|1. Description - |
|Principles of plant propagation with an emphasis on techniques that are used in the nursery and greenhouse industries. Seeds, cuttings, grafting techniques, and the separation and division of specialized structures.|
|Advisory: Completion of, or concurrent enrollment in HORT 15 strongly recommended; not open to students with credit in HORT 52B.|
|2. Course Objectives - |
|The student will be able to: |
- Demonstrate an understanding of the propagation methods used in the commercial production of plants around the world.
- Identify the basic anatomy of various different types of seeds and determine requirements for germination, harvesting storage and propagation.
- Demonstrate knowledge and skills required to select and employ common techniques of vegetative propagation for various plants species.
- Organize, schedule, and implement skills and practices used in the production and merchandising of selected nursery crops.
- Design and carry out experiments to determine specific characteristics of seeds and cuttings and determine their responses under controlled environmental conditions.
- Interpret experimental results and determine their significance relative to commercial crop production.
|3. Special Facilities and/or Equipment - |
|Horticultural laboratory, greenhouse, and related horticultural facilities and equipment. Students provide pruning shears with sheath, work boots, leather gloves and clothing for fieldwork. |
|4. Course Content (Body of knowledge) - |
- Seed anatomy and development
- methods for selecting seeds
- methods for preserving seed quality
- Evaluation of seed lots based on experiments to determine germination rate and percentage
- Techniques in seed handling and commercial seed production
- Vegetative methods of propagation
- cutting propagation
- separating and division of specialized structures
- grafting and Layering
- Schedule and implement a variety of propagation experiments
- Evaluation of cuttings based on responses to various concentrations of root stimulating hormones
- Overview of current tissue culture techniques
- Culture preparation
- Plant separation and grow out
- Overall comparison of propagation techniques and their application to production of specific crops worldwide
- Use of techniques specific to certain crops
- Use of general techniques applied to a variety of crops
|5. Repeatability - Moved to header area.|
|6. Methods of Evaluation - |
- Lab journal and/or project
- Final examination
|7. Representative Text(s) - |
|Toogood, Allan, The Complete Book of Plant Propagation, New York, NY, American Horticultural Society, DK Press, 2001. |
|8. Disciplines - |
|Environmental Horticulture & Design |
|9. Method of Instruction - |
- Participate in discussions.
- Engage in lab activities.
- Guest speakers.
- Engage in small group discussions.
- Read assigned reading activities.
- Perform self-guided research.
|10. Lab Content - |
- Starting seed.
- Light treatment
- Heat treatment
- Other seed treatments
- Division of plants.
- Cutting plants.
- Hardwood cuttings.
- Softwood cuttings.
- Tip cuttings.
- Root cuttings.
|11. Honors Description - No longer used. Integrated into main description section.|
|12. Types and/or Examples of Required Reading, Writing and Outside of Class Assignments - |
- Reading assignments will include reading approximately 30-50 pages per week from assigned text. Supplemental reading will be provided in hand-out form or through reference to on-line resources.
- Boodley, The Commercial Greenhouse. Propagation.
- Lectures will address reading topics and experiences of instructor. Classroom discussion and demonstrations in support of lecture topics will be provided.
- Guest speakers from industry will provide supplemental lecture and demonstration.
- Writing assignments include:
- topical white papers
|13. Need/Justification - |
|This course is a restricted support course for the AS degree and Certificate of Achievement in Environmental Horticulture & Design. |