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Polygonum arenastrum, commonly known as equal-leaved knotgrass, [2] is a summer annual flowering plant in the knotweed family Polygonaceae.Other common names include common knotweed, prostrate knotweed, mat grass, oval-leaf knotweed, [3] stone grass, wiregrass, and door weed, as well as many others.
Polygonum aviculare or common knotgrass is a plant related to buckwheat and dock.It is also called prostrate knotweed, birdweed, pigweed and lowgrass.It is an annual found in fields and wasteland, with white flowers from June to October.
The Herbicide Resistance Action Committee (HRAC) classifies herbicides by their mode of action (MoA) to provide a uniform way for farmers and growers to identify the agents they use and better manage pesticide resistance around the world. [1] [2] It is run by CropLife International [3] in conjunction with the Weed Science Society of America ...
Japanese knotweed is seen in flower. Yellowish-white flower spikes appear in August and September, making now the best time of year to identify and report occurrences of this invasive species.
Of the 295 pesticides initially assessed, they identified 22 with consistent links to prostate cancer, including widely used herbicides like 2,4-D and a mix of fungicides, insecticides, and a soil ...
Polygonum is a genus of about 130 species of flowering plants in the buckwheat and knotweed family Polygonaceae. Common names include knotweed and knotgrass (though the common names may refer more broadly to plants from Polygonaceae). In the Middle English glossary of herbs Alphita (c. 1400–1425), it was known as ars-smerte.