Prohexadione-Calcium 10% WP
Prohexadione-Calcium 10% WP is a plant growth regulator used to control excessive vegetative growth in registered crops. Its main role is to slow vigorous shoot extension, support better canopy balance, and help crops maintain a more compact and manageable structure. This formulation is best suited to crop programs where growth control matters more than growth stimulation.
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Prohexadione-Calcium 10% WP Description
Prohexadione-Calcium 10% WP Description
| Item | Details |
|---|---|
| Product Name | Prohexadione-Calcium 10% WP |
| Active Ingredient | Prohexadione-Calcium |
| Content | 10% |
| Formulation | WP |
| Product Type | Plant Growth Regulator |
| Main Mode of Action | Gibberellin biosynthesis inhibitor |
| Main Function | Vegetative growth control |
| Use Direction | Canopy management and shoot-growth suppression in registered crops |
| Application Method | Use according to the approved local label |
Main Functions
Prohexadione-Calcium 10% WP is mainly used to:
- Reduce excessive shoot growth
- Support canopy management
- Improve light and air movement through the canopy
- Help maintain a more compact crop structure
- Support a better balance between vegetative growth and productive growth
Its main technical value is straightforward: it is used where strong vegetative growth makes crop management more difficult or reduces canopy quality and production balance.
Mode of Action
Prohexadione-Calcium works by inhibiting gibberellin biosynthesis. Gibberellins are plant hormones involved in shoot elongation and vegetative growth. When gibberellin formation is reduced, shoot extension slows and the crop develops a more compact structure. That is why this active ingredient is used in crop programs that need growth regulation rather than extra vegetative stimulation.
Suitable Crops and Application Areas
Prohexadione-Calcium 10% WP is suited to registered crop programs where growth control is important. The strongest crop directions associated with this formulation include:
- Apple
- Pear
- Cherry
- Strawberry
- Peanut
- Grass grown for seed
- Watercress
These crop directions show the product’s main use pattern clearly: it fits crops where vegetative vigor must be controlled to support canopy structure, field or orchard management, and production balance. Final crop scope should follow the approved local label in the destination market.
Application Guidance
Prohexadione-Calcium 10% WP should be used according to the approved local label. Correct timing is important because this product is used to regulate active vegetative growth, not to correct crop structure after the main growth stage has already passed.
In general, this formulation is suitable when:
- the crop shows excessive vegetative growth
- shoot extension control is needed
- the canopy needs better light and air penetration
- the crop program requires a growth-regulating PGR rather than a growth-promotion product
Final timing, dosage, interval, and crop-specific directions should follow the approved local label.
Formulation Features
WP means wettable powder. This is a dry formulation that forms a spray suspension after mixing with water. In practical use, Prohexadione-Calcium 10% WP is a powder-format plant growth regulator suited to standard agricultural spray preparation in orchards, fields, and other registered crop systems.
Product Advantages
Prohexadione-Calcium 10% WP stands out for these reasons:
- Clear vegetative growth control function
- Gibberellin biosynthesis inhibition
- Strong fit for canopy management
- Useful in fruit-tree and other registered crop programs
- Traditional WP dry formulation
- Suitable for structured growth-regulation use
Its strongest product value is simple: Prohexadione-Calcium 10% WP helps reduce excessive shoot growth and supports a more manageable canopy structure in registered crops.
Safety and Use Precautions
Prohexadione-Calcium 10% WP should be handled carefully during mixing, spraying, storage, and transport. It should be used according to the approved local label and standard agricultural safety practice.
Important points include:
- keep away from food, feed, and drinking water
- avoid contamination of water bodies and non-target areas
- wear proper protective clothing, gloves, and face protection
- follow local requirements for spray timing, drift, and crop-use directions
- use only according to the approved local label
Storage and Transport
Store Prohexadione-Calcium 10% WP in the original sealed package in a cool, dry, and well-ventilated place. Keep it away from direct sunlight, moisture, heat sources, food, feed, and unauthorized access. Because this is a powder formulation, the packaging should be protected from:
- Humidity
- Water exposure
- Bag damage
- Rough handling during transport
Good storage helps keep the powder in stable condition before use.
FAQ
What kind of product is Prohexadione-Calcium 10% WP?
Prohexadione-Calcium 10% WP is a plant growth regulator used for vegetative growth control.
How does Prohexadione-Calcium 10% WP work?
It works by inhibiting gibberellin biosynthesis, which slows excessive shoot elongation and supports more compact growth.
What is Prohexadione-Calcium 10% WP mainly used for?
It is mainly used for shoot-growth suppression, canopy management, and vegetative growth control in registered crops.
What does WP mean in Prohexadione-Calcium 10% WP?
WP means wettable powder, a dry formulation mixed with water before spraying.
Which crops can use Prohexadione-Calcium?
Registered uses include crops such as apples, pears, cherries, strawberries, peanuts, grass grown for seed, and watercress, depending on local registration scope.




