Beet Pseudo-Yellows

Beet Pseudo-Yellows Virus (BPYV)

Beet Pseudo-Yellowsimage of beet pseudo-yellows damage

Note: Click on the image(s) above to see larger version.

Also known as cucumber yellows and muskmelon yellows, this virus disease is particularly damaging in greenhouse plantings. Older leaves develop interveinal chlorosis that may resemble nutritional deficiency. The yellow tissue between the veins becomes thickened and brittle as the disease progresses, and eventually develop into necrotic lesions. Plant vigor is reduced adversely affecting yield, but fruit may not develop symptoms.

Control of beet pseudo-yellows must focus on control of the greenhouse whitefly, the insect vector of the virus. Since the virus is present in many ornamental, vegetable and weed species, an inoculum is always present. Greenhouse sanitation, crop rotation, and establishment of an ornamentals-free zone around the greenhouses is advised.

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

Comments are closed.