Landscaping under any tree can be challenging, thanks to the dense shade cast by the branches and the abundance of thick roots in the soil. But black walnut trees (Juglans nigra) seem to be in a ...

Black walnut is the most valuable individual tree in Indiana based solely on the dollar value of the wood produced. This is primarily due to the very high value of walnut veneer; but considerable ...

Wondering if you can eat a black walnut from a tree in your yard or foraged from the woods? The answer is yes, but first, you ...

Black walnut is one of the fastest growing and highest valued hardwood species, but the long time periods required for hardwood trees to mature limit potential financial returns. Evaluation of ...

The genetic mechanism is similar to sex determination in many animals. Pictured, Groh with a California black walnut tree on the UC Davis campus. (Sasha Bakhter, College of Biological Sciences) The ...

like the Northern California black walnut. In wild species, the ratio of male-first to female-first trees is almost 1:1. Groh and his doctoral advisor, Professor Graham Coop of the Department of ...

like Northern California black walnut. In wild species, the ratio of male-first to female-first trees is almost 1:1. Groh and his doctoral advisor, Professor Graham Coop of the Department of ...