seed dormancy

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• Seed hibernation — is different from seed dormancy. While seed dormancy can be defined as a seed not germinating when conditions, e.g. light, water/nutrient availability or the presence of activating substances like smoke, are favourable , hibernation is the… …   Wikipedia

• Seed — A seed Audio IPA|en us seed.ogg|/ˈsiːd/ (in some plants, referred to as a kernel) is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and… …   Wikipedia

• seed and fruit — ▪ plant reproductive part Introduction       respectively, the characteristic reproductive (reproductive system, plant) body of both angiosperms (flowering plants) and gymnosperms (conifers, cycads, and ginkgos) and the ovary that encloses it.… …   Universalium

• Dormancy — During winter dormancy, plant metabolism virtually comes to a standstill due, in part, to low temperatures that slow chemical activity.[1] Dormancy is a period in an organism s life cycle when growth, development, and (i …   Wikipedia

• dormancy — A period in the life of an animal (hibeRNAtion and aestivation) or plant during which growth slows or completely ceases. Evolved to allow survival of adverse environmental conditions. Annual plants survive the winter as dormant seeds, while many… …   Glossary of Biotechnology

• Seed dispersal — is the movement or transport of seeds away from the parent plant. Plants have limited mobility and consequently rely upon a variety of dispersal vectors to transport their propagules, including both abiotic and biotic vectors. Seeds can be… …   Wikipedia

• Germination — is the process whereby growth emerges from a period of dormancy. The most common example of germination is the sprouting of a seedling from a seed of an angiosperm or gymnosperm. However, the growth of a sporeling from a spore, for example the… …   Wikipedia

• Plant hormone — Plant hormones (also known as phytohormones) are chemicals that regulate plant growth. Plant hormones are signal molecules produced within the plant, and occur in extremely low concentrations. Hormones regulate cellular processes in targeted… …   Wikipedia

• horticulture — horticultural, adj. horticulturist, n. /hawr ti kul cheuhr/, n. 1. the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants. 2. the science and art of cultivating such plants. [1670… …   Universalium

• angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

• Stratification (botany) — In horticulture, stratification is the process of pretreating seeds to simulate natural conditions that a seed must endure before germination. Many seed species have what is called an embryonic dormancy and generally speaking will not sprout… …   Wikipedia