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Pre-emergent herbicides, those that prevent the seed from germinating, are effective, but the area must first be free of weeds for this type of herbicide to work. Post emergent herbicides, those that kill the growing plant by spraying the green leaves of the plant, may be effective if applied when the plant is very young. [13]
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 ...
It is an ester of the herbicide quizalofop. [2] Uses. Kuicaoxi is a post-emergent herbicide, and is effective against grasses such as Echinochloa crus-galli. [3]
Pre-emergent formulas are applied in late winter or early spring before the weeds emerge. Liquid products perform well when the weeds are still actively growing in early fall so there is optimum ...
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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.
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