What is Glyphosate (Roundup) primarily used to control?

• A. Annual grasses
• B. Perennial grasses
• C. Broadleaves
• D. Woody plants

Answer: (B)

Glyphosate, commonly known by the brand name Roundup, is a non-selective herbicide that is primarily used to control a wide variety of plants including both annual and perennial species. However, it is particularly effective at killing perennial grasses, which are often more challenging to manage due to their extensive root systems and ability to regrow from remaining tissues after treatment. When glyphosate is absorbed by the plants, it disrupts their growth processes, leading to the death of the entire plant, including roots.

Annual grasses are generally easier to manage and can be controlled using a range of methods, making glyphosate less critical specifically for their management. Similarly, while glyphosate can effectively control broadleaf plants and woody species, its primary effectiveness and common usage focus tend to be on perennial grasses in the context of industrial weed management.