3 ms·
I believe with black walnuts the juglone, which isn't present in oak galls, is responsible for much of the color. You should be careful with juglone. It can cau
by DFHippie 2y ago
I believe with black walnuts the juglone, which isn't present in oak galls, is responsible for much of the color. You should be careful with juglone. It can cause skin irritation. Apparently people do make ink from it.
- Turing_Machine 2y agoI believe that juglone functions as a natural herbicide, reducing the competition from other trees. Maybe it also has activity against fungi?