roVral® flo is a Canola fUngiCiDE that Controls sClErotinia anD sUPPrEssEs altErnaria • Rovral fungicide has shown an average yield increase of 115% versus untreated checks • It is formulated as a fl owable and does not require surfactant • Rovral comes in an 8.4L jug; 2 per case. 1 case will treat 20 acres at the standard rate • Registered for 20-50% bloom, IDEAL is 20-30% bloom (4-8 days after the start of fl owering) • Spray when the fi eld is at its most yellow color, NO PETAL drop; NO POD formation • Weather Conditions – No real ideal conditions are required, best to apply when disease timing is correct • This product should not be applied under conditions where run-off is likely to occur • Insecticide tank-mixes – Recommend a jar test for compatibility
Think of the bloom period as a bell curve. If we apply a fungicide at 20-30%, and
- Earliest time to consider application
it provides 10-14 days control, we protect the largest area under the bell curve.
- Usually 4-6 days after the start of flowering - Approximately 15 flowers open on main stem
50% 30%
30% Bloom
70%
20%
- Ideal time for application
20%
- Usually 6-8 days after the start of flowering - Approximately 18-20 flowers open on main stem
Start
50% Bloom
Finish
- Correct time for 2nd application in a split application program - Usually 10-14 days after the start of flowering - Some petals have dropped and pod formation has started Restrictions
TIMELINE Too early: we leave ourselves susceptible to “late infection”
- Re-entry is 48 hours - Allow four hours before starting irrigation if it is used
Too late: we leave ourselves susceptible to “early infection”
- Water pH greater than 8.0 may cause efficacy loss - Do not apply to bodies of water
Learn More About Rovral Fungicide For more information visit www.FMCcrop.com.