Plant Hormones and Responses (9.3) Part 1

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Presentation transcript:

Plant Hormones and Responses (9.3) Part 1 Pre AP Biology Plant Hormones and Responses (9.3) Part 1

Auxin – Apical Meristem of shoots

Auxin - Apical Dominance

Auxin - Phototropism

Auxin - Lateral Root Growth

Auxin - Fruit Development

Cytokinins – Apical Meristem of Roots

Cytokinins - Lateral Stem Growth

Cytokinins - Cut Flowers

Gibberellins

Gibberellins - Bolting

Giberellins - Gigantic Fruit

Abscisic Acid – Seed dormancy

Ethylene Gas – Fruit Ripening

Ethylene Gas - Triple Response

Plant Hormones and Responses (9.3) Part 2 Pre AP Biology Plant Hormones and Responses (9.3) Part 2

Bolting

Greening – Making of Chlorophyll pigment in cells… activating protein synthesis by signal transduction response

Signal Transduction Response

Greening of leaves

Darwin’s experiment on photomorphogenesis

Long night plants Look at the uninterrupted night length

Short night plants

Gravitropism – Starch granule accumulation in red “tells” gravity

Thigmomorphogenesis

Plant defenses

Plant defenses

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