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Pastora Herbicide is registered to use on hay meadows and bermudagrass pastures, and in non-crop areas. Check with your state extension or Department of Agriculture before use, to be certain Pastora is registered in your state. Do not use Pastora in the following counties of Colorado: Alamosa, Costilla, Conejos, Rio Grande, and Saquache. Pastora Herbicide is a granule that is dry-flowable that suppresses or controls grass and broad-leaf weeds. Pastora is mixed in water and applied as a uniform broadcast spray. A spray adjuvant must be used in the spray mix unless otherwise specified on the label. Pastora is noncorrosive, nonflammable, nonvolatile, and no freezing restrictions.
Pastora controls broad-leaf weeds by pre-emergence and post-emergence activity and grass weeds by post-emergence activity. To get the best results from Pastora, apply it to young, active growing weeds. Weeds that are hardened off by the cold weather or by drought stress may be difficult to control. The use rate depends upon the weed spectrum and size of weeds at application.
Do not use on lawns, walks, driveways, tennis courts, golf courses, athletic fields, or other high-maintenance, fine turfgrass areas, or similar areas.
Product Documents
| Active Ingredient | Nicosulfuron 56.2% Metsulfuron Methyl 15% |
|---|---|
| Target pests |
Annual Bluegrass, Barnyardgrass, Chickweed, Crabgrass Large, Dandelion, Foxtails, Henbit, Plantain, Purslane, Ryegrass, Thistle, Wild Carrot, Wild Garlic and others * See label for complete list |
| For use in |
Established Bermudagrass Pastures and Hay Meadows Bermudagrass Turf (Unimproved Only) Not for Use on Lawns |
| Application |
1 - 2.5 oz. per 100 gallons of water per acre * Use a Surfactant to Increase Effectiveness * See label for complete application instructions |
| Formulation |
Professional Product Group 2 Herbicide |
| NOT FOR SALE TO | AK, CA, CO, CT, DC, DE, HI, IA, ID, MA, MD, ME, MI, MN, MT, ND, NE, NH, NJ, NV, NY, OR, PA, PR, RI, SD, UT, VT, WA, WI, WV, WY |
| Coverage Area | 217,800 sq. ft. |
| Shipping Weight | 0.49 lbs |
| Manufacturer | Envu (Formerly Bayer) |
| UPC | 706927836714 |
| EPA Registration | 432-1567 |
General Information
Pastora Herbicide controls broadleaf weeds by pre-emergence and post-emergence activity and grass weeds by post-emergence activity. For best results, apply Pastora to young, actively growing weeds. Weeds hardened off by cold weather or drought stress may not be controlled. The use rate depends upon the weed spectrum and size of weeds at application. The degree and duration of control may depend on the following factors:
BIOLOGICAL ACTIVITY AND ENVIRONMENTAL CONDITIONS
Pastora Herbicide is absorbed through the foliage and roots of weeds, rapidly inhibiting their growth. Leaves of susceptible plants appear chlorotic from 1 to 3 weeks after application and the growing point subsequently dies. The final effects on annual weeds are evident about 4 to 6 weeks after application. The ultimate effects on perennial weeds occur in the growing season following application.
One to two inches of rainfall or sprinkler irrigation (enough to wet the top 2-3 inches of soil profile) may be needed to move Pastora into the weed root zone before the next flush of broadleaf weeds emerge. The amount of moisture required for sufficient activation increases with crop or weed residue and for finer textured soils. Without sufficient rainfall or sprinkler irrigation to move Pastora into the weed root zone, weeds that germinate after treatment will not be controlled.
Application of Pastora provides the best control in vigorously growing pastures that shade competitive weeds. Weed control in areas of thin grass may not be as satisfactory. However, a bermudagrass canopy that is too dense at application can intercept spray and reduce weed control.
In warm, moist conditions, the expression of herbicide symptoms is accelerated in weeds; in cold, dry conditions, expression of herbicide symptoms is delayed. In addition, weeds hardened-off by drought stress are less susceptible to Pastora.
Weed control or suppression may be reduced if rainfall, or sprinkler irrigation occurs within 4 hours after application.
Weed control should be part of an overall pasture management plan which includes good fertility, adequate moisture (rainfall, irrigation), insect and rodent control, and other agronomic practices which maximize bermudagrass growth. Consult your state cooperative extension service, local agricultural dealer, professional consultant or other qualified authority for specific instructions regarding proper management of bermudagrass pastures.
get the mix right
By John on 07/17/2016
It will take some math to figure out this mix if you're not spraying this out of an airplane,... but when you get it right you'll find that this stuff will last you over 6 years on a small lawn, and control weeds better than MSMA used to!!! I love this stuff! It's like a slow acting MSMA, and when mixed with 2,4-d theres literally not a weed it won't kill post or pre emergent! Careful around trees and shrubs as this stuff is lethal to them.
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41 of 45 people found this review helpful
Does the job
By Scott on 09/22/2017
I live in an area plagued by bluestem. In unimproved pastures the grass is ok though some cattleman say that doesn't have a lot of nutrition. In other areas it is a complete pest. I have now sprayed Pastora twice following label directions for bluestem. The bluestem is dying and both Bermuda and buffalo grass are doing fine.
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19 of 20 people found this review helpful
Grits in MS
By Kent on 01/28/2018
Not good success for me
By Bryon on 10/02/2019
Great deal.
By Gary on 08/07/2020
Yes, Pastora Herbicide needs an additional 1 to 2 inches of rainfall or irrigation is needed to move the product into the weed root zone to prevent them from germinating. Without addtional irrifation, weeds that germinate after treatment will not be controlled.
This product is labled for post emergent control for grassy weeds only (with the addition of a Non Ionic Surfactant) and for pre and post emergent control of both grassy and broadleaf weeds.
Application rates for Pastora Herbicide range from 1 - 1.5 oz. per acre using sufficient volumes of water to evenly and thoroughly cover 1 acre. For post emergent weed control as spot treatments, use 2.5 fl oz per 25 gallons of water per acre along with 16 to 64 oz of NIS per 25 gallons of water.
Refer to the product label for more information on specific weeds controlled and site treatment areas.
Pastora Herbicide is primarily labeled for post emergent control of sandbur and best applied when the sandbur is newly germinated to 1.5” tall per the product label. For overwintering sandbur or newly germinated sandbur that is greater than 1.5” tall, applications of PASTORA® HERBICIDE may only suppress growth resulting in a reduction in sandbur seedheads.
Per page 13 of the Product Label for Sandbur: Make applications when bermudagrass is less than 4” tall following green-up in the spring or after cutting for hay. Tall, dense stands of bermudagrass can intercept spray and reduce sandbur control. In some areas, sandbur may overwinter and start the new season with an established root system.
For overwintering Sandbur that is greater than 1.5”, it is best to tank mix Pastora Herbicide with a glyphosate non selective at the rate of 0.156 to 0.257 pounds glyphosate per acre. A follow-up application of PASTORA® HERBICIDE may be necessary to control subsequent germination (flushes) of sandbur following the first application or when the first application was made to larger sandbur or under unfavorable environmental conditions.
Sandbur Management must be part of an overall pasture management plan which includes good fertility, adequate moisture (rainfall, irrigation), insect and rodent control, and other agronomic practices which maximize bermudagrass growth. In contrast, sandbur control in areas with thin stands of bermudagrass may not be satisfactory.
We have other species choking out Bermuda. We want to apply pastora but will have bare spots created with good control. Can we plant Bermuda seed after?
We would recommend contacting the manufacturer of Pastora Herbicide, Bayer, directly at 800-331-2867 for further assistance on this inquiry.
And it will kill on the first spray?
To control Johnsongrass, you will use 1 oz of Pastora Herbicide per Acre. Per the product label: For best results on seedling Johnsongrass, apply Pastora Herbicide before seedlings reach 12" in height. For best results on rhizome Johnsongrass, apply Pastora Herbicide when Johnsongrass is from 10" to 18" in height. If treating after pasture has been mowed, treat about 10 to 14 days after mowing when Johnsongrass has 6" to 8" of leaf surface for herbicide to contact. You may need more than one application to control this weed.
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13 of 15 people found this answer helpful
The rate of 1.5 ounces of Pastora Herbicide can treat an acre. The amount of water really depends on how much water it takes you to cover that area, that can depend on the type of equipment, height, and walking pace or driving speed, this can be different for everyone. We recommend to calibrate your sprayer to determine the amount of water you will need specifically to make an application. Please read the product label for complete application instructions.
Have just over seeded pastures with bermuda seed. How long must I wait to treat johnson grass with pastiora to not kill the new growth?
According to the manufacturer's product label, "Apply Pastora Herbicide to bermudagrass pastures and hay meadows that have been established for at least one growing season."
Pastora Herbicide is used at the rate of 1 - 2.5 oz. per 100 gallons of water per acre.
Pastora Herbicide is considered rainfast approximately 4 hours after application.
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53 of 54 people found this answer helpful
No, an applicators license is not required to purchase Pastora Herbicide in Texas.
The rate for Pastora is 1-2.5 oz. per acre depending on what weed(s) you are treating. You can find use rates for specific weeds on the product label.
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9 of 12 people found this answer helpful
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Pastora Herbicide
Rating: 4.7 (9 Reviews / 86 Q&A)
