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Importance

Found in spring cereals and well spaced vegetable crops.

Knotgrass - young1. The cotyledons are narrow and long, borne on a short reddish stem.
Knotgrass - mature2. The first true leaf is broad at the base, long and lance-shaped.
Knotgrass 33. This is an annual and the older plant has long leaves and a prostrate wiry growth habit.

 

 

Identify Broad-Leaved Weeds

You can use this page to help identify the broad-leaved weeds in your crops, and then find out more about the relevant crop protection products.

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