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New Plants From Old - Lesson 2 of 3
 
Title
New Plants From Old - Lesson 2 of 3
 
Overview
This is the second in a cluster of three lessons which explore the creation of a new breed of plant. In this lesson students will explore various Australian native plant varieties and investigate plant breeding and plant breeder’s rights.
 
Topics Covered
Plant breeding, Plant Breeder’s Rights, Intellectual Property, Australian flora
 
KLA
Science
Subject
Botany and Genetics
 
Year
6
Stage/Level
3
 
Learning Outcomes
At the end of this lesson, students will be able to:
  • describe the characteristics of a plant;
  • demonstrate an understanding of plant breeding;
  • determine which plant characteristics are suitable for variation;
  • demonstrate a basic understanding of intellectual property;
  • explain plant breeder’s rights.
 
Duration
50 minutes
 
Teacher Prep Time
20 minutes
 
Materials Required
  • flower cuttings - a variety from a particular genus of Australian native flower (in this case, the bottlebrush - Callistemon or Grevillia)
    Note:
    The cuttings need to show different characteristics such as flower colour, flower size, leaf shape
  • blackboard or whiteboard
  • worksheet (Attachment 1)
 
Procedure
  1. Teacher demonstrates one plant sample.
  2. Individual students are called upon to state one observation of the plant.
  3. Teacher makes a list on the board of the characteristic to which the students are referring, ie:
    • colour
    • flower shape
    • leaf shape
    • size
    • fragrance
    • use
  4. Class views other plants supplied by the teacher (or images from a botany book or text).
  5. Teacher introduces the concept of plant breeding:
    • Horticulturists, scientists and other interested groups experiment in mixing plants of different species to produce a new plant.
    • Explain the different reasons why they may do this? eg: - flower trade - disease resistance etc
    • As an example, you could use the hybrid plant Grevillia “Robyn Gordon” as an example of a plant that was produced by cross-pollinating two parent Grevillias - the parent plants were Grevillia banksii and Grevillia bipinnatifida.
  6. Students briefly discuss some other examples of plant varieties that have been created by scientists and horticulturists:
    • Does your greengrocer reveal any clues?
    • What could you find out at the flower markets?
  7. Teacher introduces the concepts of intellectual property and plant breeder’s rights:
    • Why would a scientist be interested in protecting his or her part in breeding a new variety of plant?
    • Could you make a lot of money if you created a new plant breed? How and why?
    • Definition: Intellectual property (IP) represents the property of your mind or intellect. Types of intellectual property include patents, trade marks, designs, confidential information/trade secrets, copyright, circuit layout rights, plant breeder's rights etc.
    • Definition: Plant breeder's rights are used to protect new varieties of plants by giving exclusive commercial rights to market a new variety or its reproductive material.
  8. Students are given the challenge of coming up with an idea for a new plant for the flower market that does not exist.
  9. Students complete the New Plant Worksheet (Attachment 1):
    • Students may use the plant samples provided to help them come up with their new plant.
 
References
www.ipaustralia.gov.au
bioserve.latrobe.edu.au/vcebiol/cat3
www.accessexcellence.org/AB/BC/Gregor_Mendel.html

www.netspace.org/MendelWeb/

www.netspace.org/MendelWeb/CollText

 
Follow up Activities
  • Visit the Big Ideas Network website, “Meet the Experts” page, and view or listen to the plant breeder’s advice. This site may be accessed via the InnovatED homepage www.innovated.gov.au
  • Create a collage of dried flowers and their parent varieties.
 
Suggested Assessment
See suggested assessment in New Plants from Old - Lesson 1 of 3
 
Attachments
Attachment 1: Genetics Worksheet
 
Author
Michael Gallagher Dip Teach BEd
 
Last Modified
February 2001
Click on the links below to view and print your attachments or right click the file name to save to your desktop.
1. Attachment 1: Genetics Worksheet
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