Damage Caused By Temperature Extremes

Lab #1 Non-infectious Diseases

Damage Caused By Temperature Extremes

Winter sunscald

Winter Sunscald: The bark has detached from areas where the cambium was been killed. 

Frost cracks on trees

Frost Cracks: Successive years of frost cracks cause large folds of callus to develop. Frost cracks develop in areas where previous wounds were located.