FALLOW CROPLAND (NOT ROTATED TO BROADLEAF CROPS) - FIELD BINDWEED
In areas west of the Mississippi River, use Terva 22K to control susceptible broadleaf weeds and woody plants on rangeland and permanent grass pastures, fallow cropland, spring-seeded wheat, barley and oats not underseeded with a legume, non-cropland, and on Conservation Reserve Program (CRP) acres. This product is NOT for sale or use in the San Luis Valley of Colorado.
PRECAUTIONS AND RESTRICTIONS
Use this product only as specified on the label.
Observe any special use and application restrictions and limitations including method of application and permissible areas of use as promulgated by state or local authorities.
Do not mix with dry fertilizer.
Chemigation: Do not apply this product through any type of irrigation system.
Grazing Poisonous Plants: Application of this herbicide may increase the palatability of certain poisonous plants. Do not graze treated areas until poisonous plants are dry and no longer palatable to livestock.
Maximum Use Rates:
Non-cropland Areas: Total use of picloram including re-treatments or spot treatments must not exceed 1 lb a.i. per acre picloram (2 quarts per acre Terva 22K) per annual growing season.
Rangeland and Permanent Grass Pastures: For control of noxious weeds as defined by federal, state, or local authorities, picloram may be applied at up to 1 lb a.i. per acre (2 quarts Terva 22K per acre) per annual growing season as a broadcast treatment. Spot treatments may be applied at the equivalent broadcast rate of up to 1 lb a.i. picloram (2 quarts Terva 22K) per acre.
For control of other broadleaf weeds and woody plants, picloram may be applied broadcast at up to 0.5 lb a.i. per acre (1 quart Terva 22K per acre) per annual growing season. Apply spot treatments at an equivalent broadcast rate of up to 1 lb a.i. per acre (2 quarts Terva 22K per acre) per annual growing season, but not more than 50% of an acre may be treated. Repeat treatments may be applied as necessary, but total use must not exceed the maximum amount specified.
Cropland (Spring-Seeded Wheat, Barley and Oats): Do not apply more than 0.09 lb a.i. picloram (1.5 fluid ounces of Terva 22K) per acre during the small grain growing season.
Fallow Cropland (Not Rotated to Broadleaf Crops): Do not apply more than 0.25 lb a.i. picloram per acre (1 pint per acre of Terva 22K) as a broadcast treatment per annual growing season.
Conservation Reserve Program (CRP) for Seeding to Permanent Grasses Only: Do not broadcast apply more than 0.5 lb a.i. per acre of picloram (1 quart per acre of Terva 22K) per annual growing season or apply more than 1 lb a.i. per acre picloram (2 quarts per acre of Terva 22K) per annual growing season as a spot application. To reduce potential damage to subsequent small grain crops, use the lower specified rate or discontinue the use of Terva 22K at least 2 years prior to the seeding of small grain crops. After CRP, do not plant broadleaf crops in treated acres until an adequately sensitive bioassay shows that no detectable picloram is present in the soil.
Precautions for Avoiding Injury to Non-Target Plants
- Do not move treated soil to other areas or use it to grow plants if they are not registered for use with picloram until an adequate sensitive bioassay or chemical test shows that no detectable picloram is present in the soil.
- Do not spray if the loss of forage legumes, including clover cannot be tolerated. Terva 22K may injure or kill legumes. New legume seedlings may not grow for several years following application of this product.
- Do not make application when circumstances favor movement from treatment site.
- Do not rotate to food or feed crops on treated land if they are not registered for use with picloram until an adequately sensitive bioassay or chemical test shows that no detectable picloram is present in the soil.
- Do not contaminate water intended for irrigation or domestic purposes. To avoid injury to crops or other desirable plants, do not treat or allow spray drift or runoff to fall onto banks or bottoms of irrigation ditches, either dry or containing water, or other channels that carry water that may be used for irrigation or domestic purposes.
- Do not apply Terva 22K on residential or commercial lawns or near ornamental trees and shrubs. Untreated trees can occasionally be affected by root uptake of herbicide through movement into the topsoil or by excretion of the product from the roots of nearby treated trees. Do not apply Terva 22K within the root zone of desirable trees unless such injury can be tolerated.
- Allow 7 days of grazing on an untreated grass pasture (or feeding of untreated hay) before transferring livestock from treated grazing areas (or feeding of treated hay) onto sensitive broadleaf crop areas; otherwise, urine and manure may contain enough picloram to cause injury to sensitive broadleaf plants.
- Do not use manure from animals grazing treated areas or feeding on treated hay on land used for growing broadleaf crops, ornamentals, orchards, or other susceptible desirable plants. Manure may contain enough picloram to cause injury to susceptible plants.
- Do not use grass or hay from treated areas for composting or mulching of susceptible broadleaf plants.
- Do not apply to snow or frozen ground. Application during very cold (near freezing) weather is not advisable.
- Do not use on flood or sub-irrigated land.
See label for Mixing Instructions and Tankmix Information application instructions.
Ground or Aerial Broadcast
Use Terva 22K as a broadcast treatment by ground or aerially to control listed broadleaf weeds and woody plants. Apply Terva 22K as a coarse low-pressure spray at the specified rates in a spray volume of 1 or more gallons per acre by air or 10 or more gallons per acre by ground. Aerial applications can be applied using aerial electrostatic spray charging systems.
High-Volume Foliar Applications
Spray to thoroughly wet foliage and stems. An approved agricultural surfactant may be added at the manufacturer’s recommended rate. Do not apply more than the maximum application rate of Terva 22K specified for a given treatment site.
Use application rates as specified in the “Approved Uses” section of the label. Apply in a total spray volume of 20 to 100 gallons per acre. To prevent misapplication, apply spot treatments with a calibrated boom or with hand sprayers according to directions provided below. Do not exceed maximum application rates for Terva 22K for a given treatment site. On rangeland and permanent grass pastures, apply spot treatments at an equivalent broadcast rate of up to 2 quarts per acre per annual growing season, but not more than 50% of an acre may be treated. Repeat treatments may be applied, but total use must not exceed the maximum amount specified.
Hand-Held Sprayers: Hand-held or backpack sprayers may be used for spot applications of Terva 22K if care is taken to apply the spray uniformly and at a rate equivalent to a broadcast application. See recommended rates in the table on the label.
Special Application Methods
Wick Application – Mix 1 part of Terva 22K with 2 parts of water to prepare a 33% solution. Apply when weeds are actively growing and are above most desirable plants. For ironweed and goldenrod, best results are obtained when applications are made prior to the early bud stage. Drain the wick applicator and clean after each use. Change ropes when flow is reduced from wear, extended use, poor cleaning, or intermittent use.
Carpet Roller Application – Terva 22K can be applied with carpeted rollers where drift presents a hazard to susceptible crops, surface waters, and other sensitive areas. Apply to previously untreated plants less than 6 feet tall and short enough to pass beneath the tractor without breaking off at the ground. Applications made during periods of extended drought conditions will not provide acceptable control. Do not burn, mow, or otherwise disturb the treated plants during the remainder of the growing season. Operate carpeted rollers as close to the ground as possible without breaking the stems, but above the tallest grasses. Grasses growing adjacent to treated plants may exhibit temporary injury. Maximize herbicide deposition on stems and foliage and minimize drippage losses by rotating the carpeted roller at 30 to 40 rpm with the lower edge moving in the same direction as the direction of travel. Maintain the carpet sufficiently wetted to apply up to 1 gal./acre of herbicide/water mixture to stands of average density (100 to 200 plants/acre) and up to 2 gals./acre in dense stands (300 to 400 plants/acre). Rewet rollers at regular intervals. See the “Rangeland, Permanent Grass Pastures, and Non-Cropland (Specific Use Directions: All Areas West of the Mississippi River – Carpet Roller Use)” section of the label for treatment directions.
Soil Spot Concentrate: Terva 22K may be applied undiluted as a spot concentrate application to control ashe juniper, eastern redcedar, and eastern persimmon (see specific user directions for these plant species which follow). Applications should precede periods of expected rainfall. Apply directly to the soil within the dripline and on the upslope side of the tree. Applications to trees taller than 12 feet are not recommended.
Special Ground Sprayer Equipment: To control annual and perennial weed species using special low-volume, minimum drift equipment such as the hooded Forage Chemical Mower, apply 1 to 2 pts. of Terva 22K in total volumes ranging from 1 gallon to 5 gallons per acre in water alone or as an oil/water emulsion at a 1:5 and 1:4 oil-to-water ratio for a 1 gallon and 5 gallon per acre solution respectively.
SPECIFIC USE DIRECTIONS FOR SMALL GRAINS, FALLOW CROPLAND, AND CRP ACRES
Fallow Cropland (Not Rotated to Broadleaf Crops)
Apply Terva 22K as a postharvest or fallow treatment in continuous grain or during the fallow period. Terva 22K may be applied alone or in tank mix combination with 2,4-D or other herbicides registered for this use. Apply in 1 or more gallons of water per acre by air or 5 or more gallons per acre by ground.
Field Bindweed: Apply 0.5 to 1 pint per acre of Terva 22K plus 0.5 lb. to 1 lb. a.i. per acre of 2,4-D when bindweed is actively growing. Optimum time for treatment is when plant runners reach 8 to 12 inches. Use 0.5 pint per acre to control light to moderate infestations under good growing conditions or to reduce the potential for crop injury. Use higher specified rates for heavy infestations and longer term control. Some regrowth will occur the following season and a re-treatment program for successive years is recommended.
See label for information regarding Crop Rotation and Preplant Interval.
- Do not apply more than 1 pint per acre as a broadcast treatment per annual growing season.
- Spot Treatment: See “Spot Treatment” in “Mixing and Application Methods” section for directions for calibration, spray volume determination, and mixing. Spot treatments of Terva 22K at rates over 1 pint per acre can be made on fallow, non-irrigated cropland if the treated areas comprise less than 10% of the immediate field in any one year. Terva 22K should not be applied to cropland at rates exceeding 2 quarts per acre. When Terva 22K is applied at rates above 1 pint per acre, injury to small grains may result for periods up to two years after treatment.