Juglans nigra leaves and roots release juglone (5-hydroxy-1,4-naphthoquinone); allelopathic inhibition of nightshade and apple-family plants beneath canopy.
Juglans nigra leaves and roots release juglone (5-hydroxy-1,4-naphthoquinone); allelopathic inhibition of nightshade and apple-family plants beneath canopy.