Stop
  • Labels


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