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  2. Glyphosate - Wikipedia

    en.wikipedia.org/wiki/Glyphosate

    It is therefore effective only on actively growing plants and is not effective as a pre-emergence herbicide. Crops have been genetically engineered to be tolerant of glyphosate (e.g. Roundup Ready soybean, the first Roundup Ready crop, also created by Monsanto), which allows farmers to use glyphosate as a post-emergence herbicide against weeds.

  3. Mesotrione - Wikipedia

    en.wikipedia.org/wiki/Mesotrione

    The triketone herbicides were found to be effective on a wide range of commercially-important weed species and to have both pre- and post-emergence activity. [9] Mesotrione was chosen for development (by Zeneca Agrochemicals under the code number ZA1296) because it controls a wide range of broad-leaved weeds that compete with maize and can also suppress some annual grass weeds that may be ...

  4. 4-Hydroxyphenylpyruvate dioxygenase inhibitor - Wikipedia

    en.wikipedia.org/wiki/4-hydroxyphenylpyruvate_di...

    In 1990 sulcotrione was introduced for post- emergence weed control in corn. Isoxaflutole opened the market more broadly for HPPD inhibitors when it was introduced in 1996 for corn and sugarcane, and for use as a pre-emergence herbicide that could control broadleaf weeds as did sulcotrione, but also additional grass weeds.

  5. Roundup (herbicide) - Wikipedia

    en.wikipedia.org/wiki/Roundup_(herbicide)

    The genes contained in these seeds are patented. Such crops allow farmers to use glyphosate as a post-emergence herbicide against most broadleaf and cereal weeds. The health impacts of the product as well as its effects on the environment have been at the center of substantial legal and scientific controversies.

  6. Pendimethalin - Wikipedia

    en.wikipedia.org/wiki/Pendimethalin

    Pendimethalin acts in both pre-weed-emergence and early post-emergence. Pendimethalin is absorbed into roots and shoots, inhibits cell division and prevents growth, [10] to prevent weeds from emerging, particularly during the development phase of the crop.

  7. Here's What Happens If You Don't Pull Fall Weeds Before Winter

    www.aol.com/lifestyle/heres-happens-dont-pull...

    The Importance of Fall Weed Control. ... examples of common invasive weeds include: ... If you are comfortable using chemicals there are excellent products for pre-emergent and post-emergent weed ...

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