NUFARM BOOST HERBICIDE is recommended for selective postemergence control or suppression of broadleaf weeds in wheat (spring, winter or durum), spring barley and oats not underseeded to legumes or grasses. NUFARM BOOST HERBICIDE is a 75% active ingredient herbicide formulated as a water dispersible granule.
NUFARM BOOST HERBICIDE is to be mixed with water and a recommended surfactant and applied as a uniform broadcast spray. It is noncorrosive, nonflammable, nonvolatile and does not freeze.
NUFARM BOOST HERBICIDE MUST be applied with a recommended surfactant, early postemergence, to the main flush of actively growing broadleaf weeds. Recommended surfactants are AGRAL 90, AG‐SURF, CITOWETT PLUS and LIBERATE. Warm, moist growing conditions promote active weed growth and enhance the activity of NUFARM BOOST HERBICIDE by allowing maximum foliar uptake and contact activity. Weeds hardened off by cold weather or drought stress may not be adequately controlled or suppressed and regrowth may occur. For best results, ensure thorough spray coverage of target weeds. See "DIRECTIONS FOR USE" section of this label for complete use details. NUFARM BOOST HERBICIDE stops growth of susceptible weeds rapidly. However, typical symptoms (discolouration) of dying weeds may not be noticeable for 1 to 3 weeks after application, depending upon growing conditions and weed susceptibility. Degree of control and duration of effect are dependent on weed sensitivity, weed size, crop competition, growing conditions at and following treatment, and spray coverage. Canola, flax, lentils and alfalfa may be planted two months after an application of NUFARM BOOST HERBICIDE. Any crop may be planted in the year following the use of NUFARM BOOST HERBICIDE. One 320 g container of NUFARM BOOST HERBICIDE treats 16 ha.
READ BEFORE USING Injury to or loss of desirable trees or vegetation may result from failure to observe the following:
Do not apply, drain or flush equipment on or near desirable trees or other plants, or on areas where their roots may extend, or in locations where the chemical may be washed or moved into contact with their roots.
Do not use on lawns, walks, driveways, recreational grounds or similar areas.
Prevent drift of spray to desirable plants.
Do not contaminate any body of water, including irrigation water that may be used on other crops.
Carefully observe sprayer clean‐up instructions, as spray tank residues may damage crops other than wheat, spring barley or oats.
Wheat, spring barley or oats may not be grazed or fed to livestock within 7 days of application.
Limit use of NUFARM BOOST HERBICIDE to currently licensed varieties of wheat (spring, durum, winter), spring barley and oats. Consult NUFARM AGRICULTURE INC. prior to use on unlicensed varieties for crop tolerance information. DO NOT USE ON LEGER SPRING BARLEY OR BELVEDERE WHEAT VARIETIES.
DO NOT APPLY BY AIR. Do not apply to irrigated land where tail water will be used to irrigate cropland.
Do not use on highly variable soils that have large gravelly or sandy areas, eroded knolls or calcium deposits.
Overspray or drift to important wildlife habitats such as shelterbelts, wetlands, sloughs or dry slough borders and woodlots should be avoided. Leave a 15‐meter buffer zone between the last spray swath and the edge of any of these habitats.
Apply with an adjuvant registered for use with NUFARM BOOST HERBICIDE.
Use only water as a carrier. Other carriers may accelerate breakdown of NUFARM BOOST HERBICIDE and reduce its effectiveness.
Do not apply to crops underseeded to legumes or grasses as injury to forage may result.
Application to crops that are stressed by severe weather conditions, frost, low fertility, water logged soil (soil at or near field capacity), disease or insect damage may result in crop injury. Drought, disease or insect damage following application may also result in crop injury.
Under certain conditions, such as heavy rainfall, prolonged cool weather, frost or wide fluctuations in day/night temperatures, temporary lightening in crop colour, and occasionally, a slight reduction in crop height may occur.
Do not apply more than 20 grams/hectare of NUFARM BOOST HERBICIDE per year.
Apply the spray mixture uniformly with properly calibrated ground equipment only. Ensure thorough coverage and a uniform spray pattern. Flat fan nozzles are recommended (minimum 55 litres spray volume per hectare). Use 50 mesh or larger filter screens (metal or nylon). A spray pressure of 210‐275 kPa is recommended. Continuous agitation is required to keep NUFARM BOOST HERBICIDE in suspension. Apply uniformly. Avoid overlapping and shut off spray boom while starting, turning, slowing or stopping to prevent crop injury from over application.
DIRECTIONS FOR USE
WHEAT (SPRING, DURUM, WINTER), SPRING BARLEY AND OATS
TIMING: Post‐emergent application from 2‐leaf to flag leaf (shot blade) growth stage of crop, prior to head emergence, but before the crop canopy will prevent thorough coverage of target weeds. For best results apply to young, actively growing weeds that are less than 10 cm in height or diameter. Thorough coverage of target weeds is essential.
TANK MIX COMPONENTS AND APPLICATION RATES
NUFARM BOOST HERBICIDE 20 grams/hectare
Adjuvants: AGRAL 90, AG‐SURF, CITOWETT PLUS, LIBERATE or NUFARM ENHANCE 2 litres/1000 litres of spray solution.
Do not allow the spray mixture to remain in the tank for more than 24 hours before spraying or the effectiveness may be reduced. If the spray mixture has been allowed to stand in the tank, use vigorous agitation to thoroughly disperse before resuming spraying. Use the spray preparation of NUFARM BOOST HERBICIDE within 24 hours or product degradation may occur. Use spray preparation containing ASSERT within 12 hours or product degradation may occur. If spray solution is left standing without agitation, thoroughly agitate and re‐suspend any settled NUFARM BOOST HERBICIDE before resuming the spraying operation.
NOTE: Do not mix NUFARM BOOST HERBICIDE with liquid fertilizers, substances that contain boron or substances that release free chlorine. Mixing NUFARM BOOST HERBICIDE with any of these compounds will result in an insoluble substance in the tank. Mixing Directions: Select a spray volume that will ensure thorough coverage and a uniform spray pattern. Use a minimum of 55 L of spray volume per hectare. If tank mixing with other herbicides, always consult the label of the tank mix partner(s) for minimum spray volume requirements and apply the tank mixture using a water volume recommended for all products.
1. Fill the spray tank 1/4 to 1/3 full with fresh water.
2. Add the required amount of NUFARM BOOST HERBICIDE to the spray tank while the agitator is running. Continuous agitation is recommended through the entire mixing procedure to ensure products are completely dissolved and/or in suspension.
3. After NUFARM BOOST HERBICIDE has been fully dissolved and is in suspension, other tank mix components may be added while continuing to fill the tank with water. The proper sequence for tank mix components is:
a. dry formulations
b. emulsifiable concentrates
c. adjuvants (recommended adjuvant must be added to improve wetting and contact activity)
d. If a drift control agent is to be tank mixed, it is to be added first.
4. Refer to specific tank mixes in the DIRECTIONS FOR USE section of this label for mixing order and other mixing instructions. For repeat loads, reduce the tank heel to 10% or less of the previous load. Fill tank with fresh water as described in step 1, and continue as directed. Emulsifiable concentrates may make dispersion of NUFARM BOOST HERBICIDE more difficult. For that reason, tank heels of the previous tank mix should be kept to 10% or less of the spray tank volume.
EQUIPMENT CLEANING INFORMATION
CAUTION: Do not use ammonia with chlorine bleach. Using ammonia with chlorine bleach will release a gas with a musty chlorine odour, which may cause eye, nose, throat, and lung irritation. Do not clean equipment in an enclosed area.
DO NOT CLEAN SPRAYER NEAR WELL OR WATER SOURCE OR NEAR DESIRABLE VEGETATION.
To avoid subsequent injury to crops other than wheat, spring barley or oats, immediately after spraying and prior to spraying other crops, thoroughly remove all traces of NUFARM BOOST HERBICIDE from mixing and spray equipment as follows:
1. Empty the tank and drain the sump completely. Remove any contamination on the outside of the spraying equipment by washing with clean water.
2. Spray the interior tank walls (including the lid) with clean water using a minimum volume of 10% of the tank volume. Add household ammonia (containing a minimum 3% ammonia) at a solution rate of 1 L/100 L water or ALLCLEAN Cleaner (or other similarly approved cleaner) to the tank. Circulate the water through the lines, including all by‐ pass lines, for at least two minutes. Flush the boom well and empty the sprayer. Completely drain the sump.
3. Repeat step 2. For this rinse, the addition of household ammonia or other cleaner is not required.
4. Remove the strainers, nozzles, tips and screens and clean separately in a bucket containing water and ammonia solution.
5. If only ammonia is used as a cleaner, the rinsate solution may be applied to the crop(s) listed on this label. Do not exceed the maximum‐labeled use rate. If other cleaners are used consult the cleaner label for rinsate disposal instructions. If no instructions are given, dispose of the rinsate on site or at an approved waste disposal facility.
For resistance management, NUFARM BOOST HERBICIDE is a Group 2 herbicide. Any weed population may contain or develop plants naturally resistant to NUFARM BOOST HERBICIDE and other Group 2 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 NUFARM BOOST HERBICIDE or other Group 2 herbicides 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 IPM program that includes scouting, historical information related to herbicide use and crop rotation, and considers tillage (or other mechanical), cultural, biological and other chemical control 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.
For further information or to report suspected resistance, contact Nufarm Agriculture Inc. at 1‐800‐868‐5444 or at www.nufarm.ca.
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