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