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2009 Weed Control Guide
for Vegetable Crops
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CROP INFORMATION
Asparagus
Beans
Beets
Broccoli
Brussels Sprouts
Cabbage
Carrot
Cauliflower
Celery
Chicory
Chinese Vegetables
Collards
Corn
Cucumber
Dill
Eggplant
Endive
Escarole
Garlic
Horseradish
Kale
Kohlrabi
Leek
Lettuce
Mint
Muskmelon
Mustard
Okra
Onion
Parsley
Parsnip
Peas
Pepper
Potato
Pumpkin
Radish
Rhubarb
Rutabaga
Spinach
Squash
Strawberry
Sweet Potato
Swiss Chard
Tomato
Turnip
Turnip Greens
Watermelon
Non-crop Land
STRAWBERRY
| Weed Problem | Chemical | Pounds Active Ingredient (AI)/Acre | Amount of Commercial Product/Acre |
Remarks and Limitations Items in bold have changed since the printed bulletin. |
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| Preemergence in spring or at renovation | acifluorfen (ULTRA BLAZER 2L) |
0.375 | 1.5 pt |
Apply as a broadcast spray after bed renovation. Make another application when plants are dormant in late fall. maximum 3 pt/acre/yr. 120 day PHI | ||||
| flumioxazin (CHATEAU 51WDG) |
0.096 | 3 oz |
Apply as a directed spray to row middles for preemergence control of annual broadleaves. Avoid contact with the crop. do not apply after fruit set. | |||||
| napropamide (DEVRINOL 50DF) |
3-4 | 6-8 lb |
Apply before weeds emerge to newly transplanted or established crop as a broadcast surface spray. Light rain or irrigation after application will improve weed control. May inhlbit daughter plant establishment. | |||||
| pendimethalin (PROWL H20 3.8 ACS) |
0.71-1.4 | 1.5-3.0 pt |
Apply to soil before transplanting. Another application may be made 35 days before harvest as a directed spray. Do not use under plastic. Max. of 6 pt/acre/yr. 35 day PHI. | |||||
| terbacil (SINBAR 80W) |
0.1-0.4 | 2-8 oz |
NEW PLANTINGS. Apply 2-3 oz after transplanting but before new runners start to root. If plants develop leaves before application, follow application with 0.5-1 inch irrigation to avoid crop injury. In late summer, apply 2-6 oz, or apply 2-4 oz just before mulching in late fall.
ESTABLISHED PLANTINGS. After renovation, apply 4-8 oz, or apply 4-8 oz just before mulching in late fall. |
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| Postemergence annuals | paraquat (GRAMOXONE MAX 3L) |
0.49 | 1.3 pt |
Apply as a directed spray, using shields to protect strawberry plants. Do not allow spray to contact strawberry plants. 21-day PHI. RUP. | ||||
| Postemergence broadleaves | 2,4-D amine salts (FORMULA 40 (3.8L)) |
0.93 | 1 qt |
Apply after harvest at renovation (after mowing). Do not apply to actively growing plants after August 1 or misshapen fruit may be produced the next season. | ||||
| clopyralid (STINGER 3L) |
0.125-0.25 | 5.3-10.7 fl oz |
Apply in spring or fall. Controls composite weeds, legumes. Maximum 2 applications and 10.7 fl oz/acre/year. Use low rate in spring. 30-day PHI. | |||||
| Postemergence grasses | clethodim (SELECT MAX 0.97E) |
0.068-0.12 | 9-16 fl oz |
Apply to actively growing grasses. Do not exceed 64 fl oz/acre/year. Include 0.25% NIS/acre. 4-day PHI. | ||||
| sethoxydim (POAST 1.5E) |
0.19-0.38 | 1-2 pt |
Apply to actively growing grasses. Use high rate on perennial grasses. Include 1 qt COC/acre. 7-day PHI. | |||||
| Postemergence perennials | glyphosate (ROUNDUP 4L) |
1-2 | 1-2 qt |
Apply before planting to kill perennials, or as a hooded or directed application between rows. 14 day PHI. | ||||