Roundup is a non-selective herbicide used to kill unwanted grasses and weeds. It is available in professional strength liquid concentrate and professional dry concentrate formulations. When Roundup is sprayed on plant foliage, it is absorbed and then moved — or translocated — throughout the plant’s tissues. Once inside the plant, Glyphosate (the active ingredient in Roundup) inhibits the production of an enzyme, called EPSP synthase, which in turn prevents the plant from manufacturing certain aromatic amino acids essential for plant growth and life. Glyphosate interrupts the metabolic process in plants, so its effect may not be visible for about four days in annual plants and up to seven days in perennial plants. After application, the plant wilts and turns yellow, and then turns brown as the plant tissue deteriorates. At the same time, Glyphosate decomposes the plant’s underground roots and rhizomes. Ultimately, the entire plant dies, is incapable of regenerating, and enriches the soil as it decomposes.
Tests have shown that Roundup, when used according to label directions, has no weed killing activity once in contact with the soil. Glyphosate will not move in or on the soil to affect non-target vegetation, and it does not move through the soil to enter other non-target plants by the root system. Glyphosate is only effective when it comes into contact with the green, growing parts of plants. Other tests have shown that Glyphosate binds tightly to most soil particles until it is degraded. This means that the likelihood of Roundup harming nearby plants is negligible, and there is an extremely low potential for Glyphosate to move into groundwater.
Many professionals now prefer to tank mix their favorite Roundup herbicide with Scythe. This combination provides faster burn-off of grasses and new growth weeds and also accelerates the systemic action of Glyphosate.

Concentrated Roundup

This herbicide is available in two forms:

Roundup QuikPro with Glyphosate and Diquat
Cannot be shipped to AK, CA, MA, NY, VT

Roundup Super Liquid Concentrate
Cannot be shipped to MA, NY, NJ, NH, DE, CT, VT, AK

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