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Blossom End Rot

Blossom End Rot, Tomato Blossom End Rot

A close up of a fruit tree with blossom end rot
1 of 2
Although it looks like a fungal attack, Blossom End Rot is caused by environmental factors such as low Calcium content in soils or erratic watering.
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Identification

Shows as a circular patch of darkening tissue at the end of a fruit or vegetable. The patch becomes larger and sunken.

Growth factors

Low Calcium soils or erratic watering

Symptoms

Dark soft patches at the ends of fruit.
Ends of fruit being sunken in.

Biological treatment

Incorporating organic calcium fertiliser to the soil will help stop future fruits from being affected. However, the damaged fruits will remain damaged.

Chemical treatment

Incorporating a chemical calcium fertiliser to the soil will help stop future fruits from being affected. However, the damaged fruits will remain damaged.

Prevention

Maintain healthy soil nutrients. Water regularly.

Affected plants

Some red Solanum lycopersicum tomatoes in a garden

Tomato

Solanum lycopersicum

A close up of a purple Solanum melongena flower

Aubergine

Solanum melongena

A Capsicum annuum plant with red peppers

Pepper

Capsicum annuum

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