PDC LESSON 3.11 SEEDS – HOW MANY TO SELECT

 

PERMA COURSE AGRO-ECONOMY

PDC LESSON 3.11 SEEDS – HOW MANY TO SELECT

 

How many to select

- more rather than less is always better. This is to ensure a genetic variability. Some plants preserve their genetic variability better than others and here are a few examples.

 

Self-pollinating

plants such as tomatoes, lettuce, beans, and peas need 1 to 6 plants reserved for seed saving. They are natural in-breeders. If you only save the seed from 1 plant year after year, this will eventually lead to inbreeding-depression and will eventually cause the strain to run out. Cucurbits such as pumpkins, melons and cucumbers need to have around 6 fruits saved for seed saving. It is an advantage to keep seed from pumpkins of different vines rather than only from 1 vine.

Corn and onions need to have the seed saved from many individuals to maintain genetic variability. 50- 100 cobs from different plants need to be saved from the corn stalks whilst the seed heads from about 20 onions and leeks need to be kept maintaining enough genetic variability.

 




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