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Plant Pathology > Characteristics of the Major Classes of Fungi > Flashcards

Characteristics of the Major Classes of Fungi Flashcards

Chapter 2

1
Q

Acervulus

A

A subepidermal, saucer-shaped,asexual fruting body producing conidia on short conidiophores.

Ascomycetes

Asexual

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2
Q

Apothecium

A

An open cup- or saucer-shaped ascocarp.

Ascomycetes

Sexual

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3
Q

Ascospores

A

A sexually produced spore borne in an ascus.

Ascomycetes

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4
Q

Ascus

A

A scalike cell of hypha in which meiosis occurs and which contains the ascospores (usually 8)

Ascomycetes

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5
Q

Aseptate

A

Having no cross walls; lacking septa.

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6
Q

Basidiospore

A

Haploid (1N) sexual spore produced on a basidium.

Basidiomycetes

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7
Q

Chlamydospore

A

Thick walled or double walled asexual resting spore formed from hyphal cells (terminal or intercalary) or by transformation of conidial cell that can function as an overwintering stage.

Deuteromycetes

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8
Q

Coenocytic

A

Having multiple nuclei embedded in cytoplasm without cross walls.

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9
Q

Conidiophore

A

Simple or branched hypha on which conidia are produced.

Ascomycetes, Basidiomycetes, & Deuteromycetes

Asexual

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10
Q

Synnema

-or-

Coremium

A

A headlike cluster formed by compact or fused, genereally upright condiophores, with branches and spores.

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11
Q

Mushroom

A

Fleshy fruiting body of a fungus.

Basidiomycetes

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12
Q

Non-septate

A

Lacking cross walls; septa are absent from hyphae.

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13
Q

Oospore

A

Thick walled, sexually produced resting spore.

Oomycetes

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14
Q

Perithecium

A

Flask-shaped, thin-walled fungus fruting body (ascocarp) containing asci and ascospores; spores are expelled through a pore (ostiole) at the apex.

Ascomycetes

Asexual

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15
Q

Plasmodium

A

Exposed, multinucleate mass of protoplasm moving and feeding in amoeboid fashion.

Myxomycetes & Plasmodiophoromycetes

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16
Q

Pycnidium

A

Asexual, globose or flask-shaped fruting body containing conidia.

17
Q

Sclerotium

A

A vegetative resting body of a fungus, composed of a compact mass of hyphae with or without host tissue, ususally with a darkened rind.

18
Q

Sporangiophore

A

Sporangium-bearing body of a fungus.

19
Q

Sporangiospore

A

Nonmotile, asexual spore that is borne in a sporangium.

20
Q

Sporangium

A

Saclike fungal structure in which the entire contents are converted into an indefinite number of asexual spores.

21
Q

Sporodochium

A

Superficial, cushion-shaped asexual fruiting body consisting of a cluster of conidiophores.

22
Q

Stroma

A

Compact mass of mycelium that supports fruiting bodies or in which fruiting bodies are embedded.

23
Q

Zoospore

A

Spore with flagella, capable of locomotion in water.

24
Q

Zygospore

A

Sexual resting spore formed from the union of gametangia.

Zygomycetes

Plant Pathology (1 decks)

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