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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
BEANS (Snap or Lima)
| 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 or after seeding but before crop emergence. Include 1 pt NIS/100 gal. RUP. | ||||
| Emerged quackgrass | glyphosate (ROUNDUP 4L) |
2 | 2 qt |
Apply to 8- to 10-inch quackgrass in the fall or spring prior to planting. Allow at least 5 days before plowing. Include 1 pt NIS/acre. | ||||
| Preemergence grasses and broadleaves | clomazone (COMMAND 3ME) |
0.15-0.25 | 0.4-0.67 pt |
Apply to soil surface after seeding. Use lower rate on coarse soils. Controls velvetleaf and galinsoga. 45-day PHI. | ||||
| EPTC (EPTAM 7E) |
3 | 3.5 pt |
SNAP BEANS only. Apply before planting and incorporate 2-4 inches immediately. For dry conditions. | |||||
| halosulfuron (SANDEA 75W) |
0.023-0.047 | 0.5-1 oz |
Apply after seeding and before cracking. Maximum 1 oz/crop cycle; maximum 2 oz/acre/year in 2 crop cycles. 30-day PHI. | |||||
| imazethapyr (PURSUIT 2L) |
0.023-0.031 | 1.5-2 fl oz |
Apply PPI or PRE after seeding. Use low rate for snap beans and on sandy soils. Do not apply after June 30. 30-day PHI. OBSERVE CROP ROTATION RESTRICTIONS ON LABEL. | |||||
| pendimethalin (PROWL 3.8ACS) |
0.95-1.42 | 2-3 pt |
Apply before planting and incorporate 1-2 inches deep. Use high rate on soils with 3% or more organic matter. | |||||
| s-metolachlor (DUAL MAGNUM 7.6E) |
0.95-1.9 | 1-2 pt |
Use lower rate on sandy soils with less than 3% organic matter. Incorp. 1-2 inches before planting or apply preemergence. | |||||
| trifluralin (TREFLAN 4E) |
0.5-0.75 | 1-1.5 pt |
Apply before planting. Incorporate into soil 2-3 inches soon after spraying. Use lowest rate on sandy soils. Does not control ragweed. | |||||
| Preemergence annuals | fomesafen (REFLEX 2L) |
0.25-0.375 | 1-1.5 pt |
Good pre control of most annual broadleaves. Maximum of 1.5 pt pre and post in one year. Do not apply more than once in 2 yr to any soil. 30-day PHI. Most vegetable crops have an 18 month rotational restriction. | ||||
| Postemergence broadleaves | bentazon (BASAGRAN 4L) |
0.75-1 | 0.75-1 qt |
Apply after beans have more than 1 expanded trifoliate leaf to prevent crop injury. Two applications are needed for nutsedge and Canada thistle control. Do not apply more than 2 qt/acre/year. | ||||
| fomesafen (REFLEX 2L) |
0.125-0.25 | 0.5-1 pt |
Apply to beans with at least 1 trifoliate leaf. Maximum of 2 applications and 1.5 pt/acre/year. Include 0.25% NIS/acre. Do not apply to land more than once in 2 years. Most crops have an 18 month rotational restriction. 30-day PHI. | |||||
| halosulfuron (SANDEA 75W) |
0.023-0.035 | 0.5-0.67 oz |
Apply after bean 2 trifoliate leaf stage, but before flowering. Controls nutsedge. Do not exceed 1 oz/acre/year. 30-day PHI. | |||||
| imaxamox (RAPTOR 1 AS) |
0.031 | 4 fl oz |
Raptor must be applied in tank mix with basagran. Apply to beans with at least 1 trifoliate leaf and before bloom. Include 0.25% NIS in spray mix. Good control of several broadleaves and grasses. | |||||
| Postemergence grasses | clethodim (SELECT MAX 0.97E) |
0.068-0.12 | 9-16 fl oz |
Include 0.25% NIS/acre. One application per year. 21 day PHI. | ||||
| quizalofop (ASSURE II 0.88E) (TARGA) |
0.04-0.08 | 6-12 fl oz 6-12 fl oz |
SNAP BEANS only. Apply to actively growing grasses in 10-20 gpa. Include 1 qt COC or 0.5 pt NIS/acre. 30-day PHI. | |||||
| sethoxydim (POAST 1.5E) |
0.19-0.28 | 1-1.5 pt |
Dry and succulent beans. Apply to actively growing grasses. Maximum of 4 pt/acre/year. Add 1 qt COC/acre. 15-day PHI for succulent beans and 30 days for dry beans. | |||||