Light

1. Photoperiodism

1.1. The induction of flowering, tillering, bulbing in response to day/night periods

1.2. Mediated by phytochromes

1.3. Critical period

1.3.1. Short day plant

1.3.2. Long day plant

1.3.3. Day Neutral Plant

2. Phototropism

2.1. Directional growth of plant parts - bending

2.2. Phototropism Experiments

2.3. Light factors affecting growth

2.3.1. Quality

2.3.2. Intensity

2.3.3. Duration

3. Photosynthesis

4. Photomorphogenesis

4.1. Plants grow and develop in response to light signals

4.2. Photoreceptors

4.2.1. Phytochromes

4.2.2. Cryptochrome

4.2.3. Phototropin

4.2.4. UV-B receptor