Growing Seed Crops

1. Growing Seed Crops Russell T. Nagata College of Tropical Agri. and Human Resources Komohana Research and Education Center Hilo, Hawaii russelln@hawaii.edu Hawai’i Public Seed Initiative Seed Saving and Production Basics

2. Reasons for Self Seed Production • Heirloom Varieties • Cheaper? • Sustainability/Independence • Change Variety Makeup • Opportunity Hawai’i Public Seed Initiative Seed Saving and Production Basics

3. What to Save From? • Heirlooms • Self Pollinated Crops • Annuals • Open Pollinated Varieties • No Hybrids Unless… Hawai’i Public Seed Initiative Seed Saving and Production Basics

4. Maintaining Genetic Diversity • How Many Plants to Keep • Mating Biology • Genetic Drift • Available Space • More Plants or More Seeds • Seed Yield Ratio • Seed Quantity Needed Hawai’i Public Seed Initiative Seed Saving and Production Basics

5. Maintaining Genetic Diversity • How Many Plants to Keep • Plant Selection • Reason For Selection • Eliminated Undesirables • Move in New Direction • New Possibility Hawai’i Public Seed Initiative Seed Saving and Production Basics

6. Maintaining Genetic Diversity • How Many Plants to Keep • Plant Selection • Population Makeup • Population Uniformity • Narrow Genetic Base • Open Pollinated Hawai’i Public Seed Initiative Seed Saving and Production Basics

7. Maintaining Genetic Diversity • How Many Plants to Keep • Plant Selection • Population Makeup • Pollination Biology • mating behavior • pollen transfer Hawai’i Public Seed Initiative Seed Saving and Production Basics

8. Hawai’i Public Seed Initiative Seed Saving and Production Basics

9. Seed Purity • Dependent on Starting Material Hawai’i Public Seed Initiative Seed Saving and Production Basics

10. Seed Purity • Dependent on Starting Material • Selection and Rouging Procedures Hawai’i Public Seed Initiative Seed Saving and Production Basics

11. Seed Purity • Dependent on Starting Material • Selection and Rouging Procedures • Cleanliness Hawai’i Public Seed Initiative Seed Saving and Production Basics

12. Seed Purity • Dependent on Starting Material • Selection and Rouging Procedures • Cleanliness • Proper Labeling – Seed to Seed • Variety Name • Common or Scientific Name • Date Hawai’i Public Seed Initiative Seed Saving and Production Basics

13. Seed Purity • Dependent on Starting Material • Selection and Rouging Procedures • Cleanliness • Proper Labeling – Seed to Seed • Seed Saving Goals and Objectives Hawai’i Public Seed Initiative Seed Saving and Production Basics

14. Seed Purity • Dependent on Starting Material • Selection and Rouging Procedures • Cleanliness • Proper Labeling – Seed to Seed • Seed Saving Goals and Objectives • Pollen Flow Control • Start to Finish Hawai’i Public Seed Initiative Seed Saving and Production Basics

15. Isolation Distances • Crop Specific • Pollination Biology • Self Pollination • Cleistogamy • Wind Pollinated • Insect Pollinated • Animal Pollinated Hawai’i Public Seed Initiative Seed Saving and Production Basics

16. Isolation Distances • Crop Specific • Location Specific • In Geographic Space • In Time • Exclusion of Pollinators Hawai’i Public Seed Initiative Seed Saving and Production Basics

17. Hawai’i Public Seed Initiative Seed Saving and Production Basics