CDFA Pest Prevention Plant Regulation Practice Exam

Ozonium root rot is categorized as which type of organism?

1. A. virus

2. B. bacteria

3. C. fungus

4. D. parasite

The correct answer is: C. fungus

Ozonium root rot is caused by a specific type of organism known as a fungus. This classification is important because the management and control strategies for fungal diseases differ significantly from those of viruses, bacteria, or parasites. Fungi thrive in moist environments and can infect plant roots, leading to significant damage and affecting the plant's overall health. They often produce spores, which can spread through water, soil, or even airborne particles. Understanding that ozonium root rot is a fungal disease allows for the implementation of appropriate cultural practices and treatment options, such as the use of fungicides or adjustments in watering practices to reduce soil moisture and improve drainage. In light of this understanding, the answer identifies that the causative agent of ozonium root rot falls within the distinct biological classification of fungi, which is critical for effective pest prevention and plant health management.