Add Yahoo as a preferred source to see more of our stories on Google. MariaBrzostowska / Getty Images Juglone is a naturally occurring toxin released by certain plants to limit competition by damaging ...

The black walnut tree (Juglans nigra) is well-loved for its beauty and the walnuts it grows. However, the roots of this tree produce juglone, a chemical released in the soil surrounding the tree that ...

Urban dwellers either praise or curse the black walnut (Juglans nigra). Some find the tree troublesome because of the nuts they drop, the juglone (a natural herbicide) secreted into the soil to kill ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. On May 6, 2022, Adam Baz, a resident who lives near El Sereno, a Northeast Los ...