Meaning of X-disease | Babel Free

Definitions

1. Any of various diseases of plants or animals whose origin was at first a mystery, especially:
2. Hyperkeratosis in cattle.
3. A disease of stone fruits caused by a form of mycoplasma.

Examples

“In making a diagnosis of X-disease, one must consider the insidious onset, slow course, and number of animals affected.”

“At the time of its first occurrence, nothing was known about the cause of X-disease or whether it could be treated and cured.”

“Crankcase oils may contain chlorinated naphthalenes, which have been reported to contribute to "X-disease" (hyperkeratosis) in cattle.”

“For example, a 1940s claim attributed to DDT, without a shred of evidence, a mysterious cattle disease known as X-disease (discussed further in appendix 4).”

“Transmission of X-disease was more erratic with peach than with chokecherry buds, possibly because only low titers of the X-disease mycoplasma-like organisms (MLO) are present in infected peach trees during most of the year.”

“Studies of the phytoplasma associated with choke cherry X-disease in North Dakota.”

“A number of other yellows diseases of trees are of major importance throughout the world either because of local impact or widespread distribution. Among these are Prunus X-disease, pear decline, elm phloem necrosis, apple proliferation, the witches'—broom diseases of paulownia and jujube, and the greening and stubborn diseases of citrus.”

CEFR level