A typical matured seed of angiosperms consists of two parts: 1. Seed Coat 2. Kernel. 1. Seed Coat: Seed coat is the protective covering of seed, developed from integument of the ovule. It is made up of two layers: i. the outer layer is called testa, which is usually hard and of various appearances (Fig. 2.1), and ii. the inner [...]
In this article we will discuss about the meaning and types of seeds. Meaning of Seeds: Seed is the name of a ripened ovule which contains an embryo or miniature plant in suspended animation, adequate reserve food for future development of the embryo and a covering for protection against mechanical injury, loss of water, pathogens, etc. A seed may have [...]
The below mentioned article provides a study note on the Seed Growth. Seed germinates to produce seedling. Seedling grows first into a juvenile plant which develops only vegetative organs. Later on it begins to produce flowers, fruits and seeds. Unlike animals, plants do not stop growing after reaching maturity. They continue to grow and bear new roots, leaves, branches, flowers, [...]