Fastidious Vascular-Colonizing Bacteria

Question 1

TYPES OF FASTIDIOUS BACTERIA

Answer 1

1. phloem-inhabiting
2. xylem-inhabiting

Question 2

FASTIDIOUS PHLOEM-INHABITING BACTERIA

Answer 2

1. yellow symptoms
2. phloem necrosis
3. ‘rickettsia-like organism’

Question 3

PLANT DISEASE CAUSED BY PHLOEM-INHABITING BACTERIA

Answer 3

1. citrus huanglongbing

Question 4

CITRUS HUANGLONGBING

Answer 4

1. causal organism: Candidatus Liberibacter
2. insect vector: Citrus Psyllid

Question 5

SPECIES OF CANDIDATUS LIBERIBACTER

Answer 5

1. asiaticus
2. americanus
3. africanus

Question 6

FASTIDIOUS XYLEM-INHABITING BACTERIA

Answer 6

1. transmitted by xylem-feeding leafhoppers

Question 7

PLANT DISEASE CAUSED BY XYLEM-INHABITING BACTERIA

Answer 7

1. pierce’s disease of grape

Question 8

PIERCE’S DISEASE OF GRAPE

Answer 8

1. causal organism: Xylella fastidiosa
2. insect vector: glassy winged sharpshooter