xanthomonas citri subsp citri (xcc) is responsible for one of the most destructive diseases of citrus fruits, asiatic citrus canker. based on the bacterial host range, the pathogenic forms, a, a*, and aw have been identified. a*-type strains are not well characterized and they have been reported to differ from other a-type strains on the basis of biochemical and genetic characteristics. in this...

This series of Key Plant, Pests publications are designed for Florida gardeners, horticulturalists, and landscape professionals to help identify common pests associated with regional flora. new 6-page publication the UF/IFAS Environmental Horticulture Department helps most found on trees in sycamore group, Platanus spp., it provides information general management recommendations lace bug, bacte...

Some of the factors that influence canker development in American sycamores inoculated with Botryodiplodia theobromae conidia were determined. A combination of B. theobromae culture filtrates and conidia resulted in 100% canker production when Iiitroduced into stem wounds; however. a combination of Cephalosporium diospyri culture filtrates and B. theobromae conidia resulted in no canker product...

Smith, J. A., O’Donnell, K., Mount, L. L., Shin, K., Peacock, K., Trulock, A., Spector, T., Cruse-Sanders, J., and Determann, R. 2011. A novel Fusarium species causes a canker disease of the critically endangered conifer, Torreya taxifolia. Plant Dis. 95:633-639. A canker disease of Florida torreya (Torreya taxifolia) has been implicated in the decline of this critically endangered species in i...

Abstract Tomato bacterial canker, caused by Clavibacter michiganensis subsp. ( Cmm ) (Li et al. 2018), is a common destructive disease worldwide. The bacterium colonizes plant’s vascular system causing characteristic symptoms such as wilting, cankers, brown and black discoloration of vessels, white spots on the fruit leaves. In present work, isolates were collected from infected tomato plants 1...