But they are subject to aster yellows
disease, for which there is no cure.
Among the 'technique' contributions are entomopathogenic nematodes, entomopathogenic fungi, cover crops, aster yellows
detection, volatile organic compounds, features of glucosinolates, herbicide resistant plants, and pollination.
Macrosteles quadripunctata, with this 5.15%, this species is a European vector yellows virus ter in Russia and the aster yellows
in the United States.
Leafhopper feeding causes light damage, but leaflaoppers can spread aster yellows
, a disease caused by a tumor-forming bacterium sometimes present in otherwise healthy soils.
One phytoplasma was identified as a member of the aster yellows
group (l6SrI), the other was associated with the peach X-disease group (l6SrIII).
* ASTER YELLOWS
. Stunted, twisted growth and oddly distorted flowers are the symptoms of aster yellows
, a disease which often shows up in midsummer.