Southeastern U.S. Vegetable Crop Handbook - 2022 - 337

WEED CONTROL
TABLE 4-8. CHEMICAL WEED CONTROL IN COLE CROPS: BROCCOLI, CABBAGE, CAULIFLOWER (cont'd)
Weed
Herbicide,
Mode of Action Code*
and Formulation
caprylic acid, MOA 26
(Homeplate)
Amount of
Formulation
Per Acre
Pounds Active
Ingredient
Per Acre
See label
Precautions and Remarks
COLE CROPS: BROCCOLI, CABBAGE, CAULIFLOWER - Preplant and Preemergence (cont'd)
Broadleaf weeds and
some annual grasses
See label
Do not apply in cabbage except Chinese cabbage. May be applied prior to planting
as a burndown treatment for emerged weeds, as a preemergence application
after seeding but before emergence, as a directed or shielded application between
rows or as a postharvest application. Use higher spray volumes for high weed
density and weeds larger than 5 in. Coverage is important for acceptable weed
control. May be tank mixed with other herbicides. See label for further instructions.
Annual grasses and
small-seeded broadleaf
weeds
bensulide, MOA 8
(Prefar) 4 EC
trifluralin, MOA 3
(TreflanHFP, Trifluralin,
Trifluralin HF) 4 EC
DCPA, MOA3
(Dacthal) W-75
(Dacthal) 6 F
Annual grasses and
broadleaf weeds; weak
on pigweed spp.
Direct-seeded Cabbage
clomazone, MOA 13
(Command) 3ME
Transplanted Cabbage
clomazone, MOA 13
(Command) 3ME
Annual grasses and
broadleaf weeds, yellow
nutsedge suppression
S-metolachlor, MOA 15
(Dual Magnum) 7.62 EC
5 to 6
5 to 6 qt
0.5 to 0.75
1 to 1.5 pt
6 to 7.5
8 to 10 lb
8 to 10 pt
0.25
0.67 pt
0.25 to 0.5
0.67 to 1.3 pt
0.47 to 0.96
8 to 16 oz
Cabbage, direct seeded and transplanted; Chinese cabbage (Napa); Chinese
cabbage (Bok Choy); broccoli, and cauliflower. Chinese cabbage may be more
sensitive to injury from Dual magnum. This is a Section 24(c) Special Local Need
Label. Growers must make sure Dual Magnum is registered for use in their state
and to obtain the label prior to application. Irrigation following the application of
Dual Magnum will increase the risk of crop injury. Use lower rates on coarse-textured
soils and higher rates on fine-textured soils. See label for more information.
Mulched Systems with Transplanted Crop.
Option 1: Apply 8 to 16 oz per acre to the soil surface of pre-formed beds prior
to laying plastic. Ensure the plastic laying process does not incorporate or disturb
the treated bed. Unless restricted by other products, crops may be transplanted
immediately following Dual Magnum application.
Option 2: Apply 8 to 16 oz per acre overtop of crop at least 10 days after
transplanting to ensure root system is well developed. Does not control emerged
weeds. Limited data are available for NC. Read label for further instructions.
Bare Ground Application for Transplanted Crop. After transplanting, irrigate to
seal the soil around the transplanted root ball. Five to ten days after transplanting
and irrigating, apply Dual Magnum over the top of transplants. If soil is not sealed
around the transplant root ball, crop injury may occur.
Direct Seeded Application. May be applied over the top after the crop reaches a
minimum of 3 in. tall.
Row Middle Application to Transplanted and Direct Seeded Crop. Apply as a
banded application at a rate up to 1.25 pt per acre.
Hairy galinsoga,
common lambsquarters,
redroot pigweed, and
Palmer amaranth
Annual grasses and
small-seeded broadleaf
weeds, including
galinsoga, common ragweed,
and smartweed
Many broadleaf weeds,
including galinsoga,
common ragweed, and
smartweed
sulfentrazone, MOA 14
(Spartan) 4 F
napropamide, MOA 15
(Devrinol DF) 50 DF
(Devrinol DF-XT) 50 DF
(Devrinol 2-XT) 2 EC
oxyfluorfen, MOA 14
(Goal 2 XL, Galigan) 2 EC
(GoalTender) 4 E
2.25 to 4.5 oz
0.07 to 0.14 Cabbage (Transplanted Processing only). May be applied 60 days prior to
planting up to planting time. Application rate depends on soil type.
4 lb
4 lb
4 qt
1 to 2 pt
0.5 to 1 pt
*Mode of action (MOA) code developed by the Weed Science Society of America.
2
2
2
0.25 to 0.5
Includes Brussels sprouts. Apply to weed-free soil just after seeding or transplanting
as a surface application. Light cultivations, rainfall, or irrigation will be
necessary within 24 hr to activate this chemical. When applied to cooler soil
temperatures for a spring broccoli crop, transient stunting may occur.
Transplants only. Surface apply before transplanting. Do not incorporate or
knock the bed off after application. Do not spray over the top of transplants.
Oxyfluorfen is weak on grasses. Expect to see some temporary crop injury.
Apply broadcast to the soil prior to transplanting cabbage. See label for further
instructions.
Also labeled for Chinese broccoli, broccoli raab, Chinese cabbage (bok choy,
Napa), Chinese mustard cabbage (gai choy), and kohlrabi. Apply preplant or
preemergence after planting. With preemergence application, irrigate immediately
after application. See label for more directions.
Also labeled for Brussels sprouts. Apply and incorporate prior to transplanting.
Caution: If soil conditions are cool and wet, reduced stands and stunting may
occur. Direct seeded Cole crops exhibit marginal tolerance to higher than recommended
rates.
Also labeled for Brussels sprouts and all other Brassica (Cole) leafy vegetables
in this crop group. Apply immediately after seeding or transplanting. May also be
incorporated.
Apply to the soil surface immediately after seeding. See label for further instructions.
2022
Vegetable Crop Handbook for Southeastern United States
337
Southeastern U.S. Vegetable Crop Handbook - 2022

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