Chapter 18: MOA Part 4 – Photosynthesis Inhibitors (PPO & Pigment Inhibitors)
18.1 Objectives
Learning Objectives
After completing this chapter, you will be able to:
- Describe the uniqueness of these SOA and their use of sunlight.
- Describe the role of PPO in healthy plants.
- Explain how PPO inhibitors kill plants.
- Describe the importance of carotenoids in healthy, growing plants.
- Explain why carotenoid inhibitors cause bleaching symptoms in susceptible plants.
- Describe the symptoms seen in susceptible plants to the PPO Inhibitors.
- Describe the symptoms seen in susceptible plants to the Pigment Inhibitors.
- Summarize weed resistance findings to both the PPO Inhibitors and the Pigment Inhibitors.
- Define vocabulary words: PPO, necrosis, photodynamic damage, carotenoid, bleaching, chlorophyll, chloroplast, triplet chlorophyll, singlet oxygen, cell membrane