Pepper Fruit Rots

Pepper internal fruit rot caused primarily by Fusarium lactis has been a continuing problem in UK pepper crops since around 2000. These pages describe the common pepper fruit rots. Information is provided on the biology of each disease and the measures that can be taken to reduce disease risk.

This information was last updated in 2015.

Pepper internal fruit rot, caused primarily by Fusarium lactis, has been a problem in UK crops for decades.

The common pepper fruit rots caused by fungal, oomycete and bacterial pathogens will be detailed on these pages.

Figure 1. Fusarium internal fruit rot. © Tim O’Neill.

How can I manage pepper fruit rots?

• Identify which rot is affecting your crop
• Control glasshouse temperature and humidity
• Ensure good crop and glasshouse hygiene

Disease recognition and biology

Understand the differences between the diseases that cause pepper fruit rots and how they develop.

Minor pepper fruit rots

Take a closer look at some of the other fruit rots that can affect your crop.

Control options for pepper fruit rots

Learn best practice when it comes to controlling these diseases affecting peppers crops.