The harmfulness of Barszcz Sosnowskiego results from the properties of the stinging and allergenic plants pose a threat to human and animal health.

DIFFICULTIES IN THE FIGHT AGAINST

The principal difficulties in controlling this plant is its high rate of reproduction, resistance to many herbicides and the need for many years and the exact use of destructive treatments in the area of its occurrence. One plant produces an average of 20000 seeds per year. In many cases, the number is doubled. These seeds remain in the soil and retain their ability to germinate for 5 years.

This means that in order to get full success in the fight against borscht in the area, measures to eliminate this plant must be continuously implementing annually for 5 years. Any release to release and seed dispersal during combat in the area increases the elimination period of the next five years.

ADVERSE IMPACT OF PLANTS

Barszcz Sosnowskiego restricts biodiversity of native plant species. The plant has stinging and allergenic properties, which poses a threat to human and animal health. Causes dermatological reactions comparable to burns from I to III degree.