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1-Naphthaleneacetamide (NAAm) is a synthetic auxin that acts as a rooting hormone. It can be found in commercial products such as Rootone. ... Plant hormones This ...
NAA is a synthetic plant hormone in the auxin family and is an ingredient in many commercial horticultural products; it is a rooting agent and used for the vegetative propagation of plants from stem and leaf cuttings. It is also used for plant tissue culture. [2]
In plant tissue culture IBA and other auxins are used to initiate root formation in vitro in a procedure called micropropagation.Micropropagation of plants is the process of using small samples of plants called explants and causing them to undergo growth of differentiated or undifferentiated cells.
Thus, a plant can (as a whole) react to external conditions and adjust to them, without requiring a nervous system. Auxins typically act in concert with, or in opposition to, other plant hormones. For example, the ratio of auxin to cytokinin in certain plant tissues determines initiation of root versus shoot buds.
The Root effect is a physiological phenomenon that occurs in fish hemoglobin, named after its discoverer R. W. Root. It is the phenomenon where an increased proton or carbon dioxide concentration (lower pH ) lowers hemoglobin's affinity and carrying capacity for oxygen .
Ethylene chemical structure. Ethylene signaling pathway is a signal transduction in plant cells to regulate important growth and developmental processes. [1] [2] Acting as a plant hormone, the gas ethylene is responsible for promoting the germination of seeds, ripening of fruits, the opening of flowers, the abscission (or shedding) of leaves and stress responses. [3]
The earliest written record of the now-known rotenone-containing plants used for killing leaf-eating caterpillars was in 1848; for centuries, these same plants had been used to poison fish. [4] The active chemical component was first isolated in 1895 by a French botanist, Emmanuel Geoffroy , who called it nicouline , from a specimen of Robinia ...
Use of the herbal fish poisons has been documented in a number of sources involving catching fish from fresh and sea water. [3] Tribal people historically used various plants for medicinal and food exploitation purposes. [4] Use of fish poisons is a very old practice in the history of humankind.
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