===== plants ===== ==== general ==== * Plantengids / Plant guide / Guide des plantes / Pflanzenführer > http://www.kuleuven-kortrijk.be/bioweb/ ==== nutrients... ==== | **non-mineral** | hydrogen (H), oxygen (O), & carbon (C) || | **mineral** ||| | **primary nutrients** | nitrogen (N), phosphorus (P), and potassium (K). | usually lacking from the soil as plants use large amounts for growth and survival. | | **secondary nutrients** | calcium (Ca), magnesium (Mg), and sulfur (S). | usually enough in the soil | | **micronutrients** | boron (B), copper (Cu), iron (Fe), chloride (Cl), manganese (Mn), molybdenum (Mo) and zinc (Zn). || ==== plant development ==== * plant cells are totipotent (ie. each cell is capable of producing an entire plant) * auxin - rooting compound * cytokinins - shooting/leaves * gibberellins - elongation of cells * hormones / growth regulators | **Hormone** | **Function** | **Location** | | Auxins (IAA)* | stem elongation \\ root formation | apical dominanace \\ produced in shoot \\ apical meristem | | 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/agricultural applications via http://www.biology-online.org/11/9_plant_metabolism.htm ==== movement ==== see > [[plant movement]] ==== plant electrophysiology ==== * signal transduction * http://www.plantsci.cam.ac.uk/Webb/home.html * dr shunnosuke abe * http://web-mcb.agr.ehime-u.ac.jp/english/biophys/prtelec.htm * eric davies * neural interface / multielectrode array * steve potter * interfacing stomata / eletrically to MEA ==== other ==== [[Plan Plant Planet]] * the gift of green (short movie): http://www.archive.org/details/GiftofGr1946 corals actively change their local climate [[Coral Local Climate]] [[HPI]]