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Bacterial Plant Pathogens
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Bacterial Plant Pathogens
Bacterial Plant Pathogens
Study
1
Question
What pathogen causes Crown Gall of Roses?
Page 1
Answer
Agrobacterium tumefaciens
2
Question
What host plant is affected by Crown Gall disease?
Page 1
Answer
Roses
3
Question
What galls form in Crown Gall of Roses?
Page 1
Answer
Galls on stem and root
4
Question
What systemic symptom occurs in Crown Gall of Roses?
Page 1
Answer
Systemic yellowing
5
Question
What growth effects are seen in Crown Gall of Roses?
Page 1
Answer
Stunting and reduced flowering
6
Question
What disease is caused by Agrobacterium tumefaciens in roses?
Page 1
Answer
Crown Gall of Roses
7
Question
What pathogen causes Leaf Stripe of Corn?
Page 1
Answer
Acidovorax avenae subsp. avenae
8
Question
What host is affected by Leaf Stripe disease?
Page 1
Answer
Corn
9
Question
What streaks appear in Leaf Stripe of Corn?
Page 1
Answer
Narrow water-soaked streaks along veins
10
Question
What additional symptom accompanies Leaf Stripe of Corn?
Page 1
Answer
Mild stunting
11
Question
What disease is caused by Acidovorax avenae subsp. avenae?
Page 1
Answer
Leaf Stripe of Corn
12
Question
How does Crown Gall differ from Leaf Stripe in symptoms?
Page 1
Answer
Crown Gall shows galls and systemic yellowing; Leaf Stripe shows narrow water-soaked streaks along veins.
13
Question
What pathogen causes Fruit Blotch of Watermelon?
Page 1
Answer
Acidovorax citrulli
14
Question
What host is targeted by Fruit Blotch disease?
Page 1
Answer
Watermelon
15
Question
What lesions appear in Fruit Blotch of Watermelon?
Page 1
Answer
Water-soaked dark green to brown lesions on fruits and leaves
16
Question
What wilting symptoms occur in Fruit Blotch of Watermelon?
Page 1
Answer
Wilting and damping-off
17
Question
What disease does Acidovorax citrulli cause?
Page 1
Answer
Fruit Blotch of Watermelon
18
Question
Which disease causes water-soaked dark green lesions on watermelon fruits?
Page 1
Answer
Fruit Blotch of Watermelon
19
Question
What pathogen causes Goss’ Wilt and Bacterial Canker?
Page 1
Answer
Clavibacter michiganensis
20
Question
What hosts are affected by Goss’ Wilt and Bacterial Canker?
Page 1
Answer
Corn and Tomato
21
Question
What discoloration occurs in Goss’ Wilt?
Page 1
Answer
Stem discoloration and vascular discoloration
22
Question
What wilting and color symptoms are in Goss’ Wilt?
Page 1
Answer
Yellowing and wilting
23
Question
What reproductive symptoms occur in Goss’ Wilt?
Page 1
Answer
Early flower abscission and premature fruit drop
24
Question
What size effect is seen in Goss’ Wilt fruits?
Page 1
Answer
Reduced fruit size
25
Question
What disease is caused by Clavibacter michiganensis?
Page 1
Answer
Goss’ Wilt / Bacterial Canker
26
Question
In corn or tomato with stem vascular discoloration and early flower abscission, what disease is likely?
Page 1
Answer
Goss’ Wilt / Bacterial Canker
27
Question
What pathogen causes Alfalfa wilt?
Page 1
Answer
Clavibacter michiganensis pv. insidiosus
28
Question
What host is affected by Alfalfa wilt?
Page 1
Answer
Alfalfa
29
Question
What vascular symptom is associated with Alfalfa wilt?
Page 1
Answer
Vascular discoloration
30
Question
How does Alfalfa wilt pathogen differ from Goss’ Wilt pathogen?
Page 1
Answer
Alfalfa: Clavibacter michiganensis pv. insidiosus; Goss’: Clavibacter michiganensis