Plant Problem Diagnosis Key / Growing conditions

Growing conditions

Fruit cracking

Fruit swells faster than its skin can stretch when a flush of water follows a dry spell. Ripe and near-ripe fruit cracks most.

Radial cracks from the stem end
Radial cracks from the stem end Photo: Fructibus, CC0, via Wikimedia Commons

Signs

What favors it

Uneven watering, heavy rain after dry weather, excess nitrogen, and ripe fruit left on the plant.

Prevention

Crops it shows up on

Tomato, pepper & eggplant; Apple, pear & stone fruit; Cucumber, squash & melon.

Often confused with

Sources

Why →

Treatment by crop

Cultural, biological and chemical options in the order to use them, and notes written for each crop.

Identification is free. Treatment is on the Home and Pro plans.

Open in the key See plans

Questions in the key that lead here

  1. Look the plant over, leaf undersides included. Are insects, mites, slugs, eggs, webbing or droppings on it?
    No, only damage or discoloration
  2. Where is the problem?
    Fruit, flowers or buds
  3. What is wrong with the fruit or flowers?
    Cracks, holes, or flowers dropping
  4. What do you see?
    Cracks in rings or rays around the stem end

Not a match? Start the key or describe what you see.

More photos

More from university Extension: search Extension pages on fruit cracking, or find a plant diagnostic lab through your state's Extension.

Other growing conditions