apple orchard


The time for summer cover sprays is upon us, meaning fewer available hours in the sprayer seat. With summer weather becoming increasingly unpredictable, it is important to ensure developing fruit is covered to maintain quality at harvest and in storage.

allegro logo


Have you considered Allegro?  

With its liquid formulation, activity on tough diseases, wide application window, and a generous application limit of five applications per year, Allegro® (Group 29) is a great option to break up your fungicide rotation. Check out the label or chart below for more information on how and when to use Allegro as part of your summer spray program. 

PestUse rateComments
Control of: 
Apple scab 
Fly speck
Sooty blotch
200-400mL/ac
(0.5-1.0L/ha)
Begin applications before disease occurs and continue on a 7-14 day schedule. Use higher rate and shorter interval when disease pressure is high (warmer, wet weather)
Control of:
Cedar apple rust
Bitter rot
Alternaria blotch

Suppression of mites:
Two-spotted spider mite,
European red mite,
​​​​​​​Apple rust mite
300-400 mL/ac
(0.75 – 1.0L/ha)
7-10 day schedule, shortening interval and high rate when pressure is high
Suppression of: 
Black rot
Brooks spot
Quince rust
400 mL/ac
(1.0L/ha)

When applying as a summer cover spray, apply on a 7 day schedule. Note: 28d PHI


Note that without prior experience in your orchard, and especially during periods of high humidity and high temperatures, it is not recommended to tank mix Allegro with mineral oils.  

Looking for a bit more? 

Check out the video below as David Jefferson, Horticulture Specialist, explores how Allegro can be used throughout the season in your orchard.  




For more information contact your trusted retail partner or local Syngenta representative.

Always read and follow label directions. The Syngenta logo is a trademark of a Syngenta Group Company. Allegro® is a registered trademark of ISK Biosciences Corporation. All other trademarks are the property of their respective owners.