Question

which fungi have two host​

Answer 1

Answer:

Puccinia coronata var. avenae (Crown rust of oats): Oats are the primary host; Rhamnus spp. (Buckthorns) are the alternate hosts.

Explanation:

Heteroecious rust fungi require two unrelated hosts to complete their life cycle, with the primary host being infected by aeciospores and the alternate host being infected by basidiospores. This can be contrasted with an autoecious fungus which can complete all parts of its life cycle on a single host species.

Answer 2

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Puccinia coronata var. avenae (Crown rust of oats): Oats are the primary host; Rhamnus spp. (Buckthorns) are the alternate hosts.