What type of fungus causes brown spots on petals?

Prepare for the Floral Design Lab Exam. Master floral arrangements with flashcards and multiple-choice questions, each with hints and detailed explanations. Get ready to ace your test!

The correct answer is Botrytis, which is known for causing brown spots on the petals of various plants and flowers. This fungus, commonly referred to as gray mold, thrives in humid conditions and can infect a wide range of plants, leading to the distinctive browning and decay on flowers. Its spores spread through air and water, making it particularly troublesome in densely planted or poorly ventilated areas. Recognizing Botrytis as the culprit is crucial for effective management and prevention, which can include improving air circulation, reducing humidity, and applying appropriate fungicides when necessary.

The other fungi listed, while significant in their own right, do not typically produce the same symptoms on petals. Pythium is primarily associated with root rot and damping-off diseases, Rhizoctonia has more to do with root and stem rot, and Fusarium primarily affects the vascular system leading to wilting and yellowing of the leaves rather than causing brown spots on petals. Understanding the specific characteristics and effects of Botrytis can aid in better plant care and disease management in floral design and horticulture.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy