Overview of Rust Fungi - Plant Management Network
Overview of Rust Fungi - Plant Management Network
Overview of Rust Fungi - Plant Management Network
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What are rusts?<br />
• only a few have been successfully cultured in vitro on artificial media<br />
(i.e., obligate biotrophs)<br />
• Huge genomes [ca. 90 Mbp (haploid) Cronartium 1 – 400+ Mbp (e.g.<br />
Uromyces 2 )]<br />
• germination <strong>of</strong> basidia from teliospores (=probasidium)<br />
• lack basidiocarps; lack clamp connections; simple septal pores<br />
• complex life cycle (most complex in <strong>Fungi</strong>?)<br />
up to 5 stages (& 7 morphologically distinct spores)<br />
most species need two different plants (taxonomically<br />
unrelated) to complete their life cycle (i.e., heteroecious)<br />
life cycle data missing for many<br />
1 Andersen et al. 2010. Mycologia 102(6):1295-1302; 2 Eilam et al. 1994. Phytopathology 84:728-735.
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