Abstract
Continuous planting results in a higher occurrence rate of oriental melon Fusarium wilt caused by Fusarium oxysporum f. sp. melonis (FOM), and treatment with Trichoderma can considerably alleviate the incidence of disease. However, the tripartite interaction mechanisms among T. harzianum–melon–rhizosphere microorganisms remain poorly understood in current research. Pot experiments elucidate the growth-promoting, antagonistic, and rhizosphere-regulating effects of T. harzianum on oriental melon. The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment. Illumina high-throughput sequencing was employed to analyze the microbial community and associated metabolic pathways. Additionally, a comprehensive correlation analysis clarified how T. harzianum-modulated physiological factors regulate soil microbial communities to enhance melon resistance to FOM. T. harzianum inoculation significantly promoted plant growth, decreased the incidence rate of Fusarium wilt by 41.85%, and increased rhizosphere nitrate-N, pH, EC, and soil enzyme activity (e.g., sucrose and alkaline phosphatase). Notably, T. harzianum inoculation altered the rhizosphere microbial community’s relative abundance and structure, with the most striking changes in the fungal community. Principal coordinate analysis showed this fungal restructuring accounted for 44.9% of total community variation (37% from PCo1, 7.9% from PCo2). Soil-borne pathogens (e.g., Fusarium, Verticillium, Phytophthora) decreased in relative abundance with the inoculation of T. harzianum. Meanwhile, the microbial community shifted from a “fungal-dominated” to “bacterial-dominated” state: fungal proportion decreased by 9.47% (from 23.95% in CK to 14.48% in MM), while bacterial proportion increased by 9.47% (from 76.05% in CK to 85.52% in MM). Microbial abundance shifts primarily impacted amino acid and cofactor biosynthesis metabolic pathways. The application of T. harzianum modified the soil environment, restructuring microbial communities through these changes, which in turn regulated microbial metabolic pathways, creating a soil environment conducive to melon growth and thereby enhancing oriental melon resistance to FOM, while mitigating the obstacles of continuous cropping.
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 11
Claim · model-written summary
T. harzianum inoculation significantly promoted oriental melon growth.
- Taxon
- oriental melon
.jpg?width=60)
Cucumis melot0 - Treatment
- T. harzianum inoculatione0
- Interactor
- T. harzianum
Trichoderma harzianume0biocontrol_agent - Outcome
- plant growthe0
- Direction
- promotede0
- Comparator
- water control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“T. harzianum inoculation significantly promoted plant growth, decreased the incidence rate of Fusarium wilt by 41.85%, and increased rhizosphere nitrate-N, pH, EC, and soil enzyme activity (e.g., sucrose and alkaline phosphatase).”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
T. harzianum inoculation reduced Fusarium wilt incidence by 41.85%.
- Taxon
- oriental melonCucumis melot0
- Treatment
- T. harzianum inoculatione0
- Second interactor
- T. harzianumTrichoderma harzianume0biocontrol_agent
- Outcome
- incidence rate of Fusarium wilte0
- Direction
- decreasede0
- Value
- 41.85%e0
- Comparator
- water control (CK)e1
FusariumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. harzianum inoculation significantly promoted plant growth, decreased the incidence rate of Fusarium wilt by 41.85%, and increased rhizosphere nitrate-N, pH, EC, and soil enzyme activity (e.g., sucrose and alkaline phosphatase).”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
T. harzianum inoculation increased rhizosphere nitrate-N, pH and EC.
- Taxon
- oriental melonCucumis melot0
- Treatment
- T. harzianum inoculatione0
- Interactor
- T. harzianumTrichoderma harzianume0biocontrol_agent
- Outcome
- rhizosphere nitrate-N, pH, ECe0
- Direction
- increasede0
- Comparator
- water control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. harzianum inoculation significantly promoted plant growth, decreased the incidence rate of Fusarium wilt by 41.85%, and increased rhizosphere nitrate-N, pH, EC, and soil enzyme activity (e.g., sucrose and alkaline phosphatase).”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
T. harzianum inoculation increased soil enzyme activity.
- Taxon
- oriental melonCucumis melot0
- Treatment
- T. harzianum inoculatione0
- Interactor
- T. harzianumTrichoderma harzianume0biocontrol_agent
- Outcome
- soil enzyme activitye0
- Direction
- increasede0
- Comparator
- water control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. harzianum inoculation significantly promoted plant growth, decreased the incidence rate of Fusarium wilt by 41.85%, and increased rhizosphere nitrate-N, pH, EC, and soil enzyme activity (e.g., sucrose and alkaline phosphatase).”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
T. harzianum inoculation altered rhizosphere microbial relative abundance and structure, especially fungi.
- Taxon
- oriental melonCucumis melot0
- Treatment
- T. harzianum inoculatione0
- Interactor
- T. harzianumTrichoderma harzianume0biocontrol_agent
- Outcome
- rhizosphere microbial community’s relative abundance and structuree0
- Comparator
- water control (CK)e1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Notably, T. harzianum inoculation altered the rhizosphere microbial community’s relative abundance and structure, with the most striking changes in the fungal community.”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
Fungal community restructuring explained 44.9% of community variation in the principal coordinate analysis.
- Taxon
- oriental melonCucumis melot0
- Outcome
- total community variatione0
- Value
- 44.9%e0
- Qualifier
- 37% from PCo1, 7.9% from PCo2e0
Not reportedSettingDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Principal coordinate analysis showed this fungal restructuring accounted for 44.9% of total community variation (37% from PCo1, 7.9% from PCo2).”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
Soil-borne pathogens decreased in relative abundance after T. harzianum inoculation.
- Taxon
- oriental melonCucumis melot0
- Treatment
- inoculation of T. harzianume0
- Second interactor
- T. harzianumTrichoderma harzianume0biocontrol_agent
- Outcome
- Soil-borne pathogens (e.g., Fusarium, Verticillium, Phytophthora) decreased in relative abundancee0
- Direction
- decreasede0
- Comparator
- water control (CK)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil-borne pathogens (e.g., Fusarium, Verticillium, Phytophthora) decreased in relative abundance with the inoculation of T. harzianum.”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
Fungal proportion decreased by 9.47% after inoculation.
- Taxon
- oriental melonCucumis melot0
- Treatment
- T. harzianum inoculatione1
- Interactor
- T. harzianumTrichoderma harzianume1biocontrol_agent
- Outcome
- fungal proportione0
- Direction
- decreasede0
- Value
- 9.47%e0
- Qualifier
- from 23.95% in CK to 14.48% in MMe0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fungal proportion decreased by 9.47% (from 23.95% in CK to 14.48% in MM), while bacterial proportion increased by 9.47% (from 76.05% in CK to 85.52% in MM).”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
Bacterial proportion increased by 9.47% after inoculation.
- Taxon
- oriental melonCucumis melot0
- Treatment
- T. harzianum inoculatione1
- Interactor
- T. harzianumTrichoderma harzianume1biocontrol_agent
- Outcome
- bacterial proportione0
- Direction
- increasede0
- Value
- 9.47%e0
- Qualifier
- from 76.05% in CK to 85.52% in MMe0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fungal proportion decreased by 9.47% (from 23.95% in CK to 14.48% in MM), while bacterial proportion increased by 9.47% (from 76.05% in CK to 85.52% in MM).”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
Microbial abundance shifts primarily affected amino acid and cofactor biosynthesis pathways.
- Taxon
- oriental melonCucumis melot0
- Outcome
- amino acid and cofactor biosynthesis metabolic pathwayse0
- Qualifier
- Microbial abundance shiftse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Microbial abundance shifts primarily impacted amino acid and cofactor biosynthesis metabolic pathways.”
t0“Oriental Melon”
e1“The experiment consisted of two treatments: (1) water control (CK), and (2) T. harzianum inoculation (MM) with three repetitions per treatment.”
Claim · model-written summary
The authors attribute greater melon resistance and growth to a changed soil environment and microbial community after T. harzianum application.
- Taxon
- oriental melonCucumis meloe0
- Treatment
- application of T. harzianume0
- Interactor
- FOMe0pathogen
- Second interactor
- T. harzianumTrichoderma harzianume0biocontrol_agent
- Outcome
- oriental melon resistance to FOMe0
- Qualifier
- restructuring microbial communitiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of T. harzianum modified the soil environment, restructuring microbial communities through these changes, which in turn regulated microbial metabolic pathways, creating a soil environment conducive to melon growth and thereby enhancing oriental melon resistance to FOM, while mitigating the obstacles of continuous cropping.”
The same questions in other papers
Trichoderma harzianum · growth · Cucumis melo (muskmelon)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
Trichoderma harzianum · Fusarium · Cucumis melo (muskmelon)Results agree
2 papers in the same direction as this paper
- positive
- positive
inoculation · nutrient: content · Cucumis melo (muskmelon)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
inoculation · soil: biology · Cucumis melo (muskmelon)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
inoculation · growth · Cucumis melo (muskmelon)Positive and negative results
14 papers in the same direction as this paper · 6 in the opposite direction
- negative
- no effect
- negative
17 papers more in this group
See all 21 papers →inoculation · Fusarium · Cucumis melo (muskmelon)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.