Paper · 2000 · Canadian Journal of Microbiology

Combined effects of Brassica napus seed meal and Trichoderma harzianum on two soilborne plant pathogens

Louise-Marie Dandurand; Rachel D Mosher; Guy R Knudsen

13
claims
27
verbatim quotes
35
citations
2
research areas
—
Not open access

Abstract

The effects of soil amendment with rapeseed meal from Brassica napus cv. 'Dwarf Essex' (high glucosinolate concentrations) and 'Stonewall' (low glucosinolate concentrations) on the biological control activity of Trichoderma harzianum towards Sclerotinia sclerotiorum and Aphanomyces euteiches were evaluated. Trichoderma harzianum added to soil reduced myceliogenic germination of S. sclerotiorum by 94%, but did not affect carpogenic germination. In contrast, 100% reduction in carpogenic germination was observed in soil amended with Dwarf Essex meal, along with a 33% reduction in myceliogenic germination. With Stonewall meal as soil amendment, carpogenic germination was reduced by 44% and myceliogenic germination was not affected. Both Dwarf Essex and Stonewall meals inhibited colonization of sclerotia in soil by T. harzianum, from 100% to 0% and 8%, respectively, so that biocontrol activity of T. harzianum was reduced in the presence of either meal. Aphanomyces euteiches root rot of pea was significantly reduced by T. harzianum alone (100%), by amendment with Dwarf Essex meal alone (77%), and by T. harzianum in combination with Dwarf Essex meal (100%). Amendment with Stonewall meal alone did not control root rot, and combination of Stonewall meal with T. harzianum reduced the biocontrol efficacy of T. harzianum.

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Claims 13

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Trichoderma harzianum reduced Sclerotinia myceliogenic germination by 94%.

Taxon
Brassica napusBrassica napust0
Treatment
Trichoderma harzianum added to soile0
Interactor
S. sclerotiorumSclerotinia sclerotiorume0pathogen
Second interactor
Trichoderma harzianumTrichoderma harzianume0biocontrol_agent
Outcome
myceliogenic germination of S. sclerotiorume0
Direction
reducede0
Value
94%e0

Not reportedComparator

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

Brassica napus
Brassica napus · TaxonDidier Descouens · CC BY-SA 4.0 · Wikimedia Commons ↗
Sclerotinia sclerotiorum
Sclerotinia sclerotiorum · InteractorRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗
Trichoderma harzianum
Trichoderma harzianum · Second interactorUS Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Trichoderma harzianum added to soil reduced myceliogenic germination of S. sclerotiorum by 94%, but did not affect carpogenic germination.”

✓ located verbatim in the source · abstract, characters 309–447 · show in text ↑
t0

“Combined effects of Brassica napus seed meal and Trichoderma harzianum on two soilborne plant pathogens”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Trichoderma harzianum did not affect Sclerotinia carpogenic germination.

Taxon
Brassica napusBrassica napust0
Treatment
Trichoderma harzianum added to soile0
Interactor
S. sclerotiorumSclerotinia sclerotiorume0pathogen
Second interactor
Trichoderma harzianumTrichoderma harzianume0biocontrol_agent
Outcome
carpogenic germinatione0
Direction
did not affecte0

Not reportedComparator

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

Brassica napus
Brassica napus · TaxonDidier Descouens · CC BY-SA 4.0 · Wikimedia Commons ↗
Sclerotinia sclerotiorum
Sclerotinia sclerotiorum · InteractorRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗
Trichoderma harzianum
Trichoderma harzianum · Second interactorUS Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Trichoderma harzianum added to soil reduced myceliogenic germination of S. sclerotiorum by 94%, but did not affect carpogenic germination.”

✓ located verbatim in the source · abstract, characters 309–447 · show in text ↑
t0

“Combined effects of Brassica napus seed meal and Trichoderma harzianum on two soilborne plant pathogens”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Dwarf Essex meal eliminated Sclerotinia carpogenic germination.

Taxon
Brassica napusBrassica napust0
Material
Dwarf Essexe0
Treatment
soil amended with Dwarf Essex meale0
Interactor
S. sclerotiorumSclerotinia sclerotiorume2pathogene0
Outcome
carpogenic germinatione0
Direction
reductione0
Value
100%e0

Not reportedComparator

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

Brassica napus
Brassica napus · TaxonDidier Descouens · CC BY-SA 4.0 · Wikimedia Commons ↗
Sclerotinia sclerotiorum
Sclerotinia sclerotiorum · InteractorRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“100% reduction in carpogenic germination was observed in soil amended with Dwarf Essex meal”

✓ located verbatim in the source · abstract, characters 461–552 · show in text ↑
t0

“Combined effects of Brassica napus seed meal and Trichoderma harzianum on two soilborne plant pathogens”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
e2

“Trichoderma harzianum added to soil reduced myceliogenic germination of S. sclerotiorum by 94%, but did not affect carpogenic germination.”

✓ located verbatim in the source · abstract, characters 309–447 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Dwarf Essex meal reduced Sclerotinia myceliogenic germination by 33%.

Taxon
Brassica napusBrassica napust0
Treatment
Dwarf Essex meale2
Outcome
myceliogenic germinatione0
Direction
reductione0
Value
33%e0

Not reportedComparator

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

Brassica napus
Brassica napus · TaxonDidier Descouens · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“a 33% reduction in myceliogenic germination”

✓ located verbatim in the source · abstract, characters 565–608 · show in text ↑
t0

“Combined effects of Brassica napus seed meal and Trichoderma harzianum on two soilborne plant pathogens”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
e2

“100% reduction in carpogenic germination was observed in soil amended with Dwarf Essex meal”

✓ located verbatim in the source · abstract, characters 461–552 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Stonewall meal reduced Sclerotinia carpogenic germination by 44%.

Taxon
Brassica napusBrassica napust0
Material
Stonewalle0
Treatment
Stonewall meal as soil amendmente0
Outcome
carpogenic germinatione0
Direction
reducede0
Value
44%e0

Not reportedComparator

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

Brassica napus
Brassica napus · TaxonDidier Descouens · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“With Stonewall meal as soil amendment, carpogenic germination was reduced by 44%”

✓ located verbatim in the source · abstract, characters 610–690 · show in text ↑
t0

“Combined effects of Brassica napus seed meal and Trichoderma harzianum on two soilborne plant pathogens”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Stonewall meal did not affect Sclerotinia myceliogenic germination.

Taxon
Brassica napusBrassica napust0
Treatment
Stonewall meal as soil amendmente0
Outcome
myceliogenic germinatione0
Direction
not affectede0

Not reportedComparator

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

Brassica napus
Brassica napus · TaxonDidier Descouens · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“With Stonewall meal as soil amendment, carpogenic germination was reduced by 44% and myceliogenic germination was not affected.”

✓ located verbatim in the source · abstract, characters 610–737 · show in text ↑
t0

“Combined effects of Brassica napus seed meal and Trichoderma harzianum on two soilborne plant pathogens”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Dwarf Essex meal inhibited Trichoderma colonization of sclerotia from 100% to 0%.

Taxon
Brassica napusBrassica napust0
Treatment
Dwarf Essexe0
Interactor
T. harzianumTrichoderma harzianume0biocontrol_agent
Outcome
colonization of sclerotia in soil by T. harzianume0
Direction
inhibitede0
Value
0%e0
Comparator
100%e0

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

Brassica napus
Brassica napus · TaxonDidier Descouens · CC BY-SA 4.0 · Wikimedia Commons ↗
Trichoderma harzianum
Trichoderma harzianum · InteractorUS Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Both Dwarf Essex and Stonewall meals inhibited colonization of sclerotia in soil by T. harzianum, from 100% to 0% and 8%, respectively”

✓ located verbatim in the source · abstract, characters 738–872 · show in text ↑
t0

“Combined effects of Brassica napus seed meal and Trichoderma harzianum on two soilborne plant pathogens”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Stonewall meal inhibited Trichoderma colonization of sclerotia from 100% to 8%.

Taxon
Brassica napusBrassica napust0
Treatment
Stonewalle0
Interactor
T. harzianumTrichoderma harzianume0biocontrol_agent
Outcome
colonization of sclerotia in soil by T. harzianume0
Direction
inhibitede0
Value
8%e0
Comparator
100%e0

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

Brassica napus
Brassica napus · TaxonDidier Descouens · CC BY-SA 4.0 · Wikimedia Commons ↗
Trichoderma harzianum
Trichoderma harzianum · InteractorUS Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Both Dwarf Essex and Stonewall meals inhibited colonization of sclerotia in soil by T. harzianum, from 100% to 0% and 8%, respectively”

✓ located verbatim in the source · abstract, characters 738–872 · show in text ↑
t0

“Combined effects of Brassica napus seed meal and Trichoderma harzianum on two soilborne plant pathogens”

✓ located verbatim in the source · title, characters 0–103 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Trichoderma alone reduced Aphanomyces pea root rot by 100%.

Treatment
T. harzianum alonee0
Interactor
Aphanomyces euteichesAphanomyces euteichese0pathogen
Second interactor
T. harzianumTrichoderma harzianume0biocontrol_agent
Outcome
Aphanomyces euteiches root rote0
Direction
reducede0
Value
100%e0

Not reportedComparator

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

Lathyrus oleraceus
Lathyrus oleraceus · TaxonRenee Comet (photographer) AV Number: AV-9400-4164 · Public domain · Wikimedia Commons ↗
Trichoderma harzianum
Trichoderma harzianum · Second interactorUS Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Aphanomyces euteiches root rot of pea was significantly reduced by T. harzianum alone (100%)”

✓ located verbatim in the source · abstract, characters 962–1054 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Dwarf Essex meal alone reduced Aphanomyces pea root rot by 77%.

Treatment
amendment with Dwarf Essex meal alonee0
Outcome
Aphanomyces euteiches root rote1
Direction
reducede1
Value
77%e0

Not reportedComparator

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

Lathyrus oleraceus
Lathyrus oleraceus · TaxonRenee Comet (photographer) AV Number: AV-9400-4164 · Public domain · Wikimedia Commons ↗

Verbatim

e0

“by amendment with Dwarf Essex meal alone (77%)”

✓ located verbatim in the source · abstract, characters 1056–1102 · show in text ↑
e1

“Aphanomyces euteiches root rot of pea was significantly reduced by T. harzianum alone (100%), by amendment with Dwarf Essex meal alone (77%), and by T. harzianum in combination with Dwarf Essex meal (100%).”

✓ located verbatim in the source · abstract, characters 962–1168 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Trichoderma plus Dwarf Essex meal reduced Aphanomyces pea root rot by 100%.

Treatment
T. harzianum in combination with Dwarf Essex meale0
Outcome
Aphanomyces euteiches root rote1
Direction
reducede1
Value
100%e0

Not reportedComparator

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

Lathyrus oleraceus
Lathyrus oleraceus · TaxonRenee Comet (photographer) AV Number: AV-9400-4164 · Public domain · Wikimedia Commons ↗

Verbatim

e0

“by T. harzianum in combination with Dwarf Essex meal (100%)”

✓ located verbatim in the source · abstract, characters 1108–1167 · show in text ↑
e1

“Aphanomyces euteiches root rot of pea was significantly reduced by T. harzianum alone (100%), by amendment with Dwarf Essex meal alone (77%), and by T. harzianum in combination with Dwarf Essex meal (100%).”

✓ located verbatim in the source · abstract, characters 962–1168 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Stonewall meal alone did not control pea root rot.

Treatment
Stonewall meal alonee0
Outcome
root rote0
Direction
did not controle0

Not reportedComparator

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

Lathyrus oleraceus
Lathyrus oleraceus · TaxonRenee Comet (photographer) AV Number: AV-9400-4164 · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Amendment with Stonewall meal alone did not control root rot”

✓ located verbatim in the source · abstract, characters 1169–1229 · show in text ↑
e1

“Aphanomyces euteiches root rot of pea was significantly reduced by T. harzianum alone (100%), by amendment with Dwarf Essex meal alone (77%), and by T. harzianum in combination with Dwarf Essex meal (100%).”

✓ located verbatim in the source · abstract, characters 962–1168 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Stonewall meal combined with Trichoderma reduced Trichoderma biocontrol efficacy.

Treatment
combination of Stonewall meal with T. harzianume0
Outcome
biocontrol efficacy of T. harzianume0
Direction
reducede1

Not reportedComparator

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

Lathyrus oleraceus
Lathyrus oleraceus · TaxonRenee Comet (photographer) AV Number: AV-9400-4164 · Public domain · Wikimedia Commons ↗

Verbatim

e0

“combination of Stonewall meal with T. harzianum reduced the biocontrol efficacy of T. harzianum.”

✓ located verbatim in the source · abstract, characters 1235–1331 · show in text ↑
e1

“Aphanomyces euteiches root rot of pea was significantly reduced by T. harzianum alone (100%), by amendment with Dwarf Essex meal alone (77%), and by T. harzianum in combination with Dwarf Essex meal (100%).”

✓ located verbatim in the source · abstract, characters 962–1168 · show in text ↑

Trichoderma harzianum · Aphanomyces euteiches · Lathyrus oleraceus (pea)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

Trichoderma harzianum · disease · Lathyrus oleraceus (pea)Results agree

7 papers: 7 positive, 0 negative or no effect

6 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

3 papers more in this group

See all 7 papers →

other · growth · Brassica napus (oilseed rape)Results differ

21 papers: 18 positive, 3 negative or no effect

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

  1. no effect
  2. negative
  3. no effect

17 papers more in this group

See all 21 papers →

other · disease · Lathyrus oleraceus (pea)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.