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Californian thistle (Cirsium arvense): endophytes and Puccinia punctiformis

Kentjens, W
Casonato, Seona
Kaiser, Clive
Journal Article
Fields of Research
ANZSRC::300409 Crop and pasture protection (incl. pests, diseases and weeds) , ANZSRC::300804 Horticultural crop protection (incl. pests, diseases and weeds) , ANZSRC::300210 Sustainable agricultural development , ANZSRC::3004 Crop and pasture production , ANZSRC::3109 Zoology , ANZSRC::4104 Environmental management
Californian thistle (Cirisum arvense) is a troublesome weed in pastures and cropping systems. The fungal biocontrol agent Puccinia punctiformis, commonly referred to as thistle rust, performs inconsistently on C. arvense. Problems with P. punctiformis establishment and control of C. arvense may be attributable to differing plant endophytic populations in various environments. This article provides an overview of the relationships between endophytes and their host, but also between endophytes and pathogens with a focus on rust pathogens. This review provides insights into reasons why P. punctiformis performs inconsistently and identifies gaps in our knowledge. Filling these gaps may help to improve performance of this classical fungal biocontrol agent.
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