2. Plant Propagation By Mark J. Arena Clemson Extension Service

3. Horticulture Industry Vocabulary Language Professionalism

4. Plant Propagation The process of multiplying the # of plants by both asexual and sexual means.

5. Asexual Propagation Manipulation of plant parts (tissue) from a plant which generates into a new plant.

7. Liner A plant which is 1 yr old produced by seed or asexually

8. Prop. of Specialized Stems and Roots Separation Bulbs - bulblets > offsets > separate, repot = new plant

9. Prop. of Specialized Stems and Roots Division - used to prop. tuberous roots. Need a shoot bud or eye = a new plant. Ex: potato, dahlia, tuberous begonias

10. 4 Conditions for B/G Scion and Stock - Compatible Cambiums properly aligned Physiological stage Maintenance of union

12. Sexual Propagation Increase of plants through seeds formed from the union of gametes. Pollen(M) + Egg(F) = Seed

13. Propagation Structures Greenhouses - control environmental conditions Cold Frames - provide no heat Hotbeds - obsolete

14. Propagule Newly propagated plant – produced either asexually or sexually – roots, stems, and leaves

15. Mist Systems Intermitten mist Overhead system In-bench mist system *Transpiration & turgidity

16. Sexual Prop. Seed propagation - sown Stock plants Chilling requirements Heterozygous Cross-pollinated

17. Stock Plant A plant maintained under optimal conditions used to collect material – seeds – cuttings

18. Types of Cuttings Soft wood Semi-hardwood Hardwood

19. 2 Stages that require environ. control Rooting Acclimation

21. Factors Effecting Rooting Hormones Wounding Juvenility Handling

22. Factors cont. Type of Media Fertilization Envir. Conditions Physiological cond.

23. LAYERING Mounding & Stooling Air-layering induce rooting on the stem of a plant

24. Micropropagation T.C. Produces a mass of specific clones Requires special conditions More scientific than others

25. Adventitious Roots or Shoots When new growing points are initiated on a vegetative structure (roots, stems, or leaves)