Propagate plants sexually.

Propagation should include

• explaining the production of plants from seed, including managing seed storage, pretreatments (e.g., stratification, scarification, pelleted, coated), substrate, temperature, light, water, and diseases
• determining the viability and germination rate of seeds.

Process/Skill Questions:

• What factors help determine whether a grower should propagate his/her own plants or purchase young plants from a propagation specialist?
• Why can seeds of some plants be collected and propagated while seeds of other plants cannot and must be purchased?
• What environmental factors influence plant propagation? How can a grower control these factors?
• What are the advantages of seed pretreatments?
• What are the advantages and disadvantages of growing plants from seeds?