Symptoms: Fruit develop large cracks radiating out from the stem scar. Cracking may occur on green fruit. Cracks appear weathered and corky if they occur in green fruit. Fruit may develop any of a number of fungal fruit rots at the point of cracking.

What causes radial cracks?

Cracking and splitting occur when rapid changes in soil moisture levels cause fruits to expand quicker than the tomato skin can grow. There are two different patterns this damage may take. Vertical splits along the sides of fruits are known as radial cracking and are the most serious.

What are radial and concentric fractures?

Radial fractures are similar to the spokes of a wheel. Concentric fractures connect the radial fractures in a pattern similar to a spider web.