The asteryellowsdisease is caused by the asteryellows phytoplasma (AYP), which is a phloem-limited, bacterium-like organism and is vectored by the aster leafhopper, Macrosteles... Practices for Combatting AsterYellows. We can’t prevent the aster leafhopper from visiting our yard, but we can limit the available hosts for the disease to live from one season to the next. Asteryellows virus is a disease carried from an infected plant to a healthy one by a creature known to entomologists as Macrosteles fascifrons and to gardeners as aster leafhopper. Asteryellows is a plant disease that can infect over 300 species of woody and herbaceous ornamentals, vegetables, and weeds in 38 plant families as well as a number of grain... What Is AsterYellowsDisease?Weeding, especially plantain (a perennial weed) and dandelion, which are prime carriers of the asteryellows pathogen, also helps to control the disease. Asteryellows is a devastating disease of many herbaceous ornamental plants and edible food crops. The disease is incurable and is easily spread from plant to plant by leafhopper insects. Stunting and deformed growth of young plants are typical symptoms of asteryellows. This disease is caused by a bacterialike organism called a phytoplasma... The diseaseasteryellows is infecting purple cone flower and other plants. It is wise to be able to recognize symptoms of this disease. Asteryellows are transmitted mainly by aster leafhoppers, insects that carry the disease in their salivary glands. The data give additional support to the hypothesis that asteryellowsdisease is caused by a mycoplasma-like microorganism.
