citrus canker


Also found in: Dictionary, Wikipedia.

citrus canker

[′si·trəs ‚kaŋ·kər]
(plant pathology)
A bacterial disease of citrus plants caused by Xanthomonas citri and producing lesions on twigs, foliage, and fruit.
References in periodicals archive ?
Choosing a suitable rootstock should take many factors into account, and the possibility of establishing a resistance criterion to citrus canker for canopy variety is an important feature in the integrated management or prevention of disease, especially in regions where citrus cankeris endemic (Danos, Berger, & Stall, 1984, Agostini, Graham, & Timmer, 1985).
Infected leaves and fruit samples of respective crop plants showing typical symptoms of oily spot of pomegranate, citrus canker and bacterial blight of cotton were collected for isolation of bacterium Nutrient agar with the addition of sucrose (NAS) medium was used for isolation and maintenance of the bacterium.
Soil application of imidacloprid and related SAR-inducing compounds produces effective and persistent control of citrus canker.
CLM is considered a cause to enhance the of citrus canker disease which is caused by the bacteria (Xanthomonas) by opening the leaf cuticle to infection and rise the number and damage of lesions (Sohi and Sandhu, 1968; Sinha et al.
On the older leaves, brownish patches fashioned, which served as foci of infection for citrus canker.
The invasive citrus canker causes unsightly lesions on lemons, limes, oranges and grapefruits in Florida, making them unfit for sale.
Citrus canker struck the state in the late 1990s and early 2000s, causing the implementation of the controversial U.
The major biotic constrains include diseases such as CVC, citrus canker, leprosis, tristeza, black spot, sudden death, and more recently, huanglongbing (ex-greening), in addition to many pests.
We've been fighting this greening disease in Florida, but HLB is worse than citrus canker because it kills the trees, whereas canker only affects fruit quality," he told CubaNews by phone from IFAS headquarters in Gainesville, Fla.
While the statute's legislative history was spotty to say the least, senate committee hearing tapes indicated that the legislation's rationale was Florida's citrus canker eradication program.
In addition to the reduction of the photosynthetic arca, mining may facilitate the access of the citrus canker bacteria (Chagas and Parra 2000; Ujiye 2000; Chagas et al.