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F1 Seeds - Seeds - Paul Fowler
SECTION 1 - SEEDS
F1 SEEDS
Fl seeds are first generation hybrids resulting from the cross breeding of two different types of the same plant (for example, two plants from different parts of the world with different characteristics). Plants grown from Fl seeds should have determined and uniform characteristics. However, hybrid seeds are not stable beyond the first generation, and you should not plant the seeds produced by plants grown from Fl seeds. For a new crop you will either have to buy new seeds or take cuttings from a mother plant.

If a seed is bred from two of the same type of plant, then the plants grown from the seeds are known as ‘crosses’. They will all have the same characteristics as the parent plants.

If you cross-breed two different types of the same plant, the resulting plants are known as ‘hybrids’. Only the first generation of seeds (Fl) from hybrids will be stable and grow uniformly. They will be a combination of the characteristics from the two parent plants. If seeds were bred from the Fl plants the next generation of plants (F2) will only have about 80% Fl type plant, the remaining 20% will be like either parent. The next generation (F3) will only have about 70% Fl plants and by the fourth generation only half of the plants will be Fl type.

Fl seeds are usually only sold as such if the cross has been made from two very different species of the same plant which makes the hybrid seeds unstable beyond the Fl generation.
<< Section 1 - Ferminised Seeds