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  2. 4-Hydroxyphenylpyruvate dioxygenase inhibitor - Wikipedia

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

    4-Hydroxyphenylpyruvate dioxygenase (HPPD) inhibitors (HPPD inhibitors) are a class of herbicides that prevent growth in plants by blocking 4-Hydroxyphenylpyruvate dioxygenase, an enzyme in plants that breaks down the amino acid tyrosine into molecules that are then used by plants to create other molecules that plants need.

  3. Nelson's syndrome - Wikipedia

    en.wikipedia.org/wiki/Nelson's_syndrome

    Nelson's syndrome is a disorder that occurs in about one in four patients who have had both adrenal glands removed to treat Cushing's disease. [1] In patients with pre-existing adrenocorticotropic hormone ()-secreting pituitary adenomas, loss of adrenal feedback following bilateral adrenalectomy can trigger the rapid growth of the tumor, leading to visual symptoms (e.g. bitemporal hemianopsia ...

  4. 2,4-Dichlorophenoxyacetic acid - Wikipedia

    en.wikipedia.org/wiki/2,4-Dichlorophenoxyacetic_acid

    2,4-Dichlorophenoxyacetic acid is an organic compound with the chemical formula Cl 2 C 6 H 3 OCH 2 CO 2 H.It is usually referred to by its ISO common name 2,4-D. [4] It is a systemic herbicide that kills most broadleaf weeds by causing uncontrolled growth, but most grasses such as cereals, lawn turf, and grassland are relatively unaffected.

  5. Artificial turf–cancer hypothesis - Wikipedia

    en.wikipedia.org/wiki/Artificial_turfcancer...

    The crumb rubber infill of artificial turf fields contains or emits chemicals that can affect human physiology." [ 7 ] In 2020, the European Risk Assessment Study on Synthetic Turf Rubber Infill was completed; published in Science of the Total Environment , this was a scientific study funded by companies and industry association from the tyre ...

  6. Dithiopyr - Wikipedia

    en.wikipedia.org/wiki/Dithiopyr

    Dithiopyr is a preemergent herbicide for crabgrass control in turf and ornamental grasses. It is effective on 45 grassy and broadleaf weeds. [1] Dithiopyr inhibits root growth of susceptible weeds as well as turf grass and thus should be used only on established turf with a well-developed root system.

  7. Phenoxy herbicide - Wikipedia

    en.wikipedia.org/wiki/Phenoxy_herbicide

    [11] [12] Their selectivity for grasses arises because they target the isoform of the enzyme present only in the plastids of these species, making them ineffective on broad-leaf weeds and other organisms including mammals. [13] When applied as an ester, metabolism in the target plant leads to the parent acid which is responsible for the ...

  8. Metolachlor - Wikipedia

    en.wikipedia.org/wiki/Metolachlor

    Metolachlor is a popular herbicide in the United States. [3] As originally formulated metolachlor was applied as a racemate , a 1:1 mixture of the ( S )- and ( R )-stereoisomers. The ( R )-enantiomer is less active, and modern production methods afford a higher concentration of S-metolachlor, thus current application rates are far lower than ...

  9. Trifluralin - Wikipedia

    en.wikipedia.org/wiki/Trifluralin

    Trifluralin is a common pre-emergent selective herbicide, a dinitroaniline.With about 14 million pounds (6,400 t) used in the United States in 2001, [3] and 3–7 million pounds (1,400–3,200 t) in 2012, [4] it is one of the most widely used herbicides.

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