Abstract
Common bean anthracnose is a major production constraint in bean growing regions of Ethiopia. This study aimed to determine whether foliar sprays of mancozeb, folpan and mancolaxyl or antagonistic bioagents; Trichoderma harzianum, Trichoderma viride and Pseudomonas fluorescens could reduce anthracnose symptoms and consequently, increase yield and yield components. A total of seven treatments were arranged in a randomized complete block design with three replications. Statistical analysis showed significant differences among treatments. Anthracnose incidence, severity, infected pods per plant and the area under disease progress curve were highest in the control plots compared to the fungicide sprayed and bioagent treated seed plots. The highest percentage of infected pods per plant of 78.9 and 55.0 recorded on the control and mancozeb sprayed plots, respectively. The highest AUDPC value resulted in the lowest yield of 1.01 t/ha in the control plots compared to a highest yield of 3.3 t/ha from the sprayed plots with folpan and 1.8 t/ha from plots treated with Pseudomonas fluorescens. Relative yield losses of 69.7, 46.3 and 22.8% were recorded from the control, seed treated plots with P. fluorescens and sprayed plots with mancolaxyl, respectively. Economic analysis revealed that the highest rate of return of 8,740 was obtained from Pseudomonas fluorescens seed treatment and the highest net benefit value of 43,154 calculated on folpan foliar spray treatment. The results of the present study support the novel possibility of using folpan foliar spray and Pseudomonas fluorescens seed treatments to decrease anthracnose symptoms in common bean and consequently, achieve greater yield.
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Claims 10
Claim · model-written summary
Anthracnose incidence, severity and infected pods per plant were highest in control plots compared with fungicide-sprayed and bioagent-treated plots.
- Taxon
- Common bean
Phaseolus vulgarist1 - Treatment
- foliar sprays of mancozeb, folpan and mancolaxyl or antagonistic bioagentse2
- Interactor
- Colletotrichum lindemuthianum
Colletotrichum lindemuthianumt0pathogen - Outcome
- Anthracnose incidence, severity, infected pods per plante1
- Direction
- higheste1
- Comparator
- control plotse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“Field Management of Anthracnose (Colletotrichum lindemuthianum) in Common Bean through Fungicides and Bioagents”
t0“Anthracnose (Colletotrichum lindemuthianum)”
e1“Anthracnose incidence, severity, infected pods per plant and the area under disease progress curve were highest in the control plots compared to the fungicide sprayed and bioagent treated seed plots”
e2“foliar sprays of mancozeb, folpan and mancolaxyl or antagonistic bioagents”
Claim · model-written summary
The area under the disease progress curve was highest in control plots compared with fungicide-sprayed and bioagent-treated plots.
- Taxon
- Common beanPhaseolus vulgarist1
- Treatment
- foliar sprays of mancozeb, folpan and mancolaxyl or antagonistic bioagentse2
- Interactor
- Colletotrichum lindemuthianumColletotrichum lindemuthianumt0pathogen
- Outcome
- the area under disease progress curvee1
- Direction
- higheste1
- Comparator
- control plotse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“Field Management of Anthracnose (Colletotrichum lindemuthianum) in Common Bean through Fungicides and Bioagents”
t0“Anthracnose (Colletotrichum lindemuthianum)”
e1“Anthracnose incidence, severity, infected pods per plant and the area under disease progress curve were highest in the control plots compared to the fungicide sprayed and bioagent treated seed plots”
e2“foliar sprays of mancozeb, folpan and mancolaxyl or antagonistic bioagents”
Claim · model-written summary
Mancozeb-sprayed plots had a lower percentage of infected pods per plant (55.0) than control plots (78.9).
- Taxon
- Common beanPhaseolus vulgarist1
- Treatment
- mancozebe3
- Interactor
- Colletotrichum lindemuthianumColletotrichum lindemuthianumt0pathogen
- Outcome
- percentage of infected pods per plante3
- Direction
- lowerinferrede3
- Value
- 55.0e3
- Qualifier
- 78.9e3
- Comparator
- controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“Field Management of Anthracnose (Colletotrichum lindemuthianum) in Common Bean through Fungicides and Bioagents”
t0“Anthracnose (Colletotrichum lindemuthianum)”
e3“The highest percentage of infected pods per plant of 78.9 and 55.0 recorded on the control and mancozeb sprayed plots, respectively”
Claim · model-written summary
Folpan foliar spray gave the highest yield (3.3 t/ha) compared with control plots.
- Taxon
- Common beanPhaseolus vulgarist1
- Treatment
- folpane4
- Interactor
- Colletotrichum lindemuthianumColletotrichum lindemuthianumt0pathogen
- Outcome
- yielde4
- Direction
- higheste4
- Value
- 3.3 t/hae4
- Comparator
- control plotse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“Field Management of Anthracnose (Colletotrichum lindemuthianum) in Common Bean through Fungicides and Bioagents”
t0“Anthracnose (Colletotrichum lindemuthianum)”
e4“The highest AUDPC value resulted in the lowest yield of 1.01 t/ha in the control plots compared to a highest yield of 3.3 t/ha from the sprayed plots with folpan and 1.8 t/ha from plots treated with Pseudomonas fluorescens”
Claim · model-written summary
Plots treated with Pseudomonas fluorescens yielded 1.8 t/ha, higher than control plots.
- Taxon
- Common beanPhaseolus vulgarist1
- Treatment
- Pseudomonas fluorescense4
- Interactor
- Colletotrichum lindemuthianumColletotrichum lindemuthianumt0pathogen
- Second interactor
- Pseudomonas fluorescens
.JPG?width=60)
Pseudomonas fluorescense4biocontrol_agent - Outcome
- yielde4
- Direction
- higherinferrede4
- Value
- 1.8 t/hae4
- Comparator
- control plotse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.JPG?width=500)
Verbatim
t1“Field Management of Anthracnose (Colletotrichum lindemuthianum) in Common Bean through Fungicides and Bioagents”
t0“Anthracnose (Colletotrichum lindemuthianum)”
e4“The highest AUDPC value resulted in the lowest yield of 1.01 t/ha in the control plots compared to a highest yield of 3.3 t/ha from the sprayed plots with folpan and 1.8 t/ha from plots treated with Pseudomonas fluorescens”
Claim · model-written summary
Pseudomonas fluorescens seed treatment lowered relative yield loss to 46.3 compared with control (69.7).
- Taxon
- Common beanPhaseolus vulgarist1
- Treatment
- seed treated plots with P. fluorescense5
- Interactor
- Colletotrichum lindemuthianumColletotrichum lindemuthianumt0pathogen
- Second interactor
- P. fluorescensPseudomonas fluorescense5biocontrol_agent
- Outcome
- Relative yield lossese5
- Direction
- lowerinferrede5
- Value
- 46.3e5
- Qualifier
- 69.7e5
- Comparator
- controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“Field Management of Anthracnose (Colletotrichum lindemuthianum) in Common Bean through Fungicides and Bioagents”
t0“Anthracnose (Colletotrichum lindemuthianum)”
e5“Relative yield losses of 69.7, 46.3 and 22.8% were recorded from the control, seed treated plots with P. fluorescens and sprayed plots with mancolaxyl, respectively”
Claim · model-written summary
Mancolaxyl foliar spray lowered relative yield loss to 22.8% compared with control (69.7).
- Taxon
- Common beanPhaseolus vulgarist1
- Treatment
- mancolaxyle5
- Interactor
- Colletotrichum lindemuthianumColletotrichum lindemuthianumt0pathogen
- Outcome
- Relative yield lossese5
- Direction
- lowerinferrede5
- Value
- 22.8%e5
- Qualifier
- 69.7e5
- Comparator
- controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“Field Management of Anthracnose (Colletotrichum lindemuthianum) in Common Bean through Fungicides and Bioagents”
t0“Anthracnose (Colletotrichum lindemuthianum)”
e5“Relative yield losses of 69.7, 46.3 and 22.8% were recorded from the control, seed treated plots with P. fluorescens and sprayed plots with mancolaxyl, respectively”
Claim · model-written summary
Pseudomonas fluorescens seed treatment gave the highest rate of return (8,740).
- Taxon
- Common beanPhaseolus vulgarist1
- Treatment
- Pseudomonas fluorescens seed treatmente6
- Outcome
- rate of returne6
- Direction
- higheste6
- Value
- 8,740e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“Field Management of Anthracnose (Colletotrichum lindemuthianum) in Common Bean through Fungicides and Bioagents”
e6“Economic analysis revealed that the highest rate of return of 8,740 was obtained from Pseudomonas fluorescens seed treatment”
Claim · model-written summary
Folpan foliar spray gave the highest net benefit value (43,154).
- Taxon
- Common beanPhaseolus vulgarist1
- Treatment
- folpan foliar spraye7
- Outcome
- net benefit valuee7
- Direction
- higheste7
- Value
- 43,154e7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t1“Field Management of Anthracnose (Colletotrichum lindemuthianum) in Common Bean through Fungicides and Bioagents”
e7“the highest net benefit value of 43,154 calculated on folpan foliar spray treatment”
Claim · model-written summary
Folpan foliar spray and Pseudomonas fluorescens seed treatments are a possible way to decrease anthracnose symptoms and achieve greater yield in common bean.
- Taxon
- common beanPhaseolus vulgarise0
- Treatment
- folpan foliar spray and Pseudomonas fluorescens seed treatmentse0
- Outcome
- anthracnose symptomse0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results of the present study support the novel possibility of using folpan foliar spray and Pseudomonas fluorescens seed treatments to decrease anthracnose symptoms in common bean and consequently, achieve greater yield”
The same questions in other papers
Pseudomonas fluorescens · Colletotrichum lindemuthianum · Phaseolus vulgaris (common bean)Results agree
1 paper in the same direction as this paper
- positive
mancozeb · Colletotrichum lindemuthianum · Phaseolus vulgaris (common bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
biocontrol · Colletotrichum lindemuthianum · Phaseolus vulgaris (common bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
application · Colletotrichum lindemuthianum · Phaseolus vulgaris (common bean)Results agree
8 papers in the same direction as this paper
- positive
- positive
- positive
5 papers more in this group
See all 9 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.