Germination

The germination of seeds covers the entire process, from subjecting a resting seed to suitable conditions to cause it to develop to the stage at which the seedling produces true leaves and establishes as a young plant. If a seed is subjected to the conditions required for germination, and it fails to germinate, despite the fact that it is alive, then the seed is described as being dormant (see pages 28-9).

Water is vital to allow plant growth to get under way. So, if the seed has not been soaked before sowing, it is important that the compost should be watered immediately after sowing.

Once the seed has sufficiently imbibed, the embryo inside the seed begins to produce root and stem systems, which eventually break out of the seed.

To grow, the embryo uses its food reserves. When oxygen is combined with carbohydrates in these food reserves, the energy necessary for growth is produced. Thus the germinating seed will have a massive oxygen

SEED LEAVES

SEED LEAVES

When the seed begins to germinate, the embryo produces a root and seed leaves. These seed leaves are usually different to the true leaves that will follow.

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