Plant Propagation By Mark J. Arena Clemson Extension Service.
Post on 16-Dec-2015
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Asexual Propagation
• Manipulation of plant parts (tissue) from a plant which generates into a new plant.
Prop. of SpecializedStems and Roots
• Separation
• Bulbs - bulblets > offsets > separate, repot = new plant
Prop. of SpecializedStems and Roots
• Division - used to prop. tuberous roots. Need a shoot bud or eye = a new plant.
• Ex: potato, dahlia, tuberous begonias
4 Conditions for B/G
• Scion and Stock - Compatible
• Cambiums properly aligned
• Physiological stage
• Maintenance of union
Sexual Propagation
• Increase of plants through seeds formed from the union of gametes.
• Pollen(M) + Egg(F) = Seed
Propagation Structures
• Greenhouses - control environmental conditions
• Cold Frames - provide no heat
• Hotbeds - obsolete
Sexual Prop.• Seed propagation - sown• Stock plants• Chilling requirements• Heterozygous• Cross-pollinated
Stock Plant
• A plant maintained under optimal conditions
• used to collect material – seeds – cuttings
Micropropagation• T.C.
• Produces a mass of specific clones
• Requires special conditions
• More scientific than others
Adventitious Roots or Shoots
• When new growing points are initiated on a vegetative structure (roots, stems, or leaves)
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