Structure of the seed and mobilisation

Structure of the seed

BROAD BEAN

• The broad bean is classed as a dicotyledon, as it has two seed leaves.
• Food store is absorbed into the cotyledons.

MAIZE

• Maize is a monocotyledon,as it has only one seed leaf.
• Food store surrounds the seed leaves.

Germination of Broad Bean (Vicia Faba)

Dormancy: a period when active growth is suspended. Germination will occur when specific conditions are met.

After a period of dormancy, and with a favorable environment, food stores will be mobilised and the seed will germinate.

• A suitable temperature: enzymes need the optimum temperature, this varies from species to species.
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