Paper · 2002 · Pest Management Science

Induction of phytoalexins in pigeonpea ( Cajanus cajan ) in response to inoculation with Fusarium udum and other treatments

Paul S Marley; Rory J Hillocks

4
claims
8
verbatim quotes
15
citations
2
research areas
—
Not open access

Abstract

Cajanol accumulation was monitored in four cultivars of pigeonpea, Cajanus cajan (L) Millsp, after inoculation with 2 x 10(6) conidia ml-1 of Fusarium udum Butler. Rapid accumulation was observed only in wilt-resistant cultivar ICP 9145. Another wilt-resistant cultivar, ICP 8863, had low levels of cajanol similar to those in wilt-susceptible cultivars ICP 2376 and Malawi local, indicating that rapid cajanol accumulation is not positively correlated with resistance to wilt in pigeonpea. A comparison of various inducing agents showed live conidia of the pathogen to cause more rapid accumulation than the other agents.

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Claims 4

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Rapid cajanol accumulation after Fusarium udum inoculation occurred only in wilt-resistant cultivar ICP 9145.

Taxon
pigeonpeaCajanus cajane0
Material
ICP 9145e1
Treatment
inoculation with 2 x 10(6) conidia ml-1 of Fusarium udum Butlere0
Interactor
Fusarium udumFusarium udume0pathogen
Outcome
Cajanol accumulatione0
Direction
increaseinferrede0

Not reportedComparator

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Cajanol accumulation was monitored in four cultivars of pigeonpea, Cajanus cajan (L) Millsp, after inoculation with 2 x 10(6) conidia ml-1 of Fusarium udum Butler”

✓ located verbatim in the source · abstract, characters 0–162 · show in text ↑
e1

“Rapid accumulation was observed only in wilt-resistant cultivar ICP 9145”

✓ located verbatim in the source · abstract, characters 164–236 · show in text ↑
Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Cajanol levels in wilt-resistant cultivar ICP 8863 were low and similar to those in wilt-susceptible cultivars.

Taxon
pigeonpeaCajanus cajane0
Material
ICP 8863e1
Outcome
levels of cajanole1
Comparator
wilt-susceptible cultivars ICP 2376 and Malawi locale1

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Cajanol accumulation was monitored in four cultivars of pigeonpea, Cajanus cajan (L) Millsp, after inoculation with 2 x 10(6) conidia ml-1 of Fusarium udum Butler”

✓ located verbatim in the source · abstract, characters 0–162 · show in text ↑
e1

“Another wilt-resistant cultivar, ICP 8863, had low levels of cajanol similar to those in wilt-susceptible cultivars ICP 2376 and Malawi local”

✓ located verbatim in the source · abstract, characters 238–379 · show in text ↑
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Rapid cajanol accumulation is not positively correlated with resistance to wilt in pigeonpea.

Taxon
pigeonpeaCajanus cajane0
Compound
cajanole0
Outcome
resistance to wilte0
Direction
not positively correlatede0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“rapid cajanol accumulation is not positively correlated with resistance to wilt in pigeonpea”

✓ located verbatim in the source · abstract, characters 397–489 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Live conidia of the pathogen induced more rapid cajanol accumulation than the other inducing agents.

Taxon
pigeonpeaCajanus cajant0
Treatment
live conidia of the pathogene0
Interactor
Fusarium udumFusarium udumt1pathogen
Outcome
accumulatione0
Direction
more rapide0
Comparator
other agentse0

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“live conidia of the pathogen to cause more rapid accumulation than the other agents”

✓ located verbatim in the source · abstract, characters 538–621 · show in text ↑
t0

“Induction of phytoalexins in pigeonpea”

✓ located verbatim in the source · title, characters 0–38 · show in text ↑
t1

“inoculation with Fusarium udum”

✓ located verbatim in the source · title, characters 72–102 · show in text ↑

inoculation · molecular: metabolites · Cajanus cajan (pigeon pea)Positive and negative results

4 papers: 3 positive, 1 negative or no effect

2 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive
See all 4 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.