Walstar Plant Growth Regulator contains Paclobutrazol 23% SC, a plant growth regulator used primarily for managing excessive vegetative growth and supporting flowering and fruit development in mango and other recommended crops.
Paclobutrazol works by reducing gibberellin biosynthesis in the plant. This helps limit excessive shoot elongation and directs more plant resources toward reproductive growth such as flower bud development, fruit set and subsequent fruit development when used at the recommended crop stage and dosage.
Walstar is particularly useful in mango cultivation where excessive vegetative growth can interfere with timely and uniform flowering. When applied as a soil drench around the active root zone, Paclobutrazol is absorbed through the roots and moves toward actively growing plant tissues.
Under proper application practices, Walstar helps regulate shoot growth, supports more uniform flowering and assists in maintaining a compact canopy. It may also be used in other recommended crops including pomegranate, apple, grapes, onion, garlic and groundnut as per crop-specific recommendations.
| Product Name | Walstar Plant Growth Regulator |
|---|---|
| Technical Name | Paclobutrazol 23% SC |
| Product Type | Plant Growth Regulator |
| Formulation Type | Suspension Concentrate (SC) |
| Chemical Group | Triazole |
| Mode of Action | Gibberellin Biosynthesis Inhibitor |
| Application Method | Soil Drench and Foliar Spray, depending on crop |
| Recommended Crops | Mango, Pomegranate, Apple, Grapes, Onion, Garlic and Groundnut |
| Available Pack Sizes | 50 ml, 250 ml, 500 ml, 1 L |
| Country of Origin | India |
| Shelf Life | 2 years from the date of manufacture |
| Active Ingredient | Paclobutrazol |
|---|---|
| Concentration | 23% |
| Formulation | Suspension Concentrate (SC) |
| Primary Function | Regulation of vegetative growth and support for reproductive development |
| Crop | Main Purpose / Benefit |
|---|---|
| Mango | Helps manage excessive vegetative growth, supports synchronized flowering, fruit set and more uniform crop development. |
| Pomegranate | Helps control excessive vegetative growth and supports more uniform flowering and fruit set. |
| Apple | Helps reduce excessive vegetative vigor and supports return bloom and fruit development. |
| Grapes | Helps manage shoot growth and supports allocation of plant resources toward berry development. |
| Onion | Helps regulate excessive foliage growth and supports bulb development. |
| Garlic | Helps regulate foliage growth and supports bulb formation and uniformity. |
| Groundnut | Helps manage canopy growth and supports pod development. |
| Crop | Purpose | Recommended Dose | Water Requirement | Application Timing |
|---|---|---|---|---|
| Mango – 7 to 15 Years | Management of excessive vegetative growth | 15–20 ml per tree | 5–10 litres per tree | July to October, approximately 60–90 days before expected flowering |
| Mango – 16 to 25 Years | Management of excessive vegetative growth | 20–30 ml per tree | 5 litres per tree | October to November, approximately 60–90 days before expected flowering |
| Mango – Above 25 Years | Management of excessive vegetative growth | 30–40 ml per tree | 10 litres per tree | October to November, approximately 60–90 days before expected flowering |
| Pomegranate | Growth regulation and support for flowering | 3 ml per tree | 2 litres per tree | Approximately 60 days before flowering |
| Apple | Growth regulation and support for fruit set | 10 ml per tree | 5 litres per tree | Post-harvest stage |
| Onion / Garlic / Groundnut | Vegetative growth regulation and support for bulb or pod development | 3–5 ml per 15 litres of water | Foliar spray | Vegetative stage |
Dosage Note: Do not exceed the recommended dose. Excessive Paclobutrazol application may suppress vegetative growth and flowering for an extended period. Always follow the product label and crop-specific recommendations.
For mango, Paclobutrazol is generally applied well before the expected flowering period so that vegetative growth can be regulated before flower bud development. Based on the supplied recommendation, application should generally be made approximately 60–90 days before expected flowering, with timing adjusted according to tree age and crop conditions.
For mature mango trees, the supplied recommendation includes application during October to November for upcoming flowering, while younger mango trees may have a broader recommended application window.
Paclobutrazol works primarily by inhibiting the biosynthesis of gibberellins, plant hormones responsible for cell elongation and vegetative shoot growth.
When applied through the soil, Paclobutrazol is absorbed by the roots and transported toward actively growing portions of the plant. By reducing gibberellin activity, it helps shorten internodes, control excessive shoot growth and encourage a shift from vegetative growth toward reproductive development.
For mango trees, Walstar should be diluted in the recommended volume of water and applied uniformly around the active root zone or drip circle. Application directly against the trunk should be avoided. Adequate soil moisture supports absorption through the roots.
The exact quantity should be selected according to tree age, canopy size, crop condition and the dosage recommendation stated on the product label.
Walstar is a plant growth regulator containing Paclobutrazol 23% SC. It helps regulate excessive vegetative growth and supports flowering and reproductive development in recommended crops.
In mango, Walstar is mainly used to control excessive vegetative shoot growth and support timely and more uniform flowering when applied at the recommended stage and dosage.
Paclobutrazol inhibits gibberellin biosynthesis in the plant. This reduces excessive shoot elongation and helps shift plant growth toward flower bud development and reproductive growth.
The supplied recommendation is 15–20 ml per tree diluted in approximately 5–10 litres of water and applied around the active root zone.
The supplied recommendation is 20–30 ml per tree diluted in approximately 5 litres of water.
The supplied recommendation is 30–40 ml per tree diluted in approximately 10 litres of water.
It should be diluted in water and applied as a soil drench around the drip circle or active root zone of the tree. Avoid pouring the solution directly against the trunk.
Based on the supplied recommendation, it should generally be applied approximately 60–90 days before expected flowering. The exact application window depends on tree age and crop conditions.
Yes. The supplied recommendations also include pomegranate, apple, grapes, onion, garlic and groundnut. Use only according to the respective crop recommendation and product label.
According to the supplied recommendation, 3–5 ml per 15 litres of water can be used as a foliar spray at the vegetative stage for onion, garlic and groundnut.
No. The recommended dose should not be exceeded. Excessive application can suppress plant growth and may adversely affect subsequent crop development.
Walstar Paclobutrazol 23% SC is useful for farmers who need to manage excessive vegetative growth and support flowering in mango and other recommended crops. Its gibberellin-inhibiting action helps regulate shoot development and supports the transition toward reproductive growth when applied at the proper stage, dose and application method.
For best results, select the dose according to crop and tree age and follow the application directions given on the original product label and accompanying leaflet.
Disclaimer: The details provided are for informational guidance only. Always adhere to the recommended application instructions as stated on the product label and in the accompanying leaflet.
No reviews yet.
