Plant Physiology and Growth: Photoperiodism and Phototropism

Photoperiodism & Phototropism: AHS.40 : Becoming an Advocate for Agriculture and Natural Resources (all,IA) (PDF) | (PPT)

Proper light is critical in the production of plants. Strengthening a positive image of agriculture in the eyes of the general public is critical to our industry.

Photoperiodism & Phototropism: MS.43 : Answering Questions from Others (2) (PDF) | (PPT)

Compare the four steps in responding to questions to the steps involved when a plant responds to light through phototropism and photoperiodism.

Photoperiodism & Phototropism: MS.42 : Responding to Audience Feedback (1,3) (PDF) | (PPT)

Connect the light responses taught in this horticultural area with the appropriate responses to audience feedback in speeches and discussions. Students will identify types of feedback and how to deal with each.