When using a backpack or garden sprayer to treat garden weeds, the company recommends a 1 percent solution of Roundup and water. According to the product label for Roundup Power Max, you obtain this concentration by adding 2 1/2 tablespoons of the product to a gallon of water. The label recommends mixing a larger batch in a separate container and transferring the mixture to the sprayer. Here is the source of the information as well as additional advice:
Roundup Pro And for tough-to-control, or dense, annuals mix a solution of 2 ounces (4 tablespoons) herbicide to 1 gallon of water. Woody vines and dense brush need 13ounces (26 tablespoons) diluted in 1 gallon of water to kill them; apply to leaves in late summer for best result
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When using a backpack or garden sprayer to treat garden weeds, the company recommends a 1 percent solution of Roundup and water. According to the product label for Roundup Power Max, you obtain this concentration by adding 2 1/2 tablespoons of the product to a gallon of water. The label recommends mixing a larger batch in a separate container and transferring the mixture to the sprayer. Here is the source of the information as well as additional advice:
https://homeguides.sfgate.com/roundup-spray-information-74287.html
Roundup Pro
And for tough-to-control, or dense, annuals mix a solution of 2 ounces (4 tablespoons) herbicide to 1 gallon of water. Woody vines and dense brush need 13ounces (26 tablespoons) diluted in 1 gallon of water to kill them; apply to leaves in late summer for best result