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Is the period of activity in a mature seed prior to germination is known as dormancy?
No, dormancy refers to a period in the plant's life cycle where growth and development are temporarily suspended. The period of activity in a mature seed prior to germination is known as pre-germination metabolism.
What do you mean by dormancy in a seed?
Seed dormancy is a condition of plant seeds that prevents germination when the seeds are under optimal environmental conditions for germination. Living, non dormant seeds germinate when soil temperatures and moisture conditions are suited for cellular processes and division; dormant seeds do not.
Why do seeds go through a period of dormacy?
Seeds undergo a period of dormancy as a survival strategy, allowing them to withstand unfavorable environmental conditions. This dormancy ensures that germination occurs only when conditions are optimal for growth, such as the right temperature, moisture, and light. It also prevents seeds from germinating too early, which could lead to seedling death or poor establishment. Additionally, dormancy helps synchronize germination with seasonal cues, increasing the chances of successful reproduction.
What is physiological dormancy?
Physiological dormancy is a type of seed dormancy where the embryo is underdeveloped and unable to germinate even under suitable conditions. This dormancy is mainly regulated by internal factors within the seed that need to be overcome for germination to occur.
Another name for growth of a seed or breaking seed dormancy is?
germination
Germination happens between which two stages?
Germination is when a plant grows from a seed. It occurs between the dormancy stage of a seed and the establishment stage of the seed.
What ends dormancy of a seed?
A combination of factors can trigger the end of seed dormancy, such as exposure to water, light, or certain temperatures. Additionally, hormones within the seed can change, signaling the end of dormancy and the beginning of germination.
Do cherry seeds require stratification before planting?
Yes, cherry seeds typically require stratification, which is a period of cold and moist conditions, before planting to help break dormancy and promote germination.
Which plant hormone is responsible for breaking the dormancy cycle in plants?
Gibberellins are plant hormones that are responsible for breaking dormancy in seeds by promoting germination and growth. They stimulate seed germination and help in initiating growth processes in plants.
Can a seed be viable and dormant at the same time?
Yes, seed can be viable and dormant at a same time because dormancy is natural and physiological but temporary barrier for seed germination while non-vaibility is permanent unability of seed germination.
What is necessary for maple seed germination?
For maple seed germination, seeds need warmth, moisture, and oxygen. They also benefit from a period of cold stratification, which mimics winter conditions and helps to break seed dormancy. Once these conditions are met, the maple seeds can begin to sprout and grow into new plants.
Do a seed need anything while it is still dormant?
Seeds in dormancy do not require much. They need to be kept in a dry and cool environment to prevent germination. Some seeds may benefit from stratification (exposure to cold temperatures) to break dormancy and improve germination rates.
