Beet leafhopper transmitted virescence agent (BLTVA)
Symptoms of beet leafhopper transmitted virescence agent include reddish purple leaves. Infected plants
often bolt prematurely. Flower parts are malformed, petals that would normally be white are green, and
the flowers proliferate to form multiple, compound, leafy umbels. Diseased plants have woody roots with
an excessive number of lateral rootlets.
SolutionsBLTVA is a phytoplasmalike organism transmitted by the beet leafhopper, Circulifer tenellus. The level
of infection is dependent on the population of vectors. Disease incidence may be greater if carrots are
planted near areas where weeds and other plants provide a reservoir for the organisms and their vectors.
Destroy infected plants. Remove weeds or other plants that may be hosts of the virus or of leafhoppers. |
Dwarfed
shoots of BLTVA
Lateral
rootlets on BLTVA infected plant
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