infectious disease in plants

• What should you be able to describe by the end of the video on infectious diseases in plants?

  The causes and symptoms of infectious diseases in plants
• What are the two infectious diseases in plants discussed in the video?

  Tobacco mosaic virus and rose black spot
• Why is it important to learn about specific details of infectious diseases in plants?

  Because they could be asked in your exam
• What is tobacco mosaic virus also known as?

  TMV
• What types of plants can be infected by tobacco mosaic virus?

  A number of different plant species including tomatoes
• What symptom does tobacco mosaic virus cause in plant leaves?

  Leaves discolor in a mosaic pattern
• How does the discoloration caused by tobacco mosaic virus affect the plant's growth?

  It reduces the rate of photosynthesis, leading to reduced growth
• What is the second plant disease discussed in the video?

  Rose black spot
• What causes rose black spot?

  A fungus
• What symptoms does rose black spot cause in leaves?

  Leaves develop purple or black spots, turn yellow, and fall off
• How does rose black spot affect the plant's growth?

  It reduces the rate of photosynthesis, leading to reduced growth
• What are the two ways to treat rose black spot?

  Spraying with fungicides and removing infected leaves
• What are fungicides used for in the treatment of rose black spot?

  To kill fungi
• What should you do with infected leaves of plants affected by rose black spot?

  Remove and destroy them
• Where can you find more questions on infectious plant diseases?

  In the vision workbook
• What is the overall goal of the video regarding infectious diseases in plants?

  To help you describe the causes and symptoms of these diseases