Paclobutrazol / Cultar (CAS 76738-62-0) Comprehensive Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Paclobutrazol Technical Grade | Paclobutrazol 25% SC Formulation |
|---|---|---|
| CAS Number | 76738-62-0 | |
| Molecular Formula | C15H20ClN3O | |
| Molecular Weight | 293.79 g/mol | |
| Appearance | White crystalline powder | Brown liquid suspension |
| Purity | ≥90% | 25% active ingredient |
| Melting Point | 165-166°C | N/A |
| Solubility | 26 mg/L (water at 20°C) | Miscible with water |
2. Functional Applications
2.1 Agricultural Uses
- Crop Height Control: Inhibits gibberellin biosynthesis to reduce internode elongation in rice/wheat
- Fruit Yield Enhancement: Increases mango/citrus flowering by 40-60% through bud differentiation
- Stress Resistance: Enhances drought tolerance in turfgrass by elevating ABA levels
2.2 Horticultural Applications
- Bonsai shaping through apical dominance suppression
- Chrysanthemum flowering time regulation (±15 days control)
- Greenhouse tomato stem strength improvement
3. Usage Guidelines
| Crop | Application Stage | Dosage | Method |
|---|---|---|---|
| Rice | 3-leaf stage | 300-500 ppm | Foliar spray |
| Mango | Pre-flowering | 2-4 g/tree | Soil drench |
| Turf | Active growth | 1.5 L/ha | Broadcast |
4. Industry Case Studies
4.1 Rice Production Optimization
Jiangsu Agricultural Cooperative (2024): Achieved 22% yield increase through 400 ppm application at tillering stage, reducing lodging by 78%.
4.2 Orchard Management
Guangxi Citrus Farm Trial: 0.5% soil treatment increased fruit set rate from 35% to 61% while maintaining Brix levels.
5. Client Success Stories
5.1 GreenEarth Horticulture Ltd.
- Location: Yunnan, China
- Challenge: Uncontrolled azalea growth in nursery
- Solution: 250 ppm foliar application at 3-week intervals
- Outcome: 40% reduction in pruning costs + 15% faster time-to-market
5.2 EuroGolf Course Maintenance
- Location: Normandy, France
- Challenge: Frequent mowing requirements
- Solution: 1.2 L/ha monthly application
- Outcome: 65% reduction in mowing frequency
6. Contact for Technical Consultation
For formulation customization or application protocols:
| Contact Method | Details |
|---|---|
| Technical Support | Email: info@vivalr.com |
| Order Inquiries | Tel: (86) 15866781826 |
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