The product, High Quality 3-indolebutyric acid with CAS number 133 - 32 - 4, is a chemical compound of great significance in the field of horticulture and plant biology. Chemically, it is an auxin - type plant growth regulator. Its molecular formula is C₁₂H₁₃NO₂, and it has a molecular weight of approximately 203.24 g/mol. This compound usually appears as a white to off - white crystalline powder. It is sparingly soluble in water but soluble in organic solvents such as ethanol, methanol, and acetone. The high - quality version of this product ensures a high level of purity, which is crucial for its effectiveness in various applications.
3 - indolebutyric acid is primarily used in promoting root development in plants. In the nursery industry, it is widely applied to stimulate rooting in cuttings. When plant cuttings are treated with this compound, it helps the cuttings form adventitious roots more quickly and vigorously. This not only increases the success rate of propagation but also results in healthier and more robust plants. In addition to nurseries, it is also used in large - scale agricultural production. It can be used to improve the root system of seedlings, enhancing their ability to absorb water and nutrients from the soil, which ultimately leads to higher crop yields. Moreover, in tissue culture of plants, 3 - indolebutyric acid plays an important role in guiding the growth and differentiation of plant cells to form roots.
When using 3 - indolebutyric acid to promote rooting in cuttings, first, prepare a solution of the appropriate concentration. For most plants, a concentration of 100 - 1000 ppm is commonly used. Dissolve the powder in a small amount of organic solvent like ethanol first, and then dilute it with water to the desired concentration. Dip the base of the cuttings into the solution for a certain period, usually 1 - 5 seconds for quick - dip methods or 12 - 24 hours for slow - dip methods. The choice of method depends on the type of plant and the concentration of the solution. For large - scale agricultural applications, it can be applied to the soil either by spraying or through irrigation systems. The dosage should be adjusted according to the specific crop and soil conditions. In tissue culture, it is added to the culture medium at a carefully controlled concentration to ensure proper root development of the plantlets.
1. **Rose Nursery**: A rose nursery used 3 - indolebutyric acid to treat rose cuttings. They prepared a 500 ppm solution and used the quick - dip method. The treated cuttings showed a significant improvement in rooting rate compared to the untreated ones. Within two weeks, over 80% of the treated cuttings had developed roots, while only about 30% of the untreated cuttings rooted. The rooted roses also grew more vigorously, with stronger stems and more abundant foliage.
2. **Tomato Farm**: A tomato farm applied 3 - indolebutyric acid to the soil during the seedling stage through the irrigation system. The dosage was set at 200 ppm. The treated tomato plants had a more extensive root system, which enabled them to better withstand drought conditions. As a result, the yield per acre increased by about 20% compared to the previous year when no growth regulator was used.
3. **Orchid Tissue Culture**: In an orchid tissue culture laboratory, 3 - indolebutyric acid was added to the culture medium at a concentration of 1 ppm. The orchid plantlets developed healthy and well - branched roots within a month, which was much faster than the normal growth rate without the addition of the compound. This allowed the plantlets to be transferred to the greenhouse for further growth more quickly, saving time and cost in the propagation process.
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