Zucchini Yellow Mosaic

Zucchini Yellow Mosaic Virus (ZYMV)

image of zucchini yellow mosaic fruit damage

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All cucurbits are susceptible to ZYMV. Affected plants are severely stunted. Leaves are badly mottled and leaves are misshapen, with the margins often having a “tendril” like appearance. Fruit is badly misshapen and bumpy.

Virus is aphid-vectored. Weed control in and around the field is critical, and early-season aphid control is important. Little genetic resistance is available as of this date.

See also The Texas Plant Disease Handbook.

The information given herein is for educational purposes only. Reference to commercial products or trade names is made with the understanding that no discrimination is intended and no endorsement by the Texas AgriLife Extension Service is implied.

Educational programs of the Texas AgriLife Extension Service are open to all people without regard to race, color, sex, disability, religion, age, or national origin.

Publication Revised July 2009

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