Longbow™ EC

SELECTIVE HERBICIDE

New from Nufarm, Longbow™ EC Selective Herbicide spans multiple row and specialty crops to strengthen control of broadleaf weeds. At very low use rates, Longbow is an excellent tank mix partner with most burndown, non-selective herbicides to add residual punch for long term broadleaf weed control. Ideal pre-plant tool, particularly in no-till situations.


at-a-glance info

EPA REG. NO.: 71368-133
ACTIVE INGR.: carfentrazone-ethyl (22.3%, 2 lb ai/gal) 
FORMULATION: emulsifiable concentrate
CHEM. FAMILY: triazolinone
GROUP NO.: 14
MODE OF ACT.: PPO inhibitor 
REI: 12 hours
SIGNAL WORD: caution
RESTRICTED: no
PACKAGE SIZE: 1 quart container (4 per case)

competitive advantages

FLEXIBLE TANK-MIX TOOL FOR BETTER RESULTS
• Wide spectrum broadleaf weed control
• Fast-acting weed control
• Very broad crop spectrum
– Compatible with more than 45 crops or crop groups
• Excellent tank-mix partner
• Low use rates 
• Labeled for herbicide and harvest aid uses
• Convenient package size for easy handling

 

Application

USE SUMMARY – SOYBEANS

Apply Longbow™ EC alone or as a tank mixture with other herbicides to emerged and actively growing weeds. Apply to soybeans in all tillage systems from prior to planting up to prior to emergence. Do not apply Longbow EC during a period from emergence to V2. After plants have reached V3, hooded sprayers or directed applications are allowed up to V10. For optimum performance, make application to actively growing weeds up to 4 inches tall and rosettes less than 3 inches across. Use the higher rates when treating more mature weeds or dense vegetative growth. 

Preplant burndown: Apply up to 1.5 fl oz (0.023 lb ai) per acre

Tank mix: Longbow EC may be tank mixed with other herbicides to control weeds not listed on the label.

Do not use with diphenylether herbicides (oxyfluorfen and acifluorfen). 

Read and follow label directions for all companion herbicides and follow specific directions on the Longbow EC label.

 

USE SUMMARY – CORN

Apply Longbow EC alone or as a tank mixture with other herbicides to emerged and actively growing weeds. Apply to corn in all tillage systems from prior to planting up to 14-leaf collar growth stage. When applying to corn greater than V8 stage, utilize drop nozzles aligned between the rows with directed application to reduce contact with the corn foliage and improve contact with the weeds. For optimum performance, make application to actively growing weeds up to 4 inches high and rosettes less than 3 inches across. 

Preplant Burndown: Up to 2.0 fl oz (0.031 lb ai) per acre

Post-emergence (broadcast): Up to 1.0 fl oz (0.016 lb ai) per acre

Broadcast applications: Use Longbow EC Herbicide at 0.5 to 1.0 fl oz as a broadcast application using a minimum of 10 gallons per acre of spray volume by ground or 3 gallons per acre by air. Broadcast applications may be applied through V8 stage corn.

Tank mix: Longbow EC may be tank mixed with other herbicides to control weeds not listed on the label.

Read and follow label directions for all companion herbicides and follow specific directions on the Longbow EC label. When tank mixing Longbow EC with other labeled corn herbicides, use adjuvants as directed by the tank mix partner’s label.

 

USE SUMMARY – COTTON

Maximum rate per year: 7.9 fl oz (0.124 lb ai) per acre total for preplant, in-season weed control and harvest aid

3.2 fl oz (0.05 lb ai) per acre if only used as a harvest aid

Pre-harvest interval: 7 days

MANAGED MATURITY APPLICATION FOR COTTON

Apply Longbow™ EC as an aid to remove undesirable top growth and reduce unproductive terminal growth. 

• Use rates: Apply as a broadcast spray at 0.25 fl oz to 0.5 fl oz/A, targeting 0.375 fl oz/A in spray volume to obtain upper canopy coverage. 

• Apply when cotton is actively growing and the plants have 1%–25% open bolls with 20% open bolls being optimum. 

DEFOLIATION / HARVEST AID APPLICATION

Apply Longbow EC as a harvest aid to defoliate and desiccate cotton and troublesome weeds that may be present at harvest.

• Use rates: Apply up to 1.6 fl oz in spray volume sufficient for complete coverage. Repeat application if necessary to remove remaining foliage or control regrowth. Do not apply more than 3.2 fl oz/A total as a harvest aid. 

• Make application when 60%–70% of the bolls are open, or according to extension guidelines in the use area.

Read and follow label directions for all companion herbicides and follow specific directions on the Longbow EC label.

USE LONGBOW EC AS A STANDALONE OR IN COMBINATION WITH OTHER PRODUCTS, DEPENDING ON YOUR NEEDS.

USE SUMMARY – POTATO

Vine desiccation: Apply Longbow® EC, at 3.2–5.8 fl oz (0.05–0.09 lb ai) per acre (2.0–5.8 oz with other registered potato desiccants) foliar to potatoes in the later stages of senescence for desiccation of potato foliage and vines. Longbow EC will also desiccate late season susceptible broadleaf weeds to aid in tuber harvest. Adequate desiccation is achieved within 14 days after the initial treatment is applied. If the potato crop is in the active vegetative growth stage when desiccation is initiated, two applications may be required to provide desiccation of leaf and stem tissue. Dense potato canopy, large plant size and environmental conditions not conducive to product absorption or activity will reduce initial application efficacy and increase the need for a second application. If a second application is necessary, apply at 7–14 days after the first application. Thorough coverage of the potato plant to be desiccated is essential. Use a sufficient volume of water to obtain thorough coverage of the potato leaves and vines. Do not apply within 7 days of harvest.

Tank mix: Apply Longbow EC as a tank mix or as a sequential application with other potato desiccants. Refer to the other product’s label for restrictions on tank mixing, and observe all label precautions, instructions and rotational cropping restrictions.

Maximum rate per year: 11.6 fl oz/A

 

USE SUMMARY – TREE FRUIT (POME, STONE AND CITRUS) AND NUT TREE

Apply Longbow EC up to 2 fl oz (0.031 lb ai) per acre for post-emergence control of susceptible broadleaf weeds. Refer to weed control list in Table 3 of the label for appropriate weed control information. For best control, apply to seedling weeds in the 2–3-leaf stage. For larger weeds up to 6 leaves, use higher labeled rates of Longbow EC. Weeds greater than 6 leaves may be only partially controlled.

Tank mix: If Longbow EC is used in a tank mixture, observe the other product’s label for restrictions, precautions, and rotational cropping instructions.

Maximum rate per year: 7.9 fl oz/A

 

USE SUMMARY – GRAPE

Longbow EC may be applied at up to 2 fl oz (0.031 lb ai) per acre for post-emergence weed control or for sucker control.

Apply Longbow EC alone or as a tank mixture with other herbicides as a post-emergence directed spray treatment or as a hooded spray treatment to control emerged and actively growing weeds. Apply Longbow EC to middles (between rows of plants) and in strips (in row of plants). Apply Longbow EC at any time during the season (see precautions in the label). Longbow EC may be mixed with other herbicides that have pre-emergence or post-emergence activity. Any pre-emergence activity must rely on activity from other herbicides as directed on their labels. Herbicides such as glyphosate may be tank mixed with Longbow EC for broader spectrum weed control. If Longbow EC is used in a tank mixture, observe the other product’s label for restrictions, precautions and rotational cropping instructions.

Sucker control: Longbow EC is effective as an aid in the management of undesirable sucker growth from the base of vine trunks or root sprouts. Suckers and other undesirable growth must be treated when the tissue is young and not mature and/or hardened off. Care must be taken not to allow spray mist to contact desirable fruit or foliage or green stem tissue (see precautions in the label). Application of Longbow EC with other sucker control herbicides is allowed.

Restrictions: Do not allow Longbow EC spray mist to come in contact with desirable fruit, green stem tissue, foliage or blooms.

Maximum rate per year: 7.9 fl oz/A

 

Key uses

Alfalfa
Corn
Cotton – harvest aid and herbicide
Grape
Peanuts
Potato
Rice (southern states)
Sorghum
Soybeans
Spring and winter wheat
Sunflowers
Sugarcane
Tree fruit
Tree nut

 

key weeds controlled

(See product label for complete list)

Amaranth; Palmer, spiny
Carpetweed
Cocklebur
Kochia
Lambsquarters, common
Mallow, common
Morningglory
Nettle, burning
Nightshade; Eastern black, hairy
Pennycress, field
Pigweed; prostrate, redroot, smooth, tumble
Purslane, common
Shepherd’s-purse
Spurge, prostrate
Thistle, Russian (up to 2” tall)
Velvetleaf (24”)
Waterhemp; common, tall

See label for a list of weeds where Longbow EC adds faster or improved control by tank-mixing with other common herbicides.