Tuesday, August 21, 2007

Rust Spores

These are the spores of a parasitic fungus that forms orangish-red colored spots on the leaves and stems of plants it grows on. It's called rust because of its color. The fungus usually doesn't kill its host, but may cause stunting and discoloration of the plant. In addition, it may leave the plant more open to other diseases. Lots of rusts can be controlled by dusting the plants with sulfur.

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