How To Use Rate
6–10 fl oz/A
Timing Method
Postemergence, preemergence, spring burndown
Broadcast application Minimum of 15 gal/A
Spray Volume
Adjuvant
Use either a crop oil concentrate or methylated seed oil, which contains at least 15% emulsifiers and 80% oil, when applying Perpetuo . Certain tank mixes require the use of a non-ionic surfactant. Non-ionic surfactant must contain at least 80% active ingredient.
Add Perpetuo to Fight Tough Weeds Through Canopy Nothing can eliminate everything; there are always new weeds coming. The length of a typical residual herbicide is six weeks, but control is not 100% during this period and control declines over time. Perpetuo can be applied over the top of emerged crops to provide extended residual weed control and help prevent late-season weed flushes. Overlapping Residuals Can Help Fight Tough Weeds Through Canopy
20
– Residual to canopy
– Residual up to 6 weeks
15
– Residual up to 8 weeks
– Residual to canopy
10
5
Preemergence— crop and weed
Postemergence—crop Preemergence—weed
Preemergence—crop and weed
0
May 10
May 14
May 17
May 21
May 24
May 29
June 4
June 7
June 10
June 13
June 19
June 24
June 27
July 1
July 5
July 10
July 16
July 29
Waterhemp Germination Window*
*Germination windows will vary based on location and local weather conditions. Source: Combination of University and internal trials
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