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ALLIGARE
Alligare MSO 1 Modified Seed Oil
Alligare MSO 1 Modified Seed Oil is a modern oil-based spray adjuvant that helps pesticides better penetrate large and thick wax-coated weeds for faster elimination.
As low as
$89.74
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Alligare MSO Product Page
Min : 89.74 - Max : 687.27
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Price as of
09/21/25
09/21/25
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Alligare MSO 1 Modified Seed Oil, manufactured by Alligare, is an effective methylated seed oil blend adjuvant that keeps crops, forestry, and industrial settings free of weeds with pesticides being used.
Featuring just the right blend of methylated seed oil, other oils, and emulsifiers 100%, this concentrated product boosts products using 2,4-D esters, SUs, and more.
Alligare MSO 1 Modified Seed Oil allows for weeds that have become large, have thick, waxy coatings, or are otherwise under stress to be more easily controlled with pesticides being used.
Tools Needed
Alligare MSO 1 Modified Seed Oil can be applied with a hose-end sprayer, handheld pump sprayer, backpack sprayer, or spray rig.
How to Use
- Step 1: Determine how much Alligare MSO 1 Modified Seed Oil to use by measuring the square footage of the treatment area. To do this, measure the length and width of the treatment area in feet, then multiply them together (length X width = square footage). For acreage, divide the square footage by one acre (square footage / 43,560 sq. ft. = acres). For general dry land applications, use 3/4 pint to 6 quarts of Alligare MSO 1 Modified Seed Oil per acre, depending on conditions and weeds. The lowest rates should be used on weeds with thin wax layers under ideal conditions. Higher doses will be required when stress occurs, causing thicker wax layers if there are large numbers of weeds or if there are weeds that have naturally thicker waxy cuticles. For aquatic-surface applications, use 16 to 32 oz. of product per 100 gallons of spray solution. For aquatic-submerged applications, use 20 to 40 oz. of product per 100 gallons of spray solution.
- Step 2: Follow the mixing order on the pesticide label. If there is no order, add Alligare MSO 1 Modified Seed Oil after other tank mix additives and pesticides, with good agitation. Do not put water into this product container unless all the product has been poured. Then, triple-rinse the container and pour the rinsate into the mix tank. Then, continue adding water.
- Step 3: Spray the solution mixed with Alligare MSO 1 Modified Seed Oil as instructed on the label.
Where to Use
Alligare MSO 1 Modified Seed Oil can be used on crops, in forestry applications, in industrial and R.O.W. settings, in pasture and rangeland areas, in T&O, or any non-aquatic application.
When to Use
Apply with pesticides that suggest or require an oil adjuvant to control weeds that have become large, have thick, waxy coatings, or are otherwise under stress.
Safety Information
Alligare MSO 1 Modified Seed Oil is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product.
Special Considerations
Alligare MSO 1 Modified Seed Oil is the newest version of Alligare Methylated Seed Oil (MSO). This newer version can treat aquatic sites, whereas the older model is not labeled for use in these application areas.
| Availability | Online |
| Restricted Use | No |
| Shipping Restrictions | 2.5 Gallon: AK, HI, VT 30 Gallon Drum: AK, HI, VT |
| Brand | ALLIGARE |
| Keith's Pro Tips | “Mind the gaps between plants as plants that are closer together helps to choke out possible weed growth.” |
| Product Drawbacks | Does not kill herbicides or pests on its own. It is simply an adjuvant used to enhance the effectiveness of a herbicide product. |
| Target Pests | Alligare MSO 1 is not a product which does any killing it is an additive to certain products to enhance performance. |
| Application Equipment | Backpack Sprayer, Hose End Sprayer, Pump Sprayer, Spray Rig |
| Application Methods | Broadcast Spray, Spot Treatment |
| Active Ingredient | Methylated Seed Oil and other oils and emulsifiers 100.0% |
| Product Type | Adjuvant |
| Formulation | Synergist |
| Application Rate | For general dry land applications, use ¾ pint to 6 quarts of Alligare MSO 1 Modified Seed Oil per acre depending on conditions and weeds. For aquatic-surface applications, use 16-32 oz. of product 100 gallons of spray solution. For aquatic-submerged applications, use 20-40 oz. of product per 100 gallons of spray solution. |
| Shelf Life | Alligare MSO 1 will last up to 3 years when stored in a cool, dry place. |
| Yield | Alligare MSO 1 Modified Seed Oil when used at the maximum rate of 6 quarts per acre will cover up to approximately 1 and a half acre. |
| Use Sites | Outdoors |
| Time to Kill | Alligare MSO 1 does not kill it is an additive to herbicides and pesticides. |
| Comparable Products | Alligare 90 |
| EPA Registration # | N/A |
| Restricted Use | No |
|---|---|
| Availability | Online |
| Signal Word | CAUTION |
| Keith's Pro Tip | “Mind the gaps between plants as plants that are closer together helps to choke out possible weed growth.” |
| Time to Kill | Alligare MSO 1 does not kill it is an additive to herbicides and pesticides. |
| Chemical Type | Adjuvant |
| Formulation | Synergist |
| Application Methods | Broadcast Spray, Spot Treatment |
| Product Drawbacks | Does not kill herbicides or pests on its own. It is simply an adjuvant used to enhance the effectiveness of a herbicide product. |
| Active Ingredient | Methylated Seed Oil and other oils and emulsifiers 100.0% |
| Application Equipment | Backpack Sprayer, Hose End Sprayer, Pump Sprayer, Spray Rig |
| Mix Rate | For general dry land applications, use ¾ pint to 6 quarts of Alligare MSO 1 Modified Seed Oil per acre depending on conditions and weeds. For aquatic-surface applications, use 16-32 oz. of product 100 gallons of spray solution. For aquatic-submerged applications, use 20-40 oz. of product per 100 gallons of spray solution. |
| Use Sites | Outdoors |
| Yield | Alligare MSO 1 Modified Seed Oil when used at the maximum rate of 6 quarts per acre will cover up to approximately 1 and a half acre. |
| EPA Registration No. | N/A |
| Shelf Life | Alligare MSO 1 will last up to 3 years when stored in a cool, dry place. |
| Comparable Products | Alligare 90 |
| Children or pets? | No |
| Property Characteristics | None |
*Price does not include freight. We guarantee our rate plus shipping will be less than anyone else's price.