PROPAGATION: SEED COLLECTION, PROCESSING AND STORAGE

A. SEEDS AND SEEDLINGS

1. Advantages

2. Seed collection zones

3. Sources

a. Commercial seed sources

b. Seed exchanges

c. Seed collecting

4. Variability

5. Horticultural rule of thumb for obtaining "local seed"

B. HARVESTING AND PROCESSING SEEDS

1. Maturity and ripening

a. What is "ripe"

b. Three types of fruit.

2. Harvesting and handling (Outlines for Types 2, 3 and cones)

a. Type 1: dry fruit, non-dehiscing

b. Type 2: dry fruit, dehiscent

drying

extraction

cleaning

c. Type 3: fleshy fruit

extraction

fermentation

flotation

blender

drying

d. Cones

drying

extracting

de-winging

cleaning

C. SEED STORAGE

1. Normal range of viability

2. Storage factors affecting viability

moisture content

recalcitrant seeds

temperature

3. Normal storage