Abstract
Abstract Thirty-two Trichoderma isolates were collected from soils grown with chickpea in central highlands of Ethiopia. The eight isolates were identified by CAB-International as Trichoderma harzianum, T. koningii and T. pseudokoningii. In in vitro tests, all Trichoderma isolates showed significant (P < 0.05) differences in their colony growth and in inhibiting the colony growth of Fusarium oxysporum f.sp. ciceris, race 3. In potted experiment, four Trichoderma isolates were tested as seed treatment on three chickpea cultivars (JG-62 susceptible, Shasho moderately susceptible and JG-74 resistant) against F. oxysporum f.sp. ciceris, race 3. The result showed that T. harzianum and unidentified Trichoderma isolate T23 significantly reduced wilt severity and delayed disease onset. The degree of wilt severity and delay of disease onset varied with chickpea cultivars. Our study revealed that biological control agents such as Trichoderma can be a useful component of integrated chickpea Fusarium wilt management. Keywords: chickpea wilt Fusarium oxysporum f.sp. ciceris Trichoderma Ethiopia Acknowledgements The authors thank Debre-Zeit Agricultural Research Center for the provision of laboratory space, transportation and other facilities; and the National Soil and Water Research Center for the provision of Greenhouse facilities. The study was supported by the Agricultural Research and Training Project (ARTP) of the Ethiopian Agricultural Research Organization. Additional funding was provided by the International Fund for Agricultural Development (IFAD).
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Claims 8
Claim · model-written summary
Eight Trichoderma isolates were identified as Trichoderma harzianum, T. koningii and T. pseudokoningii.
- Taxon
- Trichoderma
Trichodermae1 - Outcome
- identified by CAB-International as Trichoderma harzianum, T. koningii and T. pseudokoningiie1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The eight isolates were identified by CAB-International as Trichoderma harzianum, T. koningii and T. pseudokoningii”
Claim · model-written summary
In vitro, all Trichoderma isolates differed significantly in colony growth and in inhibiting the colony growth of Fusarium oxysporum f.sp. ciceris race 3.
- Interactor
- Fusarium oxysporum f.sp. ciceris
Fusarium oxysporum f. sp. cicerise1pathogen - Second interactor
- Trichoderma isolatese1biocontrol_agent
- Outcome
- colony growthe1
- Setting
- in vitroe1
Not reportedTaxon
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“In in vitro tests, all Trichoderma isolates showed significant (P < 0.05) differences in their colony growth and in inhibiting the colony growth of Fusarium oxysporum f.sp. ciceris, race 3”
Claim · model-written summary
In pots, seed treatment with T. harzianum significantly reduced Fusarium wilt severity in chickpea.
- Taxon
- chickpea
Cicer arietinume0 - Treatment
- T. harzianume1
- Interactor
- F. oxysporum f.sp. cicerisFusarium oxysporum f. sp. cicerise0pathogen
- Second interactor
- T. harzianumTrichoderma harzianume1biocontrol_agent
- Outcome
- wilt severitye1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“four Trichoderma isolates were tested as seed treatment on three chickpea cultivars (JG-62 susceptible, Shasho moderately susceptible and JG-74 resistant) against F. oxysporum f.sp. ciceris, race 3”
e1“T. harzianum and unidentified Trichoderma isolate T23 significantly reduced wilt severity and delayed disease onset”
Claim · model-written summary
In pots, seed treatment with T. harzianum significantly delayed Fusarium wilt onset in chickpea.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- T. harzianume1
- Interactor
- F. oxysporum f.sp. cicerisFusarium oxysporum f. sp. cicerise0pathogen
- Second interactor
- T. harzianumTrichoderma harzianume1biocontrol_agent
- Outcome
- disease onsete1
- Direction
- delayede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“four Trichoderma isolates were tested as seed treatment on three chickpea cultivars (JG-62 susceptible, Shasho moderately susceptible and JG-74 resistant) against F. oxysporum f.sp. ciceris, race 3”
e1“T. harzianum and unidentified Trichoderma isolate T23 significantly reduced wilt severity and delayed disease onset”
Claim · model-written summary
In pots, seed treatment with unidentified Trichoderma isolate T23 significantly reduced Fusarium wilt severity in chickpea.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- unidentified Trichoderma isolate T23e1
- Interactor
- F. oxysporum f.sp. cicerisFusarium oxysporum f. sp. cicerise0pathogen
- Second interactor
- unidentified Trichoderma isolate T23e1biocontrol_agent
- Outcome
- wilt severitye1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“four Trichoderma isolates were tested as seed treatment on three chickpea cultivars (JG-62 susceptible, Shasho moderately susceptible and JG-74 resistant) against F. oxysporum f.sp. ciceris, race 3”
e1“T. harzianum and unidentified Trichoderma isolate T23 significantly reduced wilt severity and delayed disease onset”
Claim · model-written summary
In pots, seed treatment with unidentified Trichoderma isolate T23 significantly delayed Fusarium wilt onset in chickpea.
- Taxon
- chickpeaCicer arietinume0
- Treatment
- unidentified Trichoderma isolate T23e1
- Interactor
- F. oxysporum f.sp. cicerisFusarium oxysporum f. sp. cicerise0pathogen
- Second interactor
- unidentified Trichoderma isolate T23e1biocontrol_agent
- Outcome
- disease onsete1
- Direction
- delayede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“four Trichoderma isolates were tested as seed treatment on three chickpea cultivars (JG-62 susceptible, Shasho moderately susceptible and JG-74 resistant) against F. oxysporum f.sp. ciceris, race 3”
e1“T. harzianum and unidentified Trichoderma isolate T23 significantly reduced wilt severity and delayed disease onset”
Claim · model-written summary
The degree of wilt severity and the delay of disease onset varied with chickpea cultivar.
- Taxon
- chickpeaCicer arietinume1
- Material
- chickpea cultivarse1
- Outcome
- degree of wilt severity and delay of disease onsete1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The degree of wilt severity and delay of disease onset varied with chickpea cultivars”
Claim · model-written summary
Biological control agents such as Trichoderma can be a useful component of integrated chickpea Fusarium wilt management.
- Taxon
- chickpeaCicer arietinume1
- Outcome
- useful component of integrated chickpea Fusarium wilt managemente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“biological control agents such as Trichoderma can be a useful component of integrated chickpea Fusarium wilt management”
The same questions in other papers
Trichoderma harzianum · Fusarium oxysporum f. sp. ciceris · Cicer arietinum (chickpea)Results agree
2 papers in the same direction as this paper
- positive
- positive
Trichoderma · Fusarium oxysporum f. sp. ciceris · Cicer arietinum (chickpea)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.