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Asian bittersweet – this vine can kill or damage trees and shrubs. [1] Crown vetch – alters the soil chemistry and pushes out the variety of other plants. [1] Japanese knotweed – tolerates floods and drought, creates a monoculture. [1] Spotted knapweed – releases toxins into the soil to poison its competition. [1]
[1] [2] Common names include Japanese knotweed [2] and Asian knotweed. [3] It is native to East Asia in Japan , China and Korea . In North America and Europe , the species has successfully established itself in numerous habitats, and is classified as a pest and invasive species in several countries.
Reynoutria is a genus of flowering plants in the Polygonaceae, also known as the knotweed or buckwheat family.The genus is native to eastern China, Eastern Asia and the Russian Far East, although species have been introduced to Europe and North America. [1]
In some areas, Bohemian knotweed is classified as an invasive species and a noxious weed. It is illegal to transport and sell in multiple US states, including Minnesota, [1] Washington, [5] and Wisconsin. [6] Mechanical control and hand pulling are ineffective. Repeat herbicide application through spraying leaves and injecting stems is the best ...
Reynoutria japonica or Japanese knotweed, a highly invasive species in Europe and North America Index of plants with the same common name This page is an index of articles on plant species (or higher taxonomic groups) with the same common name ( vernacular name).
The basal bark treatment consists of application of herbicide to all basal parts of the plant below 12-15 inches. [19] The bark must be thoroughly wet with herbicide for this treatment to be most effective. [19] The USDA suggests that 25% triclopyr and 75% horticultural oil is the most effective herbicide composition for basal bark treatments. [5]