Paper · 2022 · Journal of Fungi

Application of Trichoderma Hz36 and Hk37 as Biocontrol Agents against Clubroot Caused by Plasmodiophora brassicae

Yanli Zhao; Xingfu Chen; Jiasen Cheng; et al.

8
claims
12
verbatim quotes
34
citations
2
research areas
✓
Open access · cc-by

Abstract

Clubroot, a soil-infective disease caused by Plasmodiophora brassicae, is a serious disease affecting cruciferous plants around the world. There is no effective control measure to completely remove this pathogen from fields after infection. Here, we screened and identified two strains (Hz36, Trichoderma guizhouense; Hk37, Trichoderma koningiopsis) of Trichoderma from the gall of clubroot in rapeseed fields with biocontrol potential for clubroot. The fermentation broth of Hz36 could significantly inhibit the germination of resting spores of P. brassicae, and promote the seed germination and root growth of rapeseed. The biocontrol efficiency of Hz36 strain on clubroot for rapeseed and Arabidopsis thaliana was 44.29% and 52.18%, respectively. The qPCR results revealed that strain Hz36 treatment could significantly reduce the content of P. brassicae in root cells, and paraffin section analysis revealed that it could delay the development of P. brassicae. Strain Hk37 showed similar effects to strain Hz36, whose biocontrol efficiency of clubroot could reach 57.30% in rapeseed and 68.01% in A. thaliana. These results indicate that strains Hz36 and Hk37 have the potential for the biocontrol of clubroot.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 8

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Hz36 inhibited germination of P. brassicae resting spores.

Taxon
rapeseede1
Treatment
fermentation broth of Hz36e0
Interactor
P. brassicaePlasmodiophora brassicaee0pathogen
Second interactor
Hz36e0biocontrol_agent
Outcome
germination of resting spores of P. brassicaee0
Direction
inhibite0

Not reportedComparator

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

Plasmodiophora brassicae
Plasmodiophora brassicae · InteractorRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The fermentation broth of Hz36 could significantly inhibit the germination of resting spores of P. brassicae”

✓ located verbatim in the source · abstract, characters 450–558 · show in text ↑
e1

“rapeseed fields”

✓ located verbatim in the source · abstract, characters 394–409 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Hz36 promoted rapeseed seed germination and root growth.

Taxon
rapeseede0
Treatment
fermentation broth of Hz36e0
Interactor
Hz36e0biocontrol_agent
Outcome
seed germination and root growthe0
Direction
promotee0

Not reportedComparator

Verbatim

e0

“The fermentation broth of Hz36 could significantly inhibit the germination of resting spores of P. brassicae, and promote the seed germination and root growth of rapeseed”

✓ located verbatim in the source · abstract, characters 450–620 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Hz36 clubroot biocontrol efficiency in rapeseed was 44.29%.

Taxon
rapeseede0
Treatment
Hz36 straine0
Interactor
Hz36e0biocontrol_agent
Outcome
biocontrol efficiency of Hz36 strain on clubroot for rapeseede0
Value
44.29%e0

Not reportedComparatorDirection

Verbatim

e0

“The biocontrol efficiency of Hz36 strain on clubroot for rapeseed and Arabidopsis thaliana was 44.29% and 52.18%, respectively”

✓ located verbatim in the source · abstract, characters 622–748 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Hz36 clubroot biocontrol efficiency in Arabidopsis thaliana was 52.18%.

Taxon
Arabidopsis thalianaArabidopsis thalianae0
Treatment
Hz36 straine0
Interactor
Hz36e0biocontrol_agent
Outcome
biocontrol efficiency of Hz36 strain on clubroot for rapeseed and Arabidopsis thalianae0
Value
52.18%e0

Not reportedComparatorDirection

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

Arabidopsis thaliana
Arabidopsis thaliana · TaxonOriginal uploader was Brona at en.wikipedia . User:Roepers at nl.wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The biocontrol efficiency of Hz36 strain on clubroot for rapeseed and Arabidopsis thaliana was 44.29% and 52.18%, respectively”

✓ located verbatim in the source · abstract, characters 622–748 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Hz36 reduced P. brassicae content in root cells.

Taxon
rapeseede1
Treatment
strain Hz36 treatmente0
Interactor
P. brassicaePlasmodiophora brassicaee0pathogen
Second interactor
Hz36e0biocontrol_agent
Outcome
content of P. brassicae in root cellse0
Direction
reducee0

Not reportedComparator

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

Plasmodiophora brassicae
Plasmodiophora brassicae · InteractorRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“strain Hz36 treatment could significantly reduce the content of P. brassicae in root cells”

✓ located verbatim in the source · abstract, characters 781–871 · show in text ↑
e1

“rapeseed and Arabidopsis thaliana”

✓ located verbatim in the source · abstract, characters 679–712 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Hz36 delayed P. brassicae development.

Taxon
rapeseede2
Treatment
strain Hz36 treatmente1
Interactor
P. brassicaePlasmodiophora brassicaee0pathogen
Second interactor
Hz36e1biocontrol_agent
Outcome
development of P. brassicaee0
Direction
delaye0

Not reportedComparator

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

Plasmodiophora brassicae
Plasmodiophora brassicae · InteractorRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“it could delay the development of P. brassicae”

✓ located verbatim in the source · abstract, characters 917–963 · show in text ↑
e1

“strain Hz36 treatment could significantly reduce the content of P. brassicae in root cells”

✓ located verbatim in the source · abstract, characters 781–871 · show in text ↑
e2

“rapeseed and Arabidopsis thaliana”

✓ located verbatim in the source · abstract, characters 679–712 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Hk37 clubroot biocontrol efficiency reached 57.30% in rapeseed.

Taxon
rapeseede0
Treatment
Strain Hk37e0
Interactor
Hk37e0biocontrol_agent
Outcome
biocontrol efficiency of clubroote0
Value
57.30%e0

Not reportedComparatorDirection

Verbatim

e0

“Strain Hk37 showed similar effects to strain Hz36, whose biocontrol efficiency of clubroot could reach 57.30% in rapeseed and 68.01% in A. thaliana”

✓ located verbatim in the source · abstract, characters 965–1112 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Hk37 clubroot biocontrol efficiency reached 68.01% in A. thaliana.

Taxon
A. thalianaArabidopsis thalianae0
Treatment
Strain Hk37e0
Interactor
Hk37e0biocontrol_agent
Outcome
biocontrol efficiency of clubroote0
Value
68.01%e0

Not reportedComparatorDirection

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

Arabidopsis thaliana
Arabidopsis thaliana · TaxonOriginal uploader was Brona at en.wikipedia . User:Roepers at nl.wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Strain Hk37 showed similar effects to strain Hz36, whose biocontrol efficiency of clubroot could reach 57.30% in rapeseed and 68.01% in A. thaliana”

✓ located verbatim in the source · abstract, characters 965–1112 · show in text ↑

processing · growth · Brassica napus (oilseed rape)Positive and negative results

11 papers: 7 positive, 4 negative or no effect

6 papers in the same direction as this paper · 4 in the opposite direction

  1. negative
  2. negative
  3. negative

7 papers more in this group

See all 11 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.