| CAS No.: | 21293-29-8 |
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| Formula: | C15h20o4 |
| EINECS: | 244-319-5 |
| Kind: | Growth Inhibitor |
| Shape: | Powder |
| Usage: | Restrain The Growth of The Stem Leaf Bud, Raise The Protein Content, Increase The Sugar Content |
| Samples: |
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| Customization: |
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Audited Supplier | Product Name | Abscisic Acid |
| Appearance | White powder |
| Function | Cause bud dormancy, leaf shedding and inhibit cell growth. |
| Application | Agriculture |
| Storage conditions | Avoid contact with strong oxidants, acids, acid chlorides, acid anhydrides, carbon dioxide. |
| function | 1. Promote shedding 2. Inhibit growth It inhibits the elongation and growth of organs such as the coleoptile, shoots, roots and cotyl. 3. Promote sleep 4. Cause the stomata to close 5. Regulate the development of seed embryo 6. Increase stress resistance 7. It affects sexual differentiation |
| Application | 1. Abscisic acid is an effective inhibitor of seed germination, which exists as a major growth inhibitor in many dormant seeds of plants. The seeds of many plants can be soaked with abscisic acid to prevent germination, and its effect is reversible, it is easy to be washed out of treated seeds and resume growth again, so abscisic acid can inhibit seed germination. For seed storage. 2. Abscisic acid can promote the accumulation of storage substances in seeds and fruits, especially storage proteins and sugars. The application of abscisic acid at the early stage of seed and fruit development can increase the yield of food crops and fruit trees. 3. Abscisic acid can enhance the cold and freezing resistance of plants, and can be applied to help crops resist low temperature cold damage in early spring and cultivate new crop varieties with strong cold resistance. The effect of abscisic acid on the cold resistance of wheat has two characteristics: first, it can improve the cold resistance without inhibiting growth; Second, it can induce the improvement of cold resistance under warm conditions. Generally, cold resistance of plants can only be developed by exercising at low temperatures. These effects of abscisic acid are not only of great significance for exploring the expression and regulation of cold resistance genes, but also may bring hope for preventing cold damage of overwintering crops. 4. Abscisic acid can improve the drought resistance and salt tolerance of plants, and has high application value for helping humans resist more and more arid environments, developing and utilizing middle and low yield fields and afforestation. 5.Applying exogenous abscisic acid to wheat can inhibit rod elongation, increase ear weight, and resist crop lodging; Low concentration of abscisic acid can promote the formation and redifferentiation of adventitious roots, which has a broad application prospect in tissue culture. |
| Attention | Natural abscisic acid is a white crystalline powder, easily soluble in ethanol, etc., insoluble in ether, benzene, etc., water solubility 3-5 g/L(20ºC). The stability of abscisic acid is good, placed at room temperature for two years, the content of effective ingredients is basically unchanged, but it should be sealed and stored in a dry, cool and dark place. Abscisic acid aqueous solution is sensitive to light and belongs to strong light decomposition compounds. |
| Action mechanism | The physiological function of abscisic acid is mainly to cause dormancy and promote abscission. Treating plant twigs with abscisic acid can cause the same state as dormancy. Producing budding scaly leaves instead of expanding vegetative leaves; Reduced mitosis in apical meristem; And can cause the underlying leaves to fall off and prevent the release of dormancy. The germinable seeds can be made dormant by treating them with abscisic acid. This inhibition of germination can be counteracted or reversed by treatment with gibberellin or cytokinin. Abscisic acid can antagonize the effect of gibberellin on long-day plants to cause bolting and flowering. It also enables a small number of short-day plants to flower under non-induced cycle conditions. Conversely, several effects of abscisic acid can also be offset by gibberellin. For example, the use of gibberellin can overcome the elongation of abscisic acid on hereditary tall stalk maize and the inhibition of seed germination and potato germination. In addition, the action of abscisic acid is also opposite to that of cytokinin, which antagonizes both gibberellin and cytokinin in plants. But these antagonisms are very complex. For example, lettuce seeds need light for germination, and gibberellin can replace light. Abscisic acid could counteract the effect of gibberellin on germination, but increasing the concentration of gibberellin could not overcome the effect of abscisic acid and restore the promotion of germination. Abscisic acid plays a role in controlling nucleic acid and protein synthesis. Abscisic acid inhibits α-amylase synthesis in barley grains and antagonizes gibberellin in this process. The inhibition of enzyme synthesis is similar to that produced by the inhibitors of RNA synthesis, 8-azguanine and 6-methylpurine, suggesting that abscisic acid may act to inhibit the synthesis of RNA that determines the structure of α-amylase, or to prevent RNA from binding to active enzyme units. Abscisic acid inhibits RNA synthesis in dandelion leaves and DNA synthesis in algae. |
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