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Rusts and smuts

memorize.ai (lvl 286)

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17 cards

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Section 1

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Covered smut

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Rust

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Last updated

6 years ago

Date created

Mar 1, 2020

Cards (17)

Section 1

(17 cards)

Covered smut

Front

Well-developed, persistent peridium surrounding sorus

Back

Front

Back

obligate biotrophs

Front

fungi has to live on living tissue

Back

Loose smut

Front

Thin, delicate peridium that ruptures easily to expose teliospores

Back

Urediniomycetes

Front

Rust

Back

Spermatium

Front

small, one-celled, hyaline; incapable of germination

Back

bunt

Front

a fungus that infects grasses and fills the kernels with masses of black spores

Back

Principal/ primary host

Front

host plant on which heterokaryotic stage occurs

Back

Alternate host

Front

host species with homokaryotic stage

Back

smut fungi

Front

Never require 2 hosts Facultative biotrophs Hosts: angiosperms only Only basidiospore and teliospore stage

Back

rust fungi

Front

May require 2 hosts Obligate biotrophs Hosts: angiosperms and gymnosperms Up to 5 spore stages

Back

Autoecism

Front

Entire life cycle completed on a single host species

Back

Haustorium

Front

A hypha of a parasitic fungus that enters the host's cells, absorbing nutrition directly from the cytoplasm.

Back

Pucciniales

Front

What is the taxonomy of rusts?

Back

Heteroecism

Front

The necessity of two host species for the completion of the life cycle of certain parasitic fungi.

Back

Sorus

Front

Teliospores are formed in _____ Composed of host and fungal tissues Formed in host ovaries, stems, leaves, or roots depending on the smut taxon

Back

Teliospores

Front

Covered smut reproductive spores Survival spores over winter Orange yellow color Have tail to disperse

Back