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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]
Most commonly they are commercially available as "rooting hormone powder". The propagation of plants by cuttings of fully developed leaves, stems, or roots is performed by gardeners utilizing auxin as a rooting compound applied to the cut surface; the auxins are taken into the plant and promote root initiation.
As Skoog's doctoral student, Murashige originally set out to find an as-yet undiscovered growth hormone present in tobacco juice. No such component was discovered; instead, analysis of juiced tobacco and ashed tobacco revealed higher concentrations of specific minerals in plant tissues than were previously known.
The extract obtained from the crushing of leaves and bulbs of coco-grass (Cyperus rotundus) is used as an excellent rooting of cuttings and seedlings of various plant species. [20] [21] Honey, though it does not contain any plant hormones, can also aid in rooting success through its natural antiseptic and antifungal properties.
The process of callus to root formation is called indirect organogenesis whereas if roots are formed from the explant directly it is called direct organogenesis. [ 3 ] In a study of Camellia sinensis , the effect of three different auxins, IBA, IAA and NAA were examined to determine the relative effect of each auxin on root formation.
The post Liquid vs. Powder Detergent vs. Pods: Which Is Best to Use? appeared first on Reader's Digest. Laundry experts break down the pros and cons of powder vs. liquid detergent vs. pods, making ...
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. On the molecular level, all auxins are compounds with an aromatic ring and a carboxylic acid group. [3]
Minoxidil stimulates hair growth, and finasteride blocks the hormone dihydrotestosterone , which causes male pattern hair loss. Unlike minoxidil, finasteride requires a prescription. Unlike ...
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