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Thistle seed production was 130 times higher where only one mowing was done, and 1,720 times higher where nothing was done, as compared to the area that had been grazed and mowed twice. Excellent yellow star-thistle control can be achieved with the combination of competing plants, mowing, and rotational grazing. [42]
Centaurea calcitrapa is a species of flowering plant known by several common names, including common star thistle, red star-thistle [2] and purple star thistle. It is native to Europe but is known across the globe as an introduced species and often a noxious weed .
Eustenopus villosus is a species of true weevil known as the yellow starthistle hairy weevil.It is used as an agent of biological pest control against the noxious weed yellow starthistle (Centaurea solstitialis).
Yellow Star Thistle is an aggressive species that has invaded millions of acres of rangelands in the western United States. Cattle feeding on it may be poorly nourished and can be damaged by the ...
B. fausti is considered host specific and limited to a few species in the genus Centaurea, specifically C. diffusa (diffuse knapweed), C. maculosa (spotted knapweed), C. calcitrapa (purple star-thistle), C. squarrosa (squarrose knapweed), and will rarely attack C. solstitialis (yellow star- thistle), all of which are introduced weeds.
Synchytrium solstitiale parasitizes the yellow star thistle (Centaurea solstitialis), an important weed in the United States. For this reason, S. solstitiale is being considered as a biological control of the yellow star thistle in the United States. [ 10 ]
Centaurea iberica, the Iberian knapweed [1] or Iberian star-thistle, [2] is a species of Centaurea. It is native to southeastern Europe and southwestern Asia . It is known elsewhere as an introduced species and a noxious weed .
Centaurea melitensis (called Maltese star-thistle [1] [2] in Europe, tocalote or tocolote in western North America) is an annual plant in the family Asteraceae, 1 to 11 decimetres (4 to 43 in) high, with resin-dotted leaves and spine-tipped phyllaries. This plant is native to the Mediterranean region of Europe and Africa.