Stem injection is an alternative to herbicide spraying, which can affect other nearby plants. This method involves using specialist equipment and injecting a concentrated dose of Glyphosate herbicide into each cane of the plant.
This method of direct injection of herbicide is highly effective as it is absorbed throughout the rhizome and deep into the plant’s root system, helping to completely eradicate the troublesome plant.
Stem injection is a popular technique to use in environmentally sensitive areas such as close to water. This process minimises any risk to the water and environment surrounding the plant.
Our herbicide treatment programme consists of four applications, this can vary depending upon the plant’s uptake of the herbicide. We use SEPA & DEFRA approved herbicides applied at suitable times during the knotweed growing season (usually April to November).
Ideally preparation work is undertaken in the winter to cut, mulch & remove the dead canes and any items that might impede the new shoots in spring.
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