Disease in Invasive Plant Populations.

  title={Disease in Invasive Plant Populations.},
  author={Erica M. Goss and Amy E. Kendig and Ashish Adhikari and Brett R. Lane and Nicholas Kortessis and Robert D. Holt and Keith Clay and Philip F. Harmon and S Luke Flory},
  journal={Annual review of phytopathology},
Non-native invasive plants can establish in natural areas, where they can be ecologically damaging and costly to manage. Like cultivated plants, invasive plants can experience a relatively disease-free period upon introduction and accumulate pathogens over time. Diseases of invasive plant populations are infrequently studied compared to diseases of agriculture, forestry, and even native plant populations. We evaluated similarities and differences in the processes that are likely to affect… 
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Invasive grass litter suppresses native species and promotes disease

Interference competition from litter had a stronger negative effect on the native species, increasing the relative abundance of M. vimineum and favoring the invasive species in competition, and increased disease incidence on the natives.

A widespread nitrogen-fixing invader experiences negative soil feedbacks despite enhancing the abundance of beneficial soil microbes

The results do not support the idea that the high densities reached by Cytisus in its invaded range are caused by positive plant-soil feedbacks, likely driven by soilborne pathogens, nutrient depletion, and/ or reduced benefits of mutualists.