Protect Citrus from Heat Stress and Fruit Drop with Parka®
Parka reinforces the fruit and leaf cuticle to help citrus thrive under extreme heat. This added layer of protection plays a critical role throughout the growing season by reducing sunburn, minimizing heat stress and improving fruit retention.
Proven Benefits
- Minimizes sunburn damage by up to 48%.
- Prevents fruit flattening and dry, textural skin changes.
- Lowers ethylene production, preventing premature fruit drop.
- Increases yield, quality and size distribution.
- Reduces rind rot incident.
Sunburn Reduction with Parka
AVERGE SUNBURN ON CITRUS
Variety: Cara Cara, Sumo, Clementine. | Rate: 0.5 – 1 gal/ac
Applications: 3 to 6 applications starting in spring or early summer, repeating every 21-30 days.
Location: California, USA. | Source: Average of 6 replicated trials. 2020-2023.
Parka on Citrus: Sunburn Reduction
SUNBURN ON CITRUS
Variety: Cara Cara Orange. | Rate: 1 gal/ac
Applications: After initial fruit drop, +21 days, +21 days.
Location: California, USA. | Source: Bisabri Ag Research, 2023.
Sunburn Reduction on Mandarins with Parka
SUNBURN ON MANDARINS
Variety: Clementines. | Rate: Parka 1 gal/ac – CaCO3 2 gal/ac – Kaolin clay 50 lbs/ac
Applications: Parka: June 7th, +30 days, +30 days. CaCO3: June 7th, +20 days, +20 days.
Kaolin clay: June 7th, +30 days, +30 days.
Location: California, USA. | Source: Research for hire, 2021.
Key Issue: Rind Rot Incident Reduction
Effectiveness of Parka on rind breakdown reduction on Sumo citrus during California 2022 season. Parka Summer consisted of three applications every 21 days (June – July). Parka Fall program included two applications every 30 days (October – November). One of the treatments included three applications of Surround every 21 days (June – July) for summer programs comparison. Parka Fall program has shown to reduce rind rot 43.6% on average.
Yield Increase with Parka on Clementines
YIELD ON CLEMENTINES
Variety: Clementines. | Rate: 1 gal/ac
Applications: After initial fruit drop, +21-30 days, +21-30 days.
Location: California, USA. | Source: Sawtooth Ag Research, 2023.
Yield Increase with Parka on Mandarins
YIELD ON MANDARINS
Variety: Sumo. | Rate: 1 gal/ac
Applications: Fruit set, +21-30 days, +21-30 days.
Location: California, USA. | Source: Sawtooth Ag Research, 2023.
Application Directions:
Rate/ac (HA)
1 gal or 1% V/V/ac (9,5 L/ha)
For summer applications, apply at fruit set. Reapply every 21 days.
For winter applications, apply at senescence and prior to moisture events.
Product Downloads
Citrus + Kallur®
Improve Overall Color Distribution in Citrus with Kallur®
Kallur® is a potassium solution formulated with enhanced phospholipids to support citrus color development without accelerating ripening. By influencing anthocyanin production, the plant pigments responsible for coloration, Kallur promotes earlier, more uniform color development. The result: improved overall color distribution and packout.
Proven Benefits
- Improves coloring without accelerating ripeness.
- Increases first pick yield potential, potentially eliminating harvest trips.
- Earlier and more uniform fruit color.
- Easily tank mixed for stress-free applications.
- Excellent complement to the Parka program.
Application Directions:
Rate/ac (HA)
1 pt/ac
Apply 3 weeks before harvest and repeat 2 weeks after the first application.
