Overview
Dormin, commonly known as Abscisic Acid (ABA), is a vital plant hormone involved in regulating growth, stress responses, and dormancy. It was first identified in the 1960s and has since been extensively studied for its role in plant physiology. ABA is synthesized in response to environmental stresses such as drought, cold, and salinity, making it a key component in plant adaptation strategies. In agriculture, Dormin is used to enhance crop resilience by improving drought tolerance and seed dormancy. Its applications extend to horticulture and forestry, where it aids in stress management and growth regulation. The hormone’s ability to induce stomatal closure also makes it valuable for water conservation in plants.
Physical and Chemical Properties
Abscisic Acid is a sesquiterpenoid compound with the molecular formula C15H20O4. It appears as a white to pale yellow crystalline powder and has a melting point of 160-163°C. ABA is soluble in organic solvents like ethanol and methanol but has limited solubility in water, which influences its application methods in agriculture. The hormone is sensitive to light and moisture, requiring careful storage to maintain stability. Its chemical structure includes a cyclohexene ring and a side chain with a carboxyl group, which is critical for its biological activity. ABA’s stability under various pH conditions makes it suitable for foliar sprays and soil applications.
Main Applications
Dormin is widely used in agriculture to improve stress tolerance in crops. It is applied to seeds to prolong dormancy and ensure synchronized germination, which is particularly useful in regions with unpredictable weather. ABA also plays a role in reducing water loss by inducing stomatal closure during drought conditions. In research, ABA is a key tool for studying plant stress responses and signaling pathways. Its applications in horticulture include promoting flower and fruit abscission, as well as delaying premature fruit drop. The hormone’s versatility makes it a valuable asset in both commercial farming and scientific studies.
Safety and Storage
Abscisic Acid is generally considered safe with low toxicity to humans and animals. However, standard laboratory precautions should be followed, including the use of gloves and eye protection. Inhalation or ingestion should be avoided, and proper ventilation is recommended when handling the powder. Storage conditions are critical for maintaining ABA’s efficacy. It should be kept in a cool, dry place, away from direct light and moisture. Sealed containers and desiccants are often used to prolong shelf life. For large-scale agricultural use, bulk storage in climate-controlled facilities is advisable.
B2B Procurement Guide
When procuring Dormin, buyers should prioritize purity and supplier reliability. High-purity ABA (98% or higher) is essential for research and agricultural applications. Suppliers should provide certificates of analysis (CoA) to verify product quality. Pricing varies based on purity and quantity, with bulk purchases often offering cost savings. Buyers should also consider the form of ABA (powder or solution) and its compatibility with intended applications. Reputable suppliers with expertise in plant hormones are recommended to ensure consistent quality and technical support.
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