What is it about?
A rust disease of invasive two blackberry species in Oregon, caused by Phragmidium violaceum, has been considered for biological control. In this study, however, the two differ in susceptibility to disease. One, Rubus armeniacus, is not susceptible, and the other, R. praecox, is. Information on how to distinguish the two species morphologically is presented. Each is common and widespread in Oregon.
Featured Image
Why is it important?
The ability to distinguish the two species morphologically facilitates field identification and study. It is also clear that the rust disease will not be a factor in management of R. armeniacus and that other approaches will be needed for control of this invasive species. Ability to identify R. praecox in the field will make possible the measurement of damage from disease and subsequent effects of disease on populations.
Perspectives
Results are based upon collection of field data that is supported by greenhouse inoculations. Sampling was made over a fairly large geographic area, which strengthens our ability to interpret and understand results. The practical tests provide very important information to those managing these invasive species.
William Bruckart
Read the Original
This page is a summary of: Invasive Blackberry Species in Oregon: Their Identity and Susceptibility to Rust Disease and the Implications for Biological Control, Invasive Plant Science and Management, June 2017, Cambridge University Press,
DOI: 10.1017/inp.2017.12.
You can read the full text:
Contributors
The following have contributed to this page
