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| plant_biology [2008-05-27 13:58] – nik | plant_biology [2008-05-29 15:18] – maja | ||
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| ===== plants ===== | ===== plants ===== | ||
| + | ==== general | ||
| + | * Plantengids / Plant guide / Guide des plantes / Pflanzenführer > http:// | ||
| ==== plant development ==== | ==== plant development ==== | ||
| * plant cells are totipotent (ie. each cell is capable of producing an entire plant) | * plant cells are totipotent (ie. each cell is capable of producing an entire plant) | ||
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| * hormones / growth regulators | * hormones / growth regulators | ||
| + | |||
| + | | **Hormone** | **Function** | **Location** | | ||
| + | | Auxins (IAA)* | stem elongation \\ root formation | ||
| + | | Cytokinins | cell division \\ differentiation | produced in roots | | ||
| + | | Gibberellins (GA)* | stem & internode elongation \\ seed germination| produced in apical portion of root & shoot | | ||
| + | | Ethylene* | abscission fruit ripening | produced in leaves, stems & young fruits | | ||
| + | | Abscisic Acid | supression of bud growth \\ stomatal opening \\ leaf senescence | mature leaves, fruits & root caps | | ||
| + | |||
| + | * horticultural/ | ||
| + | |||
| + | via http:// | ||
| ==== movement ==== | ==== movement ==== | ||
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| [[Plan Plant Planet]] | [[Plan Plant Planet]] | ||
| + | |||
| + | * the gift of green (short movie): http:// | ||
| corals actively change their local climate [[Coral Local Climate]] | corals actively change their local climate [[Coral Local Climate]] | ||
| [[HPI]] | [[HPI]] | ||
nik