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-Abscisic_acid主图.jpg "China Factory Supply High Quality (+)-Abscisic acid(ABA) CAS 21293-29-8 with good service wholesale")
(+)-Abscisic acid(ABA) is a plant hormone that is involved in many plant development processes, regulates ion balance and metabolism, and inhibits plant germination and seedling growth.
(+)-Abscisic acid can stimulate the production of ethylene, urge fruit ripening, and it inhibits the synthesis of DNA and proteins. The physiological functions of (+)-abscisic acid are as follows: 1. Inhibit and promote growth. When the concentration of (+)-abscisic acid is large, it inhibits the growth of stems, hypocotyls, roots, germ sheaths, or leaves. When the concentration is low, it promotes rooting and hypocotyl elongation of cotyledons in vivo, accelerates the reproduction of duckweed, and stimulates the development of parthenogenesis seeds. 2. Maintain bud and seed dormancy. Dormancy is related to the balance of gibberellin and (+)-abscisic acid in the body. 3. Promote the shedding of fruits and leaves. 4. Promote stomatal closure. (+)-abscisic acid can close the stomata quickly, and it is non-toxic to plants and is a good anti-transpiration agent. 5. Affects flowering. Under long-day conditions, (+)-abscisic acid allows strawberry and blackberry apical buds to hibernate and promote flowering. 6. Influence differentiation.
| Item | Specifications | Results |
| Appearance | White or off white powder | Conform |
| Water | 0.2% - 1.0% | 0.3% |
| Any impurity | ≤0.5% | 0.4% |
| Total imputities | ≤2.0% | 0.5% |
| Purity | ≥98% | 99.41% |
| Assay | Abscisic Acid (C15H20O4) ≥ 980ug/mg | 994 ug/mg |
| (The ratio of Abscisic Acid should be ≥98% ) | 98.75% |
| Product parameters | |
| Cas number: | 21293-29-8 |
| Appearance: | White or off white powder |
| Purity: | 98%min |
| Package details: | 100g/bag |
| Brand: | Fortunachem |
Abscisic Acid (ABA) is a key plant hormone, often called the "stress hormone." The (+)-Abscisic acid form, specifically (S)-(+)-ABA, is the natural, biologically active enantiomer found in plants.
Stress Response: Its main role is to orchestrate a plant's response to environmental stresses, especially drought and salinity. It triggers stomatal closure in leaves to reduce water loss.
Seed Dormancy: Induces and maintains dormancy, preventing seeds from germinating under unfavorable conditions.
Bud Dormancy: Regulates dormancy in buds, enabling plants to survive winter.
Growth Inhibition: Generally acts as an antagonist to growth-promoting hormones (like auxins and gibberellins) under stress.
Other Functions: Involved in fruit ripening, leaf senescence, and response to pathogens.
Agricultural Biotechnology: Research focuses on modifying ABA pathways to develop drought-tolerant and stress-resilient crops.
Plant Tissue Culture: Used to induce somatic embryogenesis and maintain dormancy in cultured tissues.
Horticulture & Floriculture: Can be applied to manage stress during transplanting or to delay germination/growth commercially.
Scientific Research: A vital tool for studying plant stress signaling, dormancy, and water-use efficiency.
Note: A synthetic form of the active (S)-(+)-ABA (marketed as products like ProTone®) is used as a plant growth regulator to improve stress tolerance (e.g., in turfgrass, vineyards during transplant). It helps crops conserve water and survive temporary drought.
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