ReTain® Plant Growth Regulator for California
PGRs and Protectants
Extend Bloom. Increase Nut & Fruit Set.
ReTain® PGR for CA increases nut & fruit set in almonds, walnuts & cherries to optimize crop load potential. ReTain works by reducing ethylene production in blooms—delaying flower and stigmatic senescence. This results in flowers being viable longer, which allows more time for pollination to occur.
PGRs and Protectants
ReTain® PGR for CA Enhances Nut Set in Walnuts
ReTain® Plant Growth Regulator for California consistently increases nut set in walnut orchards that suffer from low nut set due to Pistillate Flower Abscission (PFA).
PGRs and Protectants
Run Stone Fruit Harvest on Your Schedule.
ReTain® PGR for California gives more flexibility and control of orchards by extending the harvest window and improving stone fruit quality. ReTain is proven to reduce preharvest fruit drop so yield doesn't fall to the ground giving more time to pick higher-quality fruit.
ReTain® Plant Growth Regulator for California increases nut and fruit set in almonds, walnuts and cherries to help ensure an optimum crop load potential. The naturally occurring active ingredient in ReTain works by reducing ethylene production in blooms thus delaying flower and stigmatic senescence. This effect results in flowers being viable longer, which allows more time for pollination to occur.
In addition, ReTain consistently increases nut set in walnut orchards that suffer from low nut set due to Pistillate Flower Abscission (PFA).
- Extends Pollination Period
- Improves Crop Load Potential
- Proven Technology for Fruit and Nut Set
- For Walnuts, Increases Yield in PFA-sensitive Walnut Varieties
- For Stone Fruit, Improved Fruit Quality and Harvest Management
Problems/Uses*
- Increases Nut/Fruit Set
Key Crops*
- Almond
- Apple
- Apricot
- Aprium
- Cherry
- Sweet Cherry
- Cucumber
- Nectarine
- Peach
- Pear
- Plum
- Plumcot
- Pluot
- Prune
- Walnut
* Not all crops are registered in every state.
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Almonds Quicksheet - ReTain PGR for California 2023-RETCA-8013
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Cherries Quicksheet - ReTain PGR for California 2024-RETCA-8011
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Stone Fruit Harvest Management Quicksheet - ReTain PGR for California 2023-RETCA-8016-R1
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Walnuts Quicksheet - ReTain PGR for California 2021-RETCA-8003
Sustainable Solutions Criteria – ReTain® Plant Growth Regulator for California
Valent U.S.A. has developed a classification system that defines and identifies sustainable practices and attributes applicable to our ag product portfolio across three pillars of sustainability – People, Planet, and Productivity. This system, called Sustainable Solutions Criteria, uses specific icons that highlight these key sustainable practices and attributes for our products. Products that achieve a high sustainable criterion ranking across all three sustainable pillars, such as ReTain® Plant Growth Regulator for California, are also denoted by the Sustainable Solutions Icon. Click on the icons below or the sustainable solutions icon to the right to learn how ReTain® Plant Growth Regulator for California can support sustainable practices in your operations.
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ReTain is a registered trademark of Valent BioSciences LLC.