MasterLine QuincloracPlant Protection Product ComparisonPlant Protection Product ComparisonReport inaccuraciesReport inaccuracies

GENERAL INFORMATION

MASTERLINE QUINCLORAC Herbicide is a dry flowable herbicide for selective post-emergence control of green foxtail (including Group 1 and Group 3 resistant biotypes), volunteer flax, cleavers, and barnyard grass in hard red spring, Canadian prairie spring, durum, Canada Western extra strong wheats, spring barley and canary seed, canola (Brassica napus – all varieties, including conventional, Clearfield®, LibertyLink® and Roundup Ready®), Clearfield canola quality Brassica juncea (e.g. canola quality Brassica juncea varieties with the Clearfield trait) and brown and oriental tame mustard.

MASTERLINE QUINCLORAC Herbicide is a herbicide with mainly systemic action. Uptake into the plant occurs through both the foliage and root system. Thorough coverage of foliage is important for consistent weed control. Failure to penetrate crop or weed leaf canopies with the spray will result in inconsistent control of weeds growing underneath.
Visual symptoms of weed control of MASTERLINE QUINCLORAC Herbicide may take up to two weeks following application to develop. These symptoms include initial twisting to stunting, reddening and chlorosis about 14 days followed by necrosis and death about 21 days after application. Even though MASTERLINE QUINCLORAC Herbicide symptoms may take some time to develop, competition from the weeds treated with MASTERLINE QUINCLORAC Herbicide is eliminated soon after application.

DIRECTIONS FOR USE

Application Rate and Timing for Wheat, Spring Barley and Canary Seed
DO NOT APPLY BY AIR.
Apply MASTERLINE QUINCLORAC Herbicide at 135-165 g/ha when weeds are small and actively growing. MASTERLINE QUINCLORAC Herbicide will control the weeds at the timing detailed in Table
1. MASTERLINE QUINCLORAC Herbicide can be applied to wheat, spring barley and canary seed at the maximum application rates and timing detailed in Table 1.
Use the 135 g/ha rate ONLY for control of volunteer flax, barnyard grass, cleavers, lighter infestations
of green foxtail and suppression of annual and perennial sow-thistle. Use the higher rate of 165 g/ha for control of heavier infestations of green foxtail. (Do not use the 165 g/ha rate on barley.) Use only the 135 g/ha rate when applying MASTERLINE QUINCLORAC Herbicide to spring barley.
Improved cleavers control in canola may be accomplished using a rate of 62 g/ha when tank mixed with Liberty 150 SN Herbicide at a rate of 3.33 L/ha on Liberty Link Canola, or with glyphosate products (360 g/L acid equivalent (ae) isopropylamine salt formulations or 540 g ae/L potassium salt formulations) at a rate of 667 g ae/ha on Roundup Ready Canola. All glyphosate products must be registered for post-emergent use on glyphosate tolerant canola varieties. Application should be made from the 2 to 6 leaf stage of the canola crop when cleavers are between the cotyledon to 3 whorls stage.
DO NOT apply MASTERLINE QUINCLORAC Herbicide to any field more often than every second year. This practise must be respected in order to avoid potential injury to future rotational crops, to minimize the potential for carryover and accumulation of soil residues, and to reduce the selection pressure which could contribute to the development of resistant biotypes.
Early treatment of weeds with MASTERLINE QUINCLORAC Herbicide is important to maximize crop yield potential through elimination of early weed competition. Some initial crop injury may be observed after application, but this is usually outgrown and should not affect crop yield.

SPRAYING INSTRUCTIONS

Ground Application
Use sprayers equipped with standard flat fan pesticide nozzles with a spray volume of 100 L/ha at a constant pressure of 275-425 kPa. Tilt spray nozzles 45 degrees forward to ensure better coverage. The use of 50 mesh strainers and screens is recommended.
ADDITIVES
Always use MERGE adjuvant at 1.0% v/v for optimum performance of MASTERLINE QUINCLORAC Herbicide.
TANK MIX COMBINATIONS (BARLEY, WHEAT AND CANARY SEED APPLICATIONS ONLY):
For the appropriate rate of MASTERLINE QUINCLORAC Herbicide, refer to the Application Rate and
Timing section of the label.

Broadleaf Weed Control
Although MASTERLINE QUINCLORAC Herbicide provides control of several broadleaf weeds, a tank mix with a broadleaf compound is required to give broad spectrum broadleaf weed control in wheat.
For additional control of broadleaf weeds in barley and wheat, MASTERLINE QUINCLORAC Herbicide can be tank mixed with any of the broadleaf herbicides listed in Table 2. When tank mixing MASTERLINE QUINCLORAC Herbicide with these broadleaf herbicides, a slight reduction in control of green foxtail may be observed. The level of green foxtail control may be improved by using the 165 g/ha rate of MASTERLINE QUINCLORAC Herbicide in the tank mixture for wheat only.
Refer to Table 2 for appropriate use rates and timing of crop applications. Always Rrefer to the labels of all tank mix partners and observe the most restrictive application directions, restrictions, precautions and personal protective equipment of all tank mix partners.

Wild Oat Control
For control of wild oats when populations are between 1-200 plants per square metre and certain broadleaf weeds, MASTERLINE QUINCLORAC Herbicide can be tank mixed with AVENGE 200-C herbicide at the rate of 3.5 L/ha and one of the broadleaf herbicides as listed in Table 2. USE ONLY ON SPRING WHEAT VARIETIES LISTED ON THE AVENGE 200-C HERBICIDE LABEL.
AVENGE 200-C herbicide can cause some crop injury. Refer to the Table 2 for appropriate use rates and timing of crop application. Refer to the labels of all tank mix partners (e.g., AVENGE 200-C herbicide and the broadleaf herbicide) and observe the most restrictive application directions, restrictions, precautions and personal protective equipment of all tank mix partners.

RECROPPING
Due to the residual activity of MASTERLINE QUINCLORAC Herbicide in the soil, land treated with MASTERLINE QUINCLORAC Herbicide cannot be rotated to crops other than specified in Table 3. To avoid injury to rotational crops, the minimum recropping intervals in Table 3 must be followed.
MASTERLINE QUINCLORAC Herbicide should not be used on land where potatoes or vegetables are part of the rotation.
The company recommends that a field bioassay (a test strip grown to maturity) be conducted the year before growing any crops other than those listed in Table 3.
On lighter soils with low organic matter or under dry conditions, some crop injury may occur particularly in flax and lentils but will not reduce yield. Under these conditions, the minimum recropping interval for flax and lentils should be extended by 12 months.

Refer to the broadleaf or AVENGE 200-C herbicide label for specific additional recropping restrictions.

RESTRICTIONS AND LIMITATIONS
1. Do not apply MASTERLINE QUINCLORAC Herbicide when weather conditions may cause spray drift from treated areas to adjacent crops. Certain crops such as alfalfa, clover species, fababeans, flax, lentils, ornamentals, potatoes and vegetables will be injured by spray drift of MASTERLINE QUINCLORAC Herbicide.
2. Do not apply MASTERLINE QUINCLORAC Herbicide to wheat, spring barley and canary seed under seeded to forages.
3. Do not apply MASTERLINE QUINCLORAC Herbicide to wheat, spring barley, canary seed, canola, Clearfield canola quality Brassica juncea or tame mustard that has been subjected to stress from conditions such as frost, hail damage, flooding, drought, extended cold period, etc.
4. Rainfall within 6 hours after application may reduce effectiveness of spray.
5. When MASTERLINE QUINCLORAC Herbicide is applied beyond the recommended growth stages, limited crop injury and/or unsatisfactory weed control may result.
6. Cool weather conditions or drought will delay herbicide activity and if prolonged, may result in poor weed control.
7. Do not use MASTERLINE QUINCLORAC Herbicide with additives, pesticides or fertilizers not specifically recommended on this label.
8. Allow 4 days between application of MASTERLINE QUINCLORAC Herbicide and any other chemical not recommended as a tank mix combination on this label.
9. MASTERLINE QUINCLORAC Herbicide must not be applied within 77 days of harvest of canary seed and wheat and within 60 days of harvest of canola and within 80 days of harvest of spring barley.
10. Spring barley treated with MASTERLINE QUINCLORAC Herbicide is NOT TO BE USED FOR HUMAN CONSUMPTION.
11. Canary seed treated with MASTERLINE QUINCLORAC Herbicide is NOT TO BE USED FOR HUMAN CONSUMPTION OR FED TO LIVESTOCK.
12. Apply using ground equipment only. DO NOT APPLY BY AIR.
13.Overspray or drift into important wildlife habitats such as shelterbelts, wetlands, woodlots, vegetated ditch, ponds and lake banks and other cover on the edges of fields should be avoided. A 10-metre buffer zone should be observed adjacent to aquatic habitats such as streams, ponds, rivers and lakes and to areas that drain into these habitats. When a tank mixture is used, consult the label of the tank mix partners and observe the largest (most restrictive) buffer zone of the products involved in the tank mixture.
14. Do not graze the treated crops or cut for hay within 77 days of application.
15. Grain and meal from treated canola can be fed to livestock. DO NOT graze or feed other portions of the treated canola to livestock.

MIXING
1. Thoroughly clean the sprayer prior to use. For appropriate cleaning instructions, refer to the label of the product sprayed previous to application of MASTERLINE QUINCLORAC Herbicide.
2. Fill the clean spray tank half full with clean water. Start agitation or by-pass system. Agitation should be running during the entire mixing procedure.3. Add the correct amount of MASTERLINE QUINCLORAC Herbicide and agitate 2 to 3 minutes.
4. Add the correct amount of broadleaf herbicide, followed by AVENGE 200-C herbicide, if required. When mixing MASTERLINE QUINCLORAC Herbicide with EXPRESS PACK, EXPRESS herbicide must be completely in suspension in the spray tank prior to adding 2,4-D herbicide.
NOTE: On repeat tank loads of either EXPRESS PACK or REFINE EXTRA herbicide, prepare an EXPRESS/water or REFINE/water slurry in a separate container with clean water before adding to the spray tank.
5. Add the correct amount of MERGE adjuvant and agitate 2 to 3 minutes.
6. Add remainder of water to the spray tank and maintain sufficient agitation during mixing and spraying to ensure a uniform spray mixture.
7. For sprayer clean-up, refer to the sprayer clean-up section.
8. Consult the broadleaf or AVENGE 200-C herbicide label for additional application instructions, use precautions and recropping information.

SPRAYER CLEAN-UP
Certain crops such as alfalfa, clover species, fababeans, flax, lentils, ornamentals, potatoes, tomatoes and vegetables are particularly sensitive to MASTERLINE QUINCLORAC Herbicide. To avoid injury to subsequent crops other than wheat, the sprayer should be thoroughly cleaned immediately after use and prior to spraying other crops by performing the following steps:
1. Following spray application, drain any remaining spray solution, then flush the tank, boom and hoses with clean water until any visible residues are removed. (Repeat step 1, if necessary.) DO NOT CLEAN SPRAYER NEAR DESIRABLE VEGETATION OR NEAR WELL OR WATER SOURCE.
2. Completely fill spray tank with clean water while adding 1 litre of household ammonia (containing 3% ammonia) per 100 litres of water or a commercially licensed tank cleaner such as FINNISH®. Reduce the amount of ammonia added proportionally if higher concentrations (%) of ammonia are used. Flush the solution through the boom and nozzles and then add more water to completely refill the tank. Agitate the solution for at least 15 minutes and then flush the boom and nozzles until the spray tank is empty.
3. Remove the nozzles and screens and clean separately in a bucket containing a cleaning agent and water.
4. Repeat step 2.
5. Thoroughly rinse the tank with clean water and flush the water through the boom.

RESISTANCE-MANAGEMENT RECOMMENDATIONS
For resistance management, MASTERLINE QUINCLORAC Herbicide is a Group 4 herbicide. Any weed population may contain or develop plants naturally resistant to MASTERLINE QUINCLORAC Herbicide and other Group 4 herbicides. The resistant biotypes may dominate the weed population if these herbicides are used repeatedly in the same field. Other resistance mechanisms that are not linked to site of action, but specific for individual chemicals, such as enhanced metabolism, may also exist. Appropriate resistance-management strategies should be followed.
To delay herbicide resistance:
Where possible, rotate the use of MASTERLINE QUINCLORAC Herbicide or other Group 4 herbicides within a growing season (sequence) or among growing seasons with different herbicide groups that control the same weeds in a field.
Use tank mixtures with herbicides from a different group when such use is permitted. To delay resistance, the less resistance-prone partner should control the target weed(s) as effectively as the more resistance-prone partner.
Herbicide use should be based on an integrated weed management program that includes scouting, historical information related to herbicide use and crop rotation, and considers tillage (or other mechanical control methods), cultural (for example, higher crop seeding rates; precision fertilizer application method and timing to favour the crop and not the weeds), biological (weed-competitive crops or varieties) and other management practices.
Monitor weed populations after herbicide application for signs of resistance development (for example, only one weed species on the herbicide label not controlled). If resistance is suspected, prevent weed seed production in the affected area if possible by an alternative herbicide from a different group. Prevent movement of resistant weed seeds to other fields by cleaning harvesting and tillage equipment when moving between fields, and planting clean seed.
Have suspected resistant weed seeds tested by a qualified laboratory to confirm resistance and identify alternative herbicide options.
Contact your local extension specialist or certified crop advisors for any additional pesticide resistance-management and/or integrated weed-management recommendations for specific crops and weed biotypes.