|
2009 Weed Control Guide
for Vegetable Crops
|
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
GARLIC
| 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. |
||||
| Emerged weeds before crop emergence | paraquat (GRAMOXONE MAX 3L) |
0.64 | 1.7 pt |
Apply before or after planting but before crop emerges. Include 1 pt NIS/100 gal. Will kill small grains planted for windbreak and any emerged crop plants. 60-day PHI. RUP. | ||||
| Preemergence | flumioxazin (CHATEAU 51WDG) |
0.192 | 6 oz |
Apply within 3 days of planting. Controls most grasses and broadleaves. | ||||
| Preemergence annuals | bensulide (PREFAR 4E) |
5-6 | 5-6 qt |
Apply preplant or preemerge. Incorporate or water in. Not effective on high organic soils. | ||||
| pendimethalin (PROWL H20 3.8 ACS) |
0.7-1.4 | 1.5-3 pt |
Apply preemergence or postemergence at the 1- to 5- leaf stage. Follow with rainfall or irrigation within 7 days. Maximum 3.2 pt/acre/year. 45-day PHI. | |||||
| Preemergence and postemergence | ethofumesate (NORTRON 4SC) |
1.0 pre/0.5 post | 2 pt pre/1 pt post |
Apply after seeding or postemergence to small weeds. Controls chickweed, lambsquarters, nightshades, pigweed, smartweeds, mustards, nutsedge. Maximum 6 pt/acre/year. | ||||
| Preemergence grasses, nutsedge | dimethenamid-P (OUTLOOK 6E) |
0.56-0.98 | 12-21 fl oz |
Apply after the 2 leaf stage of seeded garlic. For transplanted garlic, allow soil to settle around plants for several days before application. Use low rate on sandy soil. 30 day PHI. | ||||
| Postemergence broadleaves | bromoxynil (BUCTRIL 4EC) |
0.25-0.5 | 0.5-1 pt |
Apply after garlic emerges but before it is 12 inches high. 112 day PHI in mineral soil; 60-day PHI in muck soil. | ||||
| oxyfluorfen (GOALTENDER 4SC) |
0.125-0.5 | 0.25-1.0 pt |
Apply 0.5 to 1 pt within 2 days of transplanting. Do not apply preemergence to seeded garlic. Another application may be made after 2 weeks. Maximum of 1 pt/acre/year. For postemergence, apply after garlic has 2 true leaves. 60 day PHI. | |||||
| Postemergence grasses | clethodim (SELECT MAX 0.97E) |
0.068-0.12 | 9-16 fl oz |
Apply to actively growing grasses. Include 0.25% NIS/acre. Maximum of 64 fl oz/acre/year. 45-day PHI. | ||||
| fluazifop-P (FUSILADE DX 2E) |
0.16-0.19 | 10-12 fl oz |
Apply to actively growing grasses. Maximum of 6 pt/acre. Include 1 qt COC or 1 pt NIS/acre. 45-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/acre. 30-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. | ||||