Star - Paclobutrazol 23% w/w (25% w/v) SC - HPM
Star - Paclobutrazol 23% w/w (25% w/v) SC - HPM
Star Plant Growth Regulator by HPM
A systemic plant growth regulator for mango growth management. Paclobutrazol limits shoot elongation; HPM organises its mango recommendation by tree age.
Composition: Paclobutrazol 23% w/w (25% w/v) SC.
Crop fit: Mango. Keep each target with its listed crop.
Before treatment: Check tree age and the current HPM quantity, dilution, method and timing.
Why Choose This Product? Key Benefits
- 🥭Mango-focused guidance: The manufacturer’s recommendation is organised around mango trees.
- 🌳Age-aware use: Three mature-tree age bands are distinguished instead of a universal area rate.
- 🌱Systemic movement: Uptake carries paclobutrazol to growing tissues.
- 📏Growth regulation: Reduced internode elongation moderates new shoot growth.
- 🧬Specific growth mechanism: The active ingredient inhibits gibberellin biosynthesis rather than acting as a fertilizer.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | HPM Chemicals & Fertilizers Limited |
| Technical Name | Paclobutrazol 23% w/w (25% w/v) SC |
| Mode of Action | Inhibits gibberellin biosynthesis; not assigned an insecticide, fungicide or herbicide resistance code. |
| Chemical Group | Triazole plant growth regulator |
| Formulation | SC: suspension concentrate |
| Toxicity Label | Follow the warning panel and protective-equipment instructions on the supplied pack. |
How It Works: Mode of Action
Paclobutrazol slows the production of gibberellins, hormones that promote shoot elongation. After uptake, it moves to growing tissues and reduces the length of new internodes.
- Systemic uptake: The compound can enter through roots or stem tissue and move within the plant.
- Hormone production slows: Inhibition of gibberellin biosynthesis reduces the signal for shoot elongation.
- Shoot growth is moderated: Shorter new internodes change vegetative growth; the response depends on the tree and correct label use.
Star is a plant growth regulator, not an insecticide, fungicide, herbicide or nutrient fertilizer. Do not use it as an automatic companion treatment.
Target Crops & Growth Management
HPM identifies these crop-and-target pairings. Check that the current supplied label includes your intended use.
| Crop | Growth purpose / tree stage |
|---|---|
| Mango |
|
Do not extend a target listed for one crop to another crop, or add uses from a differently formulated product.
Dosage & Application Guide
Use a tree-age-specific programme from the current supplied HPM label. Do not create an acre or tank dose from the age bands below.
Tree-Age Dose Check & Application Basis
| Crop / tree age | Product quantity | Water | Per litre | PHI (Days) |
|---|---|---|---|---|
| Mango / age 7–15 years | Confirm current tree dose | Confirm label | Not universal | Confirm label |
| Mango / age 16–25 years | Confirm current tree dose | Confirm label | Not universal | Confirm label |
| Mango / age over 25 years | Confirm current tree dose | Confirm label | Not universal | Confirm label |
HPM’s public table uses an acre heading for age-based millilitre entries, while other primary formulation labels show different per-tree quantities. The current HPM label must resolve the quantity and basis before application.
No universal per-acre or per-litre conversion is appropriate. The webpage gives no complete water, harvest-interval or repeat-use directions; a blank entry does not mean zero waiting time.
Confirm crop-stage timing, repeat interval, maximum applications, re-entry, rainfast period and equipment on the supplied label. Do not infer these from a general product description.
How to Apply: Best Practices
- Check tree age: Match the mango tree’s age to the current HPM label and confirm that the treatment is suitable for the orchard.
- Follow the exact method: Use only the supplied label’s route, timing, dilution and placement. Do not borrow foliar, drench or trunk-injection directions from a general ingredient description.
- Measure accurately: Use a suitable measuring device. Do not estimate with a bottle cap or copy a rate from another paclobutrazol brand.
- Avoid unnecessary treatment: Follow all pack precautions, weather limits and re-entry directions. Do not assume repeat application is needed or safe.
Frequently Asked Questions
What does HPM Star contain?Paclobutrazol 23% w/w, equivalent to 25% w/v, formulated as a suspension concentrate.
Is Star the same as HPM 7 Star?No. HPM Star is a paclobutrazol growth regulator. HPM 7 Star is a separate thiamethoxam insecticide.
Which crop is specifically listed?Mango, with separate tree-age bands of 7–15 years, 16–25 years and over 25 years.
Why is there no fixed acre dose?The manufacturer’s online quantity heading does not reliably establish the tree-dose basis. Use the current HPM pack’s age-specific directions rather than calculating from the webpage.
Does Star control pests or replace fertilizer?No such use is recommended here. Its role is plant growth regulation, and it must not be treated as a nutrient or crop-protection substitute.
Safety & Disclaimer
Before you use it: Read the current pack label and leaflet. Use only for the crop, target, rate, application method and waiting periods stated there; this guide is not a substitute for the label.
Wear the protective clothing and equipment specified on the pack. Avoid breathing dust or spray and contact with skin and eyes. Do not eat, drink or smoke while handling. Wash after work.
Keep the product in its original closed container, away from children, animals, food and feed. Prevent spray, spills and washings from reaching water. Follow label disposal instructions; never reuse empty containers.