Client: local farmer.

Location: Heywood, Manchester.

Area under treatment: approx. 500 sq. metres.

Technique: spraying by herbicide.

Status: in progress.

The client planned to eventually sell the land, so he implemented a management plan to eradicate the Japanese knotweed.

Survey results

During the survey in September 2017, a relatively large and dense Japanese knotweed stand was present along the busy road.

The general appearance of the stand from the farmer’s field is shown in the picture below.

The Knotweed was flowering during the site inspection; individual plants reached three metres high.

Treatment

Before the treatment, the client was advised to refrain from disturbing the area to succeed in our treatment programme. The first treatment was carried out about a week later, in September. A spraying herbicide was applied over the knotweed.

The knotweed was resprayed several times in 2018, from June to September. As the knotweed stand was dense and well-established, some minor regrowth remained evident during the last visit (pictured below).

Additional treatment is scheduled for June to September 2019. Once no regrowth is observed, we will start the monitoring phase of our programme.

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