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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
BROCCOLI, BRUSSELS SPROUTS, CABBAGE, CAULIFLOWER (Seeded, transplanted)
| 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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| Emerged weeds before crop emergence | paraquat (GRAMOXONE MAX 3L) |
0.49 | 1.3 pt |
Apply before transplanting or before or after seeding but before crop emergence. Include 1 pt NIS/100 gal. RUP. | ||||
| Preemergence broadleaves | oxyfluorfen (GOAL 2XL) |
0.25-0.5 | 1-2 pt |
TRANSPLANTED only. Apply to soil after final tillage but before transplanting. Do not apply after transplanting. Use low rate on coarse, sandy soil. If plants contact treated soil, some foliar burn may occur. Do not use on brussels sprouts. Use with trifluralin or napropamide. | ||||
| sulfentrazone (SPARTAN 4F) |
0.07-0.188 | 2.25-6 fl oz |
PROCESSING CABBAGE. Apply before transplanting or as a directed spray between rows after transplanting. | |||||
| Preemergence grasses and broadleaves | clomazone (COMMAND 3ME) |
0.25-0.5 | 0.7-1.3 pt |
CABBAGE only. Apply before or after seeding or before transplanting. Use low rate for seeded cabbage. May cause early stunting or discoloration of cabbage. Controls velvetleaf. Observe rotational restrictions. 45-day PHI. | ||||
| napropamide (DEVRINOL 50DF) |
1-2 | 2-4 lb |
Apply before seeding or transplanting and incorporate 1-2 inches. May be applied after planting. Irrigate within 24 hours and soak soil 2-4 inches. Most effective in combination with Goal. | |||||
| s-metolachlor (DUAL MAGNUM 7.6E) |
0.48-1.2 | 0.5-1.3 pt |
CABBAGE only: Apply to soil surface before transplanting or within 48 hours after transplanting. Do not tank mix with Goal for post transplant application. See: www.farmassist.com to obtain label. 60-day PHI. | |||||
| trifluralin (TREFLAN 4E) (TRILIN 4E) |
0.5-1 | 1-2 pt 1-2 pt |
Apply and incorporate 2-3 inches before seeding or transplanting. Use low rate on sandy soils. Not effective on muck soils. Trifluralin may stunt transplanted crops or delay emergence of seeded crops when soil temperature is below 60 F. | |||||
| Postemergence broadleaves | clopyralid (STINGER 3L) |
0.094-0.188 | 4-8 fl oz |
Apply at any crop stage. Kills composite weeds, legumes, nightshade. Max. 2 applications and 8 fl oz/acre/year. 30-day PHI. | ||||
| Postemergence grasses | clethodim (SELECT MAX 0.97E) |
0.068-0.12 | 9-16 fl oz |
Include 0.25% NIS/acre in spray mix. Maximum 64 fl oz/acre/year. 30-day PHI. | ||||
| sethoxydim (POAST 1.5E) |
0.19-0.47 | 1-2.5 pt |
Apply to actively growing grasses. Use high rate on perennial grasses. Maximum of 3 pt/acre/year. Include 1 qt COC/acre. 30-day PHI. | |||||
| Postemergence perennials | glyphosate (ROUNDUP 4L) |
2-3 | 2-3 qt |
Apply to emerged perennials before planting in the spring or after harvest in the fall. Check label for best time of year, stage of growth and rate for each weed. | ||||