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
Claim · model-written summary
Hz36 inhibited germination of P. brassicae resting spores.
- Taxon
- rapeseede1
- Treatment
- fermentation broth of Hz36e0
- Interactor
- P. brassicae
Plasmodiophora 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.
.jpg?width=500)
Verbatim
e0“The fermentation broth of Hz36 could significantly inhibit the germination of resting spores of P. brassicae”
e1“rapeseed fields”
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”
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”
Claim · model-written summary
Hz36 clubroot biocontrol efficiency in Arabidopsis thaliana was 52.18%.
- Taxon
- Arabidopsis thaliana
Arabidopsis 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.

Verbatim
e0“The biocontrol efficiency of Hz36 strain on clubroot for rapeseed and Arabidopsis thaliana was 44.29% and 52.18%, respectively”
Claim · model-written summary
Hz36 reduced P. brassicae content in root cells.
- Taxon
- rapeseede1
- Treatment
- strain Hz36 treatmente0
- Interactor
- P. brassicae
Plasmodiophora 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.
.jpg?width=500)
Verbatim
e0“strain Hz36 treatment could significantly reduce the content of P. brassicae in root cells”
e1“rapeseed and Arabidopsis thaliana”
Claim · model-written summary
Hz36 delayed P. brassicae development.
- Taxon
- rapeseede2
- Treatment
- strain Hz36 treatmente1
- Interactor
- P. brassicae
Plasmodiophora 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.
.jpg?width=500)
Verbatim
e0“it could delay the development of P. brassicae”
e1“strain Hz36 treatment could significantly reduce the content of P. brassicae in root cells”
e2“rapeseed and Arabidopsis thaliana”
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”
Claim · model-written summary
Hk37 clubroot biocontrol efficiency reached 68.01% in A. thaliana.
- Taxon
- A. thaliana
Arabidopsis 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.

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”
The same questions in other papers
processing · growth · Brassica napus (oilseed rape)Positive and negative results
6 papers in the same direction as this paper · 4 in the opposite direction
- negative
- negative
- 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.