隐藏域元素占位
Daffodil Height Control & Growth Dwarf Regulation
Application of Plant Growth Regulators for Height Control and Dwarf Regulation in Daffodils
Paclobutrazol
Although daffodils are easy to cultivate, they are prone to leggy growth when kept indoors; flower stalks elongate excessively, resulting in relatively small flowers and a disproportionate appearance. Paclobutrazol inhibits the height of daffodil leaves and flower stalks; its use results in deep green, thick leaves and sturdy flower stalks. Soaking bulbs in a 20–40 mg/L paclobutrazol solution for 7 days effectively reduces plant height. However, treatment with concentrations exceeding 50 mg/L can cause phytotoxicity, such as leaf curling and deformity.
Ethephon
When the daffodil stems reach a length of 15 cm, drenching the soil with a 240 mg/L ethephon solution can reduce stem and leaf length, resulting in a well-proportioned plant shape and an extended flowering period.
Growth Stage Products
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