Herbicides |
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% of Crop Treated |
Pro |
Con |
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Soil-applied |
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Devrinol |
70% |
-labeled on multiple crops (Solanaceous), don't view as high risk for resistance |
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-Sensitive to sunlight - needs irrigation within 48 hours of application |
Treflan |
15% |
-low price |
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- cannot be used under plastic -must be mechanically incorporated |
Dual Magnum |
80% |
-controls galinsoga |
-can cause temporary stunting under plastic - cannot be sprayed over the pepper plant must be sprayed directly at the base of the plant -not a full season treatment option (better in the early season) -post transplant to best control pigweed |
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Prowl |
40-50% DE 60% NJ |
- inexpensive -long lasting -consistent -full season control |
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- cannot be used under plastic - can cause stunting in bare ground peppers - reccomended treatment for between rows
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Command |
50-60% NJ 70% DE |
-very effective on weeds it controls -full season control - backbone of the herbicide program with the exception of fields susceptible to drift injury -more bare ground land in DE MD than in NJ |
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-high potential for drift injury (roses,cherries, crabapple trees)
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Sandea |
25% |
- best nutsedge herbicide (as post-emergence) - good spectrum of control for broadleaf weeds |
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-resistance risk (ALS inhibitor) -can only be used inbetween rows of plastic mulch |
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Post-emergence |
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Aim |
1% -just labeled |
-better than gramoxone on nightshade -helps when used with gramoxone |
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- no residual activity - needs to be applied as a directed spray |
glyphosate products |
5-10% |
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-not for use inbetween rows because of crop death -diffucult to "wash"off plastic |
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Gramoxone products 1 |
90% plastic 0% bare ground |
-excellent burndown of seasonal annual weeds |
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-can only be used as direct spray between rows of peppers on plastic -drift will burn/speckle crop, focus on avoiding drift |
Poast and Select |
10-20% |
- excellent control of grassy weeds - good crop safety
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-resistance risk, single site of action |
Sandea |
20% plastic |
-best nutsedge product |
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-resistance risk -controls fewer species of weeds post-emergence than preemergence |
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