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Kali tragus, the Russian thistle Leaves of a mature plant coming into flower, each leaf with one flower and two bracts in its axil. Salsola tragus is an annual forb.In habit, the young plant is erect, but it grows into a rounded clump of branched, tangled stems, each one up to about a metre long.
Clopyralid (3,6-dichloro-2-pyridinecarboxylic acid) is a selective herbicide used for control of broadleaf weeds, especially thistles and clovers.Clopyralid is in the picolinic acid family of herbicides, which also includes aminopyralid, picloram, triclopyr, and several less common herbicides.
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Plants of the genus are known commonly as plumeless thistles. [ 3 ] [ 4 ] They are native to temperate Eurasia and North Africa, [ 1 ] and several are known elsewhere as introduced species . [ 4 ] This genus is noted for its disproportionately high number of noxious weeds compared to other flowering plant genera.
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Salsola tragus is the so-called "Russian thistle". It is an annual plant that breaks off at the stem base when it dies, and forms a tumbleweed, dispersing its seeds as the wind rolls it along. [7] It is said to have arrived in the United States in shipments of flax seeds to South Dakota, perhaps about 1870. [8]
Killing your entire lawn gets rid of everything—grassy and broadleaf weeds, off-type lawn grasses, and the few strands of good grass you have left. Unlike the five percent household vinegar used ...
It can also kill through root absorption. Sodium chlorate may be used to control a variety of plants including morning glory, canada thistle, johnson grass, bamboo, ragwort, and St John's wort. The herbicide is mainly used on non-crop land for spot treatment and for total vegetation control on areas including roadsides, fenceways, and ditches.