What is the primary host range for Cucumber mosaic cucumovirus?

The primary host range for Cucumber mosaic cucumovirus (CMV) includes cucurbits, spinach, and peppers, making the first option the correct response. CMV is widely known for its strong affinity for a variety of cucurbit crops, such as cucumbers, melons, and squash, which are critical economically and agronomically. In addition to these cucurbits, CMV can also infect other plants like spinach and peppers, showcasing its versatility as a pathogen.

Understanding CMV’s host range is crucial for both disease management and the implementation of integrated pest management practices. Recognizing the specific plants CMV targets can help in implementing effective control measures, including the rotation of crops, the selection of resistant varieties, and management of aphid populations that facilitate the virus spread.