English walnut walnut leaf stock illustrations Botany plants antique engraving illustration: Juglans regia,... Set vector icons of nuts Set of vector icons of nuts - cashews, walnuts, almonds, pine ...

Four principal diseases are associated with the English walnut: Walnut blight, Walnut leaf blotch, Blackline, and Walnut husk fly. Walnut blight is infection by the bacteria Pseudomonas juglandis or ...

English walnut trees (Juglans regia) produce a substance called juglone that inhibits the growth of many, but not all, other species of plants in nearby proximity. English walnut trees emit juglone in ...