Mar 29, 2023
AGH 233 - Plant Propagation I Credits: 3
Lecture Hours: 2
Lab Hours: 2
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
An introduction to plant propagation with emphasis on grafting, herbaceous and hardwood cuttings, and greenhouse and nursery seeds. Propagation schedules, equipment, structures and growth regulators will be discussed.
Prerequisite: AGH 106 or BIO 104 or BIO 112 or BIO 135 or BIO 138 or BIO 145
- Explain the environmental factors affecting plant growth
- Describe water and nutrient uptake.
- State the impact of temperature on the rate of cell division.
- Recall the role light plays in the growth process.
- Summarize the functions and operations of various propagating structures and associated equipment and materials.
- Compare greenhouses, hotbeds, cold frames, and lath houses as propagating structures.
- Evaluate structure coverings of glass, plastic, polyethylene, fiberglass, wood lath,and screening.
- Contrast soil, sand, peat, vermiculite, perlite, sawdust, compost, and other materials as propagating medias
- Identify the various containers used to hold propagating medias.
- List the characteristics of a effective propagating media.
- Explain the function of temperature within the propagating media.
- Describe the function and operation of a mist bench.
- Explain the formation and development of a seed in sexual reproduction.
- Contrast pollination and fertilization.
- Identify the parts of a seed.
- Describe the function of each seed part.
- Describe the principles of propagation by seed.
- State the importance of seed quality in the germination process.
- List the environmental factors conducive to the germination of seed.
- Identify the stages of the germination process.
- Name the factors of dormancy which may impact germination.
- Demonstrate seed treatments involved with scarification and stratification.
- List the various scarification methods
- Describe what happens to seed in the scarification process.
- List the various stratification methods.
- Describe what happens to seed in the stratification process.
- Explain how plant anatomy impacts propagation by cuttings.
- Identify the different types of cuttings used in asexual propagation by cuttings.
- Recall which types of cuttings are used to propagate each general plant group.
- Explain how plant physiology affects propagation by cuttings.
- Define what a plant hormone is.
- Identify the plant hormones.
- Define what a plant growth regulator is.
- Identify the plant growth regulators.
- Describe the physiology of a grafted plant.
- Describe the role of rootstock and scion meristematic tissue contact.
- State the sequence of the wound healing process.
- Recall the tissue differentiation sequence which follows callusing.
- Cite how the laying down of new vascular tissue is a requisite for a successful graft union.
- Demonstrate grafting techniques
- Identify the components of a graft; rootstock, scion, interstock.
- Name the equipment and materials used in making grafts.
- List the different types of grafts and the purpose of each.
- Explain the importance of polarity when making grafts.
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