x-disease


Also found in: Medical.

x-dis·ease

(ĕks′dĭ-zēz′)
n.
Any of various diseases of unknown cause, especially a disease of peaches and other stone fruits thought to be caused by a phytoplasma transmitted by leafhoppers.
References in periodicals archive ?
One phytoplasma was identified as a member of the aster yellows group (l6SrI), the other was associated with the peach X-disease group (l6SrIII).
Molecular detection of diverse mycoplasmalike organisms (MLOs) associated with grapevine yellows and their classification with aster yellows, X-disease, and elm yellows MLOs.
Buckskin disease, also called X-disease, is caused by a micro-organism that is carried from infected trees to new victims by mountain leafhoppers, Colladonus montanus, and by Flor's leafhoppers, Fieberiella florii.
Its demise would be through another agency--what used to be called (and perhaps still should be) the California X-Disease.
Buckskin disease, also called X-disease, is caused by a mycoplasmalike microorganism that is carried from infected trees to new victims by leafhoppers," says Jerry K.