Environmental Condition Control: Temperature, Humidity, and Light are Key
1. Temperature: Most regulators need to be stored at room temperature (15-25℃), but some hormones such as gibberellins and abscisic acid require refrigeration (2-8℃). High temperatures accelerate decomposition; for example, naphthaleneacetic acid's half-life is shortened by 50% above 30℃ (refer to data from *Pesticide Science and Management*, 2021).
2. Humidity: Ambient humidity ≤60% is recommended. Powders are prone to absorbing moisture and clumping (e.g., paclobutrazol) and should be stored with a desiccant; liquid formulations must be sealed to prevent evaporation.
3. Light: Ultraviolet light degrades the active ingredients of regulators. Storage must be protected from light; brown glass bottles or opaque plastic bottles are preferred. For example, indoleacetic acid loses 90% of its effectiveness after 48 hours in sunlight.
Packaging and Labeling Management
1. Sealing: Reseal after opening; Parafilm can be used to wrap the bottle opening. Liquid conditioning agents should be dispensed into smaller volumes to minimize frequent opening and exposure to air.
2. Clear Labeling: Clearly indicate the name, concentration, preparation date (e.g., "2023-05-10"), and expiration date (e.g., "12 months"). Expired conditioning agents must be treated as hazardous waste and should not be discarded indiscriminately.
Safety and Special Precautions
1. Separate Storage: Acidic (e.g., chlormequat chloride) and alkaline conditioning agents (e.g., sodium nitrophenolate) should be stored separately to avoid chemical reactions.
2. Emergency Handling: In case of leakage, absorb with inert material (e.g., diatomaceous earth), and wear an N95 mask and gloves (refer to OSHA standards).
