2024年3月15日 · These weeds thrive on disturbed, burned-out sites, and seeds spread to them as soon as mature thistles tumble over in the wind, which means other forms of Russian thistle control are necessary. Control of Russian thistle can be done manually or by planting crops.

It is known by various common names such as prickly Russian thistle, [5] windwitch, or common saltwort. It is widely known simply as tumbleweed because, in many regions of the United States, it is the most common and most conspicuous plant species that produces tumbleweeds.

Although Russian thistle, or tumbleweed, conjures up images of the old West, it can be a serious weed pest. In agricultural areas, Russian thistle can reduce yield and quality of numerous crops, particularly alfalfa and small grains.

Kochia (Kochia scoparia L.) and Russian thistle (Salsola tragus L.) are troublesome annual weeds of rangelands, pastures, fields, disturbed areas, gardens, roadsides, ditchbanks, and small acreages. Both species are non-native to the United States.

Research: Russian thistle is an exotic weed species and is a good candidate for biological control. A pith-boring moth and a case-bearing moth have been established as biocontrol agents in California, but are ineffective.

Origin and distribution: Russian-thistle is a native of Russia that was introduced into South Dakota in flax seed in the mid 1870’s. It presently occurs throughout the U.S.A. and southern Canada, except in the deep south. In Eurasia its range extends from China through most of Europe and into North Africa.

Russian thistle, (Salsola spp.) also known as tumbleweed, is a summer annual native to southeastern Russia and western Siberia and was first introduced into the United States in the late 1800’s as a

Kochia and Russian thistle are annual plants in the goosefoot family that mature into tumbleweeds spreading their seeds as the wind carries them. Both plants can also accumulate high levels of nitrates making them toxic to livestock. Both are also …

Similarly, due to the very early season emergence of Russian-thistle, a brief fallow (one to two weeks) before planting an early season crop can help control the weed. Because Russian-thistle is intolerant of shade and relatively slow growing, crop competition is …

Russian thistle seedlings have long, needle-like leaves. Russian thistle is the classic tumbleweed of the western states. Leaves on mature Russian thisle resemble spines and are source of the thistle name.