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Concerns raised over Japanese knotweed hybrid that’s taking over gardens

Concerns raised over Japanese knotweed hybrid that’s taking over gardens
05/12/2019

New strain is produced by cross fertilisation between Japanese knotweed and Giant knotweed

Posted on05.12.2019 A warning has been issued about a Japanese knotweed hybrid species that could be even more destructive than its parent plant, Cornwall Live has reported.

The national trade body the Property Care Association (PCA) says reports of a Japanese knotweed hybrid, ‘Bohemian knotweed,’ are on the increase.

Got any questions about Japanese Knotweed? Check out our FAQs here. Also known as Hybrid knotweed, the invasive non-native plant is produced by cross fertilisation between Japanese knotweed and Giant knotweed.

According to Dr Peter Fitzsimons, group technical manager of the PCA’s Invasive Weed Control Group, it could be a real concern if it gains a foothold nationally.

Dr Fitzsimons said:

Bohemian knotweed, although less common, has been around for almost as long as the better-known Japanese knotweed, but is not always recognised.

As a result, it has remained largely below the radar, but the reason for concern is that these hybrid plants can be even more vigorous than the parent plants.

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