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Allelopathy is the chemical property of a given plant that allows it to suppress the growth of other plants, similar to herbicides.

This project is for the collection of learning materials related to allelopathy.


Subtopics of allelopathy deal with particular plants that have this trait.

Black walnut (Juglans nigra)[edit]

In the eastern United States, one of the most common allelopathic species is Black Walnut, which produces the chemical Juglone. Considerable amounts of research has been done on this chemical because of the problems it causes in horticulture and agriculture.

Buckthorn (Rhamnus cathartica, Rhamnus frangula)[edit]

Goldenrod (Solidago)[edit]

Tree of Heaven (Ailanthus altissima)[edit]

Garlic mustard (Alliaria petiolata)[edit]