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ERIC Number: EJ961406
Record Type: Journal
Publication Date: 2011
Pages: 7
Abstractor: As Provided
Reference Count: 10
ISSN: ISSN-0021-9266
Studying How Plants Defend Themselves: A Chemical Weapon Produced by Chilli Fruit
Nantawanit, Nantawan; Panijpan, Bhinyo; Ruenwongsa, Pintip
Journal of Biological Education, v45 n4 p244-250 2011
Students often prefer to study animals rather than plants, because they see plants as passive, less interesting organisms. This paper proposes a simple hands-on laboratory exercise for high-school students (grade 12) to arouse their interest in learning about plants and to demonstrate to them that plants are active organisms capable of defending themselves. In this classroom exercise, students investigate how a plant responds to an invader. As a model for study, the exercise uses three organisms: red chilli fruit, the yeast biological control agent "Saccharomyces cerevisiae", and the pathogenic fungus "Rhizopus stolonifer". Students gain basic knowledge about how plants defend themselves against pathogens by observing the physical changes of an infected wound site and by investigating the chemical compounds produced by plants in response to pathogen invasion; they are also encouraged to think critically about using biological control as a means to promote environmentally friendly agricultural practices. (Contains 3 figures and 3 online resources.)
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Publication Type: Journal Articles; Reports - Research
Education Level: Secondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Thailand