plant senescence wikipedia - EAS
- Process of aging in plantsPlant senescence is the process of aging in plants. Plants have both stress-induced and age-related developmental aging. Chlorophylldegradation during leaf senescence reveals the carotenoids
Chlorophyll
Chlorophyll is any of several related green pigments found in the mesosomes of cyanobacteria, as well as in the chloroplasts of algae and plants. Its name is derived from the Greek words χλωρός, khloros and φύλλον, phyllon. Chlorophyll is essential in photosynthesi…
, such as anthocyanin and xanthophylls, which are the cause of autumn leaf color in deciduous trees.Carotenoid
Carotenoids, also called tetraterpenoids, are organic pigments that are found in the chloroplasts and chromoplasts of plants and some other photosynthetic organisms, including some bacteria and some fungi. Carotenoids can be produced from fats and other basic organic metabolic buildi…
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See all on Wikipediahttps://en.wikipedia.org/wiki/Plant_senescencePlant senescence is the process of aging in plants. Plants have both stress-induced and age-related developmental aging. Chlorophyll degradation during leaf senescence reveals the carotenoids, such as anthocyanin and xanthophylls, which are the cause of autumn leaf color in deciduous trees. Leaf … See more
Programmed senescence seems to be heavily influenced by plant hormones. The hormones abscisic acid, ethylene, jasmonic acid and salicylic acid are accepted by most scientists as promoters of senescence, but at least one source … See more
Seed germination performance is a major determinant of crop yield. Deterioration of seed quality with age is associated with accumulation of DNA damage. In dry, aging rye seeds, DNA damages occur with loss of viability of embryos. Dry seeds of Vicia faba accumulate … See more
Wikipedia text under CC-BY-SA license- https://en.wikipedia.org/wiki/Senescence
Senescence or biological aging is the gradual deterioration of functional characteristics in living organisms. The word senescence can refer to either cellular senescence or to senescence of the whole organism. Organismal senescence involves an increase in death rates and/or a decrease in fecundity with increasing age, at least in the latter part of an organism's life cycle.
Wikipedia · Text under CC-BY-SA license - https://en.wikipedia.org/wiki/Talk:Plant_senescence
- Hi Folks, This is socrtwo. Admittedly what I wrote about plant senescence is my opinion, and is not therefore appropriate here. Please correct or request an expert on this subject to correct the information.--socrtwo 00:47, Mar 11, 2005
Plant senescence - Wikipedia
https://wiki.alquds.edu/?query=Plant_senescenceWebApr 14, 2022 · Plant senescence is the process of aging in plants. Plants have both stress-induced and age-related developmental aging. Chlorophyll degradation during leaf …
- https://www.britannica.com/science/plant-development/Senescence-in-plants
WebPlants and plant parts, however, do die, and death is often not the consequence of accident or environmental stress but of physiological decline—aging, or senescence. Various …
- https://pubmed.ncbi.nlm.nih.gov/29392652
WebAbstract. Concepts, classification, and the relationship between different types of senescence are discussed in this chapter. Senescence-related terminology frequently …
- https://en.wikipedia.org/wiki/Negligible_senescence
WebNegligible senescence is a term coined by biogerontologist Caleb Finch to denote organisms that do not exhibit evidence of biological aging, such as measurable …
- https://en.wikipedia.org/wiki/Cellular_senescence
WebCellular senescence is a phenomenon characterized by the cessation of cell division. In their experiments during the early 1960s, Leonard Hayflick and Paul Moorhead found that …
- https://en.wikipedia.org/wiki/Plant_hormone
WebPlant hormone are signal molecules, produced within plants, that occur in extremely low concentrations. Plant hormones control all aspects of plant growth and development, from embryogenesis, the regulation of organ …
- https://www.wikipedia.org/wiki/Plant_senescence
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