Forestry And Environmental Science, Shahajalal University Science Technology, Sylhet
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S-E-E-D

Seed:

It is a ripened ovule consisting of an embryo and, in many seeds, an endosperm all enclosed in an envelope. The embryo is a miniature plant made up of a radicle, a plumule or epicotyl, one or more cotyledon for first leaves, and a hypocotyl connecting the plumule and radicle. The size of embryo various greatly in seeds of diff^ spp.


Different kind of seed:

The different kind of seed-
Monocotyledonous: Seeds that have one cotyledon, e.g. Palm, bamboo etc.
Dicotyledonous: Seeds that have two cotyledons, e.g. Dipterocarpus turbinatus,
Tectona grandish
Endospermic or albuminous: Seeds that have endosperm, e.g. Paddy rice, Wheat,
Castor etc.
Non-endospermic: Seeds that have no endosperm, e.g. Mango, Pea etc.
Perispermic: Seeds that have prisperm, e.g. Banana, Blake pepper etc.