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  2. Lolium arundinaceum - Wikipedia

    en.wikipedia.org/wiki/Lolium_arundinaceum

    Tall fescue is a long-lived tuft-forming perennial with erect to spreading hollow flowering stems up to about 165 cm (5'6") tall (exceptionally up to 200 cm) which are hairless (glabrous), including the leaf sheaths, but with a short (1.5 mm) ligule and slightly hairy (ciliate) pointed auricles that can wrap slightly around the stem.

  3. Festuca - Wikipedia

    en.wikipedia.org/wiki/Festuca

    Festuca (fescue) is a genus of flowering plants belonging to the grass family Poaceae (subfamily Pooideae). They are evergreen or herbaceous perennial tufted grasses with a height range of 10–200 cm (4–79 in) and a cosmopolitan distribution , occurring on every continent except Antarctica . [ 2 ]

  4. HRAC classification - Wikipedia

    en.wikipedia.org/wiki/HRAC_classification

    The Herbicide Resistance Action Committee (HRAC) classifies herbicides by their mode of action (MoA) to provide a uniform way for farmers and growers to identify the agents they use and better manage pesticide resistance around the world. [1] [2] It is run by CropLife International [3] in conjunction with the Weed Science Society of America ...

  5. List of Festuca species - Wikipedia

    en.wikipedia.org/wiki/List_of_Festuca_species

    The following species in the grass genus Festuca, the fescues, are accepted by Plants of the World Online as of 2024. [1] This genus together with the ryegrass genus Lolium form the Festuca–Lolium complex known for its frequent hybridization, and which is further complicated by the presence of a fine-leaved fescue clade within Festuca that appears to be sister to a clade consisting of Lolium ...

  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. 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 ...

  8. Tussock grass - Wikipedia

    en.wikipedia.org/wiki/Tussock_grass

    They usually grow as singular plants in clumps, tufts, hummocks, or bunches, rather than forming a sod or lawn, in meadows, grasslands, and prairies. As perennial plants, most species live more than one season. Tussock grasses are often found as forage in pastures and ornamental grasses in gardens. [1] [2] [3]

  9. Pesticides in the United States - Wikipedia

    en.wikipedia.org/wiki/Pesticides_in_the_United...

    In the same report, it added the "yield loss plus increased herbicide cost may result in an average estimated loss of $28 per acre" if atrazine were unavailable to corn farmers. [4] In 2006, the EPA concluded that the triazine herbicides posed "no harm that would result to the general U.S. population, infants, children or other... consumers." [5]

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