The spectacular tumbleweed photographed by netizens in California, USA, how is tumbleweed formed?

The spectacular tumbleweed shot by netizens in California, USA. The nickname of tumbleweed is Russian thorn sand peng, also known as grassland? Tramp? . In some arid areas of the United States and Russia, tumbleweeds are uprooted from the land and then rolled with the wind. This kind of tumbleweed usually appears in Gobi area. The tumbleweed is panicum miliaceum, and its height is 10- 100 cm. It is born in the valley sand, desert, sandy Gobi and other areas, and it is a plant with strong vitality. It will not die under any circumstances. The ball shape of tumbleweed allows it to roll and bounce on the ground at will, leaving seeds along the way every time it bounces and rolls. Therefore, it is also known as the most effective seed spreading tool, but also because it flutters with the wind, carries pests and diseases in the rolling process, and then harms other areas, so tumbleweed has been listed as a harmful invasive species in some areas. So far, the US Forestry Department has found a biological weeding weapon that can effectively control tumbleweed.

One: the formation process of tumbleweed, also known as Russian thorn sand peng, also known as grassland? Tramp? . In some arid areas of the United States and Russia, tumbleweeds are uprooted from the land and then rolled with the wind. This kind of tumbleweed usually appears in Gobi area. The tumbleweed is panicum miliaceum, with a height of 10- 100 cm, and it is born in valley sandy land, desert, sandy Gobi and other areas.

Two: the harm of tumbleweed is a kind of plant with strong vitality. It will not die under any circumstances. The ball shape of tumbleweed allows it to roll and bounce on the ground at will, leaving seeds along the way every time it bounces and rolls. Therefore, it is also known as the most effective seed spreading tool, but also because it flutters with the wind, carries pests and diseases in the rolling process, and then harms other areas, so tumbleweed has been listed as a harmful invasive species in some areas. So far, the US Forestry Department has found a biological weeding weapon that can effectively control tumbleweed.