It’s very difficult to get rid of the scab. Photo: <.com

The problem of Japanese knotweed, an invading plant, is becoming more serious in the Netherlands, and reports of its spread are increasing rapidly, news agency ANP said Tuesday.

Numbers from the nature surveillance website show that the number of reported cases of Tade during the first five months of this year increased 1.5-fold during the same period in 2021.

Chris Van Dyck, an expert at the University of Wageningen, told ANP that the more people who report finding a plant, the better they can take action.

“It’s spread by people, not animals,” Vandik said. “If there is a small piece of soil that moves from one place to another, it pops out.” Tade grows at a rate of up to 10 centimeters a day.

Tade, which can damage building foundations, roads and drains, is very difficult to eradicate. Lethal injection, electrocution, and boiling water have all been tried as cures, but so far they haven’t worked.

But last November, researchers at Leiden University said that the plant’s natural enemy, the Japanese leaf flea, could be used to survive and fight the Dutch winter.

Tade was introduced to the Netherlands in 1823 as an ornamental plant.

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