Black Spot Diseases

By Colton Alley and Chris Gillihan

Black Spot photos

What causes black spot

• Most common cause of black spot on plants is fungal and several other types can cause theses sots.

• Over a 1,000 fungal species are known to cause black spot

Sign and Symptoms of Black Spot

• Circular back patches that appear on plant leaves.

• Members of the rose family are most common to this black spot.

• Plant finally dies and loses all its leaves.

How To Control Black Spot

• Identify the diseases

• Implement cultural control

• Use chemical control

• Systematicaly use fungicides

• Practice prevention

What kind of plants may it effect

• Can attack any plant with fleshy leaves and stems

How to prevent black spot

• Plant in full sun

• Plant in area with good air circulation

• Water correctly

• Remove leaves that show signs of infection

• Keep clean garden

• Choose resistant cultivars