black spot diseases by colton alley and chris gillihan
TRANSCRIPT
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