Paper · 2010 · DOAJ (DOAJ: Directory of Open Access Journals)

Pathogenicity and Host Range of Xanthomonas campestris pv. campestris – Incitant of Black Rot of Crucifers

Nazir A. Bhat1*, Nusrath Syeed2, K. A. Bhat1 and S. A. Mir1

6
claims
15
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

Black rot caused by Xanthomonas campestris pv. campestris (Pammel) Dowson is a serious disease of cabbage in Jammu and Kashmir. Amongst different inoculation methods tested, ‘Vein inoculation’ method gave quicker symptom expression and highest lesion progression followed by ‘Hydathode inoculation’ and ‘Clip inoculation’ methods, respectively. Spray inoculation for stomatal penetration of the pathogen failed to express any symptoms. Host range studies under conditions of artificial inoculation revealed that the bacterium infected almost all the crucifer crops cultivated in Kashmir, besides some cruciferous weeds but failed to infect any of the non-cruciferous plant species tested. Key words: Black rot, cabbage, host range, pathogenicity, Xanthomonas campestris pv. campestris Nazir A. Bhat et al. Pathogenicity and Host Range of Xanthomonas campestris pv. campestris – Incitant of Black Rot of Crucifers. J Phytol 2/10 (2010) 01-05.

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Claims 6

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Vein inoculation gave quicker black rot symptoms and the highest lesion progression.

Treatment
Vein inoculatione0
Interactor
Xanthomonas campestris pv. campestrisXanthomonas campestris pv. campestrist0pathogen
Outcome
quicker symptom expression and highest lesion progressione0
Direction
higheste0
Comparator
Hydathode inoculatione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Brassica oleracea var. capitata
Brassica oleracea var. capitata · TaxonThamizhpparithi Maari · CC BY-SA 4.0 · Wikimedia Commons ↗
Xanthomonas campestris pv. campestris
Xanthomonas campestris pv. campestris · InteractorDavid B. Langston · CC BY 3.0 · Wikimedia Commons ↗

Verbatim

e0

“‘Vein inoculation’ method gave quicker symptom expression and highest lesion progression followed by ‘Hydathode inoculation’ and ‘Clip inoculation’ methods, respectively”

✓ located verbatim in the source · abstract, characters 174–343 · show in text ↑
t0

“Xanthomonas campestris pv. campestris”

✓ located verbatim in the source · title, characters 32–69 · show in text ↑
t1

“disease of cabbage in Jammu and Kashmir”

✓ located verbatim in the source · abstract, characters 87–126 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Hydathode inoculation produced less rapid symptoms than vein inoculation.

Treatment
Hydathode inoculatione0
Interactor
Xanthomonas campestris pv. campestrisXanthomonas campestris pv. campestrist0pathogen
Outcome
Hydathode inoculatione0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Brassica oleracea var. capitata
Brassica oleracea var. capitata · TaxonThamizhpparithi Maari · CC BY-SA 4.0 · Wikimedia Commons ↗
Xanthomonas campestris pv. campestris
Xanthomonas campestris pv. campestris · InteractorDavid B. Langston · CC BY 3.0 · Wikimedia Commons ↗

Verbatim

e0

“followed by ‘Hydathode inoculation’ and ‘Clip inoculation’ methods, respectively”

✓ located verbatim in the source · abstract, characters 263–343 · show in text ↑
t0

“Xanthomonas campestris pv. campestris”

✓ located verbatim in the source · title, characters 32–69 · show in text ↑
t1

“disease of cabbage in Jammu and Kashmir”

✓ located verbatim in the source · abstract, characters 87–126 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Spray inoculation did not produce symptoms.

Treatment
Spray inoculatione0
Interactor
Xanthomonas campestris pv. campestrisXanthomonas campestris pv. campestrist0pathogen
Outcome
symptomse0
Direction
failed to expresse0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Brassica oleracea var. capitata
Brassica oleracea var. capitata · TaxonThamizhpparithi Maari · CC BY-SA 4.0 · Wikimedia Commons ↗
Xanthomonas campestris pv. campestris
Xanthomonas campestris pv. campestris · InteractorDavid B. Langston · CC BY 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Spray inoculation for stomatal penetration of the pathogen failed to express any symptoms”

✓ located verbatim in the source · abstract, characters 345–434 · show in text ↑
t0

“Xanthomonas campestris pv. campestris”

✓ located verbatim in the source · title, characters 32–69 · show in text ↑
t1

“disease of cabbage in Jammu and Kashmir”

✓ located verbatim in the source · abstract, characters 87–126 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

The bacterium infected almost all cultivated crucifer crops in Kashmir.

Taxon
crucifer cropse0
Interactor
Xanthomonas campestris pv. campestrisXanthomonas campestris pv. campestrist0pathogen
Outcome
infected almost all the crucifer cropse0
Setting
Kashmire0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Xanthomonas campestris pv. campestris
Xanthomonas campestris pv. campestris · InteractorDavid B. Langston · CC BY 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the bacterium infected almost all the crucifer crops cultivated in Kashmir”

✓ located verbatim in the source · abstract, characters 512–586 · show in text ↑
t0

“Xanthomonas campestris pv. campestris”

✓ located verbatim in the source · title, characters 32–69 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

The bacterium infected some cruciferous weeds.

Taxon
cruciferous weedse0
Interactor
Xanthomonas campestris pv. campestrisXanthomonas campestris pv. campestrist0pathogen
Outcome
some cruciferous weedse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Xanthomonas campestris pv. campestris
Xanthomonas campestris pv. campestris · InteractorDavid B. Langston · CC BY 3.0 · Wikimedia Commons ↗

Verbatim

e0

“besides some cruciferous weeds”

✓ located verbatim in the source · abstract, characters 588–618 · show in text ↑
t0

“Xanthomonas campestris pv. campestris”

✓ located verbatim in the source · title, characters 32–69 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The bacterium did not infect tested non-cruciferous species.

Taxon
non-cruciferous plant speciese0
Interactor
Xanthomonas campestris pv. campestrisXanthomonas campestris pv. campestrist0pathogen
Outcome
failed to infecte0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Xanthomonas campestris pv. campestris
Xanthomonas campestris pv. campestris · InteractorDavid B. Langston · CC BY 3.0 · Wikimedia Commons ↗

Verbatim

e0

“failed to infect any of the non-cruciferous plant species tested”

✓ located verbatim in the source · abstract, characters 623–687 · show in text ↑
t0

“Xanthomonas campestris pv. campestris”

✓ located verbatim in the source · title, characters 32–69 · show in text ↑

inoculation · Xanthomonas campestris pv. campestris · Brassica oleracea (wild cabbage)Positive and negative results

6 papers: 4 positive, 2 negative or no effect

3 papers in the same direction as this paper · 2 in the opposite direction

  1. negative
  2. negative
  3. positive

2 papers more in this group

See all 6 papers →

application · Xanthomonas campestris pv. campestris · Brassica oleracea (wild cabbage)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

1 paper more in this group

See all 5 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.