Question

What in seed germination ? Explain type of seed germination

Answer 1

Sometimes, the seed leaves, or cotyledons, remain below the surface of the soil, as in germination of a Pea, below. This is called Hypogeal Germination. In some species, the seed leaves remain on the new shoot and are brought above the ground, as in germination of the Ash tree, below.

Answer 2

Seed germination may be defined as the fundamental process by which different plant species grow from a single seed into a plant. This process influences both crop yield and quality.

A common example of seed germination is the sprouting of a seedling from a seed of an angiosperm or gymnosperm.

The three main types are:

(1) Hypogeal Germination – Hypogeal germination is a botanical term indicating that the germination of a plant takes place below the ground. An example of a plant with hypogeal germination is the pea.

(2) Epigeal Germination – Epigeal germination is a botanical term indicating that the germination of a plant takes place above the ground. An example of a plant with epigeal germination is the common bean.

(3) Vivipary (Viviparous Germination) – In plants, vivipary (precocious or premature germination) involves the germination of seeds while still on the parent plant. It is a widespread phenomenon in plants characterized by the lack of seed dormancy.

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