What are the factors required for germination?

All seeds need water, oxygen, and proper temperature in order to germinate. Some seeds require proper light also. Some germinate better in full light while others require darkness to germinate. When a seed is exposed to the proper conditions, water and oxygen are taken in through the seed coat.

What are the 5 factors of germination?

Major Factors Necessary for Seed Germination in Plants (Internal and External Factors)
  • Water: Germination cannot occur unless and until the seed is provided with an external supply of water. …
  • Oxygen: …
  • Temperature: …
  • Light: …
  • Other factors:

What is the most important germination factor?

Of all the factors that determine seed germination, water is the first and most important. Without water it cannot happen and a seed will stay dormant. But too much water and a seed will rot. Soil should be moist but not soaked.

What are types of germination?

The three main types are: (1) Hypogeal Germination (2) Epigeal Germination and (3) Vivipary (Viviparous Germination).
  • Type # 1. Hypogeal Germination:
  • Type # 2. Epigeal Germination:
  • Type # 3. Vivipary (Viviparous Germination):

What is germination of seed Class 5?

Germination: The process in which a plant emerges from a seed and begins growth is called germination. Stages of Germination: During the early stages of germination, the seedling gets the food required for its growth from the cotyledons.

What are the external factors affecting seed germination?

The most important external factors include water, oxygen, suitable temperature, and sometimes light or darkness. Various plants require different variables for successful seed germination. Often this depends on the individual seed variety and is closely linked to the ecological conditions of a plant’s natural habitat.

What is germination for kids?

Germination is the process by which a plant grows from a seed. to germinate (v) · to develop into a plant or individual, as a seed, spore, or bulb.

What environmental factors are especially important for seed germination?

11.2.

Seed germination is the most important stage in a plants life cycle. Water, air, temperature and light are all essential for the seed germination process starting from imbibition, activation and succeeding manifestation. Rice seed germination is affected greatly by temperature.