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Hot and dry conditions reduce control. Clay content, soil pH or soil organic matter has little effect on QPE. The usual application is through a 30-150 L/Ha tank mix. [5] QPE is a post-emergent herbicide and is absorbed through the leaves, whence it is quickly translocated to the roots and growing sections of the plant.
Diflufenican (sometimes called DFF) is a herbicide used to control weeds including wild radish and wild turnip weeds or suppress capeweed, crassula, marshmallow or shepherd's purse, in clover pasture, lupins, lentils or field peas.
A member of the cyclohexenones, a methyl ester, and an ether, alloxydim is a post-emergence herbicide. [2] Its sodium salt is a hygroscopic , water-soluble colorless solid. [ 3 ]
Ethofumesate is a pre- and post-emergence [1] herbicide used on sugar beets to control weeds, notably blackgrasses. UK registration in 2016 is planned for pre-emergence use on wheat as an auxiliary component of tank mix. [2] Ethofumesate is used in Australia, to control wintergrasses in turfgrasses, along fencelines and tree plantations.
Metribuzin (4-amino-6-tert-butyl-3-(methylthio)-1,2,4-triazin-5(4H)-one) is a herbicide used both pre- and post-emergence in crops including soy bean, potatoes, tomatoes and sugar cane. It acts by inhibiting photosynthesis by disrupting photosystem II. [2] It is widely used in agriculture and has been found to contaminate groundwater. [3]
Halosulfuron-methyl is a sulfonylurea post-emergence herbicide used to control some annual and perennial broad-leaved weeds and sedges (such as nutsedge/nutgrass) in a range of crops (particularly rice), established landscape woody ornamentals and turfgrass. [citation needed] It is marketed under several tradenames including Sedgehammer [2] and ...
MCPB, 2,4-MCPB, 4-(4-chloro-o-tolyloxy)butyric acid (), or 4-(4-chloro-2-methylphenoxy)butanoic acid is a phenoxybutyric herbicide.In the United States it is registered for use on pea crops before flowering, for post-emergence control of broadleaf annual and perennial weeds including Canadian thistle, buttercup, mustard, purslane, ragweed, common lambsquarters, pigweed, smartweed, sowthistle ...
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.