by Gary G. Grove
No reviews yet. Be the first!
Cytospora canker of stone fruits
Powdery mildew of cherry
Apple scab
Scab disease of apples ..
Incidence and development of apple scab ...
Scab-immune apple varieties for new orch...
Apple scab (Venturia inaequalis) and pea...
Zur Methodik der Analyse von Epidemien d...