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PLNT 4270 > Fungal diseases pt. 2 > Flashcards

Fungal diseases pt. 2 Flashcards

1
Q

What are the three main fungal classifications?

A
  1. Zygomycetes
  2. Ascomycota
  3. Basidiomycetes
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2
Q

Does Zygomycetes have septate or aseptate hyphae?

A

Aseptate

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3
Q

What are the sexual spores in zygomycetes called?

A

Zygospores

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4
Q

What are the asexual spores in zygomycetes and where are they located?

A

Sporangiospores in the sporangium.

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5
Q

Name one fungus under Zygomycetes and what this fungus causes.

A

Rhizopus. It causes soft rot in fruits and vegetables.

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6
Q

Do Ascomycota have a septate or aseptate hyphae?

A

Septate.

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7
Q

What kind of spores do Ascomycota produce?

A

Sexual spores called Ascospores and asexual spores called Conidia.

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8
Q

What is the fruiting structure of Ascospores called?

A

Asci

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9
Q

What is an example of an Ascomycota that has no ascocarp?

A

Yeast

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10
Q

Name the 4 classes of Ascomycota.

A
  1. Cleistothecium
  2. Perithecium
  3. Psedothecium
  4. Apothecium
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11
Q

What kind of an ascocarp does Cleisothecium have?

A

Closed ascocarp

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12
Q

What kind of an ascocarp does Perithecium have?

A

Ascocarp with ostisole. Ostisole helps push out spores.

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13
Q

What kind of an ascocarp does Pseudothecium have?

A

The ascocarp is immersed in the stroma.

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14
Q

What kind of an ascocarp does Apothecium have?

A

Open, cup-shaped.

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15
Q

Name two types of fungi under Ascomycota.

A
  1. Powdery Mildew
  2. Sclerotinia
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16
Q

What kind of a pathogen is powdery mildew?

A

Foliar pathogen

17
Q

What do the ascospores of sclerotia affect?

A

The blooms.

18
Q

What are 4 examples of basidiomycetes?

A
  1. Mushroom
  2. Shelf-fungi
  3. Rust
  4. Smuts
19
Q

Name one fungus under basidiomycetes.

A

Rhizoctonia

20
Q

What kind of spores are produced by basidiomycetes?

A

Basidiospores.

21
Q

What kind of spores do Rhizoctonia produce?

A

Rarely produce basidiospores.

22
Q

What are the results of a plant infected with Rhizoctonia?

A

Damping off and rots.

23
Q

What is the difference between brown rots and white rots?

A

Brown rot degrades cellulose and white rot degrades lignin

24
Q

What is armillaria root rot?

A

It is a disease that rots the roots of trees.

25
Q

what is the distinct feature of honey mushroom?

A

Ring around the mushroom stalk.

26
Q

What kinds of spores are released by powdery mildew?

A

Ascospores and Conidia

PLNT 4270 (17 decks)

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