Heteroecious
From Wikipedia, the free encyclopedia
A heteroecious parasite is one that requires at least two hosts. The primary host is the host in which the parasite spends its adult life; the other is the secondary host.
Heteroecious parasites include:
- Gymnosporangium (Cedar-apple rust); the juniper is the primary (telial) host and the apple, pear or hawthorn is the secondary (aecial) host
- Cronartium ribicola (White pine blister rust); the primary host are white pines, and currants the secondary.
[edit] History
The phenomenon of heteroecy was first discovered by A.S. Ørsted in 1863.
- Ørsted, A.S. (1963) Om Sygdomme hos Planterne, som foraarsages af Snyltesvampe, navnlig om Rust og Brand og om Midlerne til deres Forebyggelse. Kjøbenhavn.
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