Brown birch trees in both Southcentral and Interior Alaska this summer aren't signaling an early fall. Rather, they are subject to an infestation of small, leaf-munching larvae. Alaska is in the midst ...
The pinkish-red spots on your birch’s leaves appear to be erineum patches, which are a type of gall caused by very tiny eriophyid mites feeding on the leaf tissue. You will need a microscope to see ...
A renewable, low impact random laser built from birch leaves and peanuts shows a path to affordable medical diagnostics using fully sustainable materials. (Nanowerk News) Physicists at Umeå University ...
This is a preview. Log in through your library . Abstract Trends in several photosynthetic parameters and their response to changed growth light were followed for 15 d in leaves of young birch ...
Dr. Sydney Brannoch holds a single birch leaf showcasing the damage caused by both species of birch leafminer which are responsible for this current outbreak: amber-marked birch leafminer and late ...