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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
PEPPER (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 | paraquat (GRAMOXONE MAX 3L) |
0.56-1 | 1.5-2.7 pt |
Apply before to control emerged weeds. Include 1 pt NIS/100 gal. RUP. | ||||
| Preemergence | clomazone (COMMAND 3ME) |
0.375-1 | 1-2.7 pt |
ALL PEPPERS EXCEPT BANANA. Apply before transplanting. Set plant roots below herbicide. | ||||
| napropamide (DEVRINOL 50DF) |
1-2 | 2-4 lb |
Apply before planting. Incorporate 1-2 inches. Use lower rate on coarse, sandy soils and higher rate on heavy, clay soils. | |||||
| pendimethalin (PROWL H20 3.8 ACS) |
0.48-1.4 | 1-3 pt |
Apply preplant incorporated or to soil surface before transplanting, or as a directed application after planting. Do not apply over the top of transplants. Needs water for activation. 70 day PHI. | |||||
| s-metolachlor (DUAL MAGNUM 7.6E) |
0.48-0.95 | 0.5-1 pt |
BELL PEPPERS only. Apply to soil surface before or within 48 hr after transplanting. Do not incorporate. Suppresses nutsedge and nightshade. 60-day PHI. See: www.farmassist.com to obtain label. SLN label. | |||||
| trifluralin 4EC |
0.5-1 | 1-2 pt | Apply before transplanting. Incorporate 2-3 inches soon after application. Use lower rate on sandy soils. | |||||
| Postemergence broadleaves | halosulfuron (SANDEA 75W) |
0.023-0.047 | 0.5-1 oz |
Apply as a directed spray to row middles for control of emerged nutsedge and broadleaves. Avoid contact with crop or plastic. Include 0.25% NIS. Maximum 2 oz/acre/year in 2 applications. 30 day PHI. | ||||
| Postemergence emerged weeds | paraquat (GRAMOXONE MAX 3L) |
0.49 | 1.3 pt |
Use shields to protect crop. Apply in 20-30 gal water/acre. Do not exceed 30 PSI pressure. Do not allow spray to contact crop foliage. Maximum 3 applications/year. 30-day PHI. | ||||
| Postemergence grasses | clethodim (SELECT MAX 0.97E) |
0.068-0.12 | 9-16 fl oz |
Apply to actively growing grasses. Maximum 64 fl oz/acre/year. Include 0.25% NIS/acre. 20-day PHI. | ||||
| sethoxydim (POAST 1.5E) |
0.19-0.28 | 1-1.5 pt |
Apply to actively growing grasses. Include 1 qt COC/acre. Maximum total of 4.5 pt per acre. 20-day PHI. | |||||
| Emerged perennials | glyphosate (ROUNDUP 4L) |
2-3 | 2-3 qt |
Apply to emerged perennials before planting the crop. Wait 3 days before planting. | ||||