A seed is an important part of a flowering plant, as it gives rise to a new plant and is also essential in the life cycle of flowering plants. Some of the seeds are also used as food.
What is a seed?
A seed can be defined as a tiny, embryonic plant, enclosed in a protective layer called the seed coat, which usually with some stored food. The main parts of a seed are seed coat, endosperm and an embryo.
Explore more: Parts of a seed
What is a radicle?
Radicle is a small embryonic root of the plant. It is a part of the seedling, which rises first from the seed during the process of seed germination.
What is plumule?
Plumule is the part of the seed embryo that grows into a shoot after the process of seed germination. It is a small portion of the plant, with a bud-like structure, giving rise to the first true leaves and is grown into a plant giving rise to several leaves, branches, flowers, and seeds.
Also Read: Formation of seeds
Radicle and Plumule – Differences
|It is the embryonic root of the plant.||It is the embryonic shoot of the plant.|
|It grows downwards into the soil.||It grows upwards into the air.|
|It is whitish in colour.||It is less whitish in colour.|
|It is the first part of the seedling.||It grows after the radicle.|
|It develops into the root.||It develops into the shoot.|
|It is negatively phototrophic.||It is positively phototrophic.|
|It is positively geotropic.||It is negatively geotropic.|
|It is positively hydrotropic.||It is negatively hydrotropic.|
|It absorbs water and minerals from the soil.||It produces food by the process of photosynthesis.|
Also Refer- Difference between an embryo and a seed.