How do you distinguish between hypogeal germination and epigeal germination? What is the role of cotyledon (s) and the endosperm in the
germination of seeds?
|
Hypogeal |
Epigeal |
|
When epicotyl grows firsts, only the plumule is pushed out of the soil or we can say above the ground. While cotyledon and all other remain under the soil, the germination is called hypogeal. |
When hypocotyl grows firsts, it pushes cotyledons and other parts of the seed out of the soil. |
|
Cotyledons remain non- green and non- photosynthetic. Example: Castor and beans. |
Cotyledons become green and photosynthesis. Example: Maize, rice. |
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Hypogeal
Epigeal
When epicotyl grows firsts, only the plumule is pushed out of the soil or we can say above the ground. While cotyledon and all other remai...
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