Paclobutrazol 15% WP plant growth regulatorPaclobutrazol WP in fruit tree vegetable
Paclobutrazol Biochemistry
Inhibits gibberellin biosynthesis by inhibition of the conversion of ent-kaurene to ent-kaurenoic acid, and inhibits sterol biosynthesis by inhibition of demethylation; hence inhibits the rate of cell division.
Paclobutrazol Mode of action
Plant growth regulator taken up into the xylem through the leaves, stems or roots, and translocated to growing sub-apical meristems. Produces more compact plants and enhances flowering and fruiting.
Paclobutrazol Applications
Used on fruit trees to inhibit vegetative growth and to improve fruit set; on pot-grown ornamentals and flower crops (e.g. chrysanthemums, begonias, freesias, poinsettias and bulbs) to inhibit growth; on rice to increase tillering, reduce lodging and increase yield; on turf to retard growth; and on grass seed crops and oilseed rape to reduce height and prevent lodging. To be applied as a foliar spray, as a soil drench, or by trunk injection. Has some fungicidal activity against mildew and rusts. Rates of application vary widely, depending on area of use, application method, application timing, size of crop, and cultivation method.
| Product Name | Paclobutrazol |
| CAS No. | 76738-62-0 |
| Content & Formulations | 95%TC,15%WP,25%SC |
| Physical & Chemical Property | Appearance: grayish-white powder Molecular Formula: C15H20ClN3O Structural Formula: Molecular Weight: 293.79 Solubility: Easily solves in most organic solvents Density: 1.22 g/ml Melting Point: 165℃-166℃ Boiling Point: 460.9 °C at 760 mmHg Flash Point: 232.6 °C |
| Toxicity Data | Acute toxicity: LD50 Oral - rat - 1.300 mg/kg LC50 Inhalation - rat - 4 h - 369.000 mg/m3 LD50 Dermal - rabbit - > 1.000 mg/kg Skin irritation: No data available Eye irritation: No data available |
| Usage |
| Crops | Target Pets | Dosage | Method |
| Rice seedling bed | Controlled growth | 200-300mg/kg | Spray |
| Apple tree | Controlled growth | 70-90mg/kg | Groove fertilization |
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CAS 76738-62-0 Paclobutrazol 15% WP In Fruit Tree Vegetable Images
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