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Plant Diseases > Fungi Identification - > Flashcards

Fungi Identification - Flashcards

(46 cards)

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1
Q

Rhizopus rot strawberries

A

Rhizopus stolonifer

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2
Q

Rot of Peach

A

Rhizopus stolonifer

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3
Q

Wet rot of squash

A

Choanephora cucurbitarum

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4
Q

Pythium

A

Seed & seedling

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5
Q

Phytopthora

A

Seed & seedling

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6
Q

Gray Leaf Spot of Corn

A

Cercospora

Symptoms: long - rectangular, well-defined

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7
Q

Frogeye leaf spot of soybeans

A

Cercorspora

Symptoms: eyespots

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8
Q

Southern Rust of Corn

A

Orange, big

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9
Q

Wheat Stripe rust

A

Puccinia striform
yellow leaf stripe
Arranged in stripes

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10
Q

Northern corn leaf blight

A

Cigar lesions

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11
Q

Southern Corn leaf blight

A

Small lesions

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12
Q

Fusarium head blight or Fusium head scab of wheat

A

discolored half of the head

Produces vomitoxin

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13
Q

Sudden death syndrome

A

Yellow surrounding lesions

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14
Q

Septoria leaf blight

A

Small brown spots on leaves

Produces Pyendium - filled w/ asexual spores/conidia

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15
Q

Brown Stem rot

A

Stem - brown; looks like SDS

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16
Q

Fusarium stalk rot

A

Bottom - mycelium

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17
Q

Fusarium ear rot

A

Indicidual Kernels

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18
Q

Penicillium ear rot

A

Green/dark mold at top

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19
Q

Gray mold

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A

Botrytis spp.

Post Harvest Diseases

20
Q

Penicillium decay

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A

Penicillium spp.

Post Harvest Diseases

21
Q

Alternaria decay

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A

Alternaria spp.

Post Harvest Diseases

22
Q

Brown Rot

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A

Moniliania fructicola

Post Harvest Diseases

23
Q

Aspergillus rot

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A

Aspergillus spp.

Post Harvest Diseases

24
Q

Anthracnose Colletotrichum

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A

Colletotrichum spp.

Post Harvest Diseases

25
Wheat Leaf Rust
Puccinia Triticinia | Small circular to oval shaped orange/red pustules leaf sheath to tip
26
Wheat Stem Rust
Puccinia gramminis fsp Triticinia | yellow to yellowish red or reddish pustules on leaves, sheath & stems
27
Tan Spot of Wheat
Pyrenophra trici - reprentis | Symptoms: tan lesions w/ yellow margin
28
Loose Smut of Wheat
Black powdery appearance of head
29
Ergot
Ergot sclerotia in wheat infloresence & mixed with Kernels
30
Cotton Rot
Cruciform branching of fungus hyphae
31
Apple Scab
Leaves and fruit infects foliage sexual reproduction
32
Soybean Downy mildew
on bottom on leaf | yellow spots on top
33
Corn Downy mildew
Crazy top - by sclerophtera macrosprora - shows up at tassel stage
34
Rose Powdery mildew
-
35
Powdery mildew of Grape
foliage of grape
36
Powdery mildew of wheat
-
37
Powdery mildew of tomato
-
38
Gibberella Stalk Rot
Most common stalk rot in Corn Belt - Pinkish red discoloration inside the stalk - Black fruiting bodies on the outside - Perithecia
39
Diplodia stalk rot
- Dark Brown/Black pycindia | - Two celled conidia
40
Fusarium Stalk Rot
- White Fungal growth on the outside of stalk | - Pink discoloration on inside of stalk
41
Anthracnose Stalk Rot
Big black spots on stalk surface = fungal acerculli
42
Gibberella Ear Rot
Red or Pink color mold | always starts at the ear tip and progresses to base
43
Diploidia ear rot
Presence of white mycelium of the fungus growing between the kernels; visually starts at base
44
Fusarium Ear Rot
Presence of white, pink, salmon colored mycelium usually scattered throughout ear or localized on injured kernels infectedkernels may turn tan or brown
45
Pencilium ear Rot
Dark-Blue-green mold at ear tip
46
Aspergillius Ear Rot
Olive or yellow green mold growtn between kernels | Anywhere on ear

Plant Diseases (3 decks)

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