Abstract
White rot caused by a soil borne fungus (Sclerotium cepivorum Berk.) is a major production threat of garlic, where ever the crop is grown. The objectives of this study were evaluating the effectiveness of fungicides against garlic white rot, and to determine the cost effectiveness of the fungicides on management of garlic white rot. Field experiment was conducted at Mekelle Agricultural Research Center on garlic white rot naturally infested field in 2010 main crop season. Three fungicides (tebuconazole, captan and mancozeb) were used as a clove treatment. A randomized complete block design with three replications was employed. A total of four treatments were evaluated per replication. All fungicides were effective in reducing the disease epidemics and improving garlic yield over untreated plot. However, among fungicide treated plots tebuconazole was the most effective in reducing the disease epidemics and gave better yield advantage. In tebuconazole treated plots, 83.33%, 74.33% and 75.47% reduced initial, final incidence and severity was recorded respectively, as compared to untreated plot. Significantly higher increment on total and marketable yield was observed in tebuconazole treated plot, as compared to capatan and mancozeb treated and untreated plot. In tebuconazole treated plot, 3.36 t ha -1 total and 3.18 t ha -1 marketable yield increments was obtained as compared untreated plot. Tebuconazole treated plot maximized the net benefit, which exceeded by $4,950.340 was obtained over untreated plot. The marginal rate of return on tebuconazole treated plot over untreated plot was 658.201%. Based on the observation and findings garlic is high value crop, and white rot is potential threat in the major garlic growing areas of in the study area. Therefore, application of tebuconazole can be considered as management strategy to reduce disease epidemics and improve garlic yield.
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Claims 11
Claim · model-written summary
All tested fungicides reduced garlic white rot epidemics relative to untreated plots.
- Taxon
- garlic
Allium sativumt0 - Treatment
- All fungicidese0
- Interactor
- Sclerotium cepivorum BerkStromatinia cepivorat0pathogen
- Outcome
- disease epidemicse0
- Direction
- reducinge0
- Comparator
- untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All fungicides were effective in reducing the disease epidemics and improving garlic yield over untreated plot.”
t0“Garlic White rot (Sclerotium cepivorum Berk)”
Claim · model-written summary
All tested fungicides improved garlic yield relative to untreated plots.
- Taxon
- garlicAllium sativume0
- Treatment
- All fungicidese0
- Outcome
- garlic yielde0
- Direction
- improvinge0
- Comparator
- untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All fungicides were effective in reducing the disease epidemics and improving garlic yield over untreated plot.”
Claim · model-written summary
Tebuconazole reduced initial disease incidence by 83.33% relative to untreated plots.
- Taxon
- garlicAllium sativumt0
- Treatment
- tebuconazolee0
- Outcome
- initiale0
- Direction
- reducede0
- Value
- 83.33%e0
- Comparator
- untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In tebuconazole treated plots, 83.33%, 74.33% and 75.47% reduced initial, final incidence and severity was recorded respectively, as compared to untreated plot.”
t0“Garlic”
Claim · model-written summary
Tebuconazole reduced final disease incidence by 74.33% relative to untreated plots.
- Taxon
- garlicAllium sativumt0
- Treatment
- tebuconazolee0
- Outcome
- final incidencee0
- Direction
- reducede0
- Value
- 74.33%e0
- Comparator
- untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In tebuconazole treated plots, 83.33%, 74.33% and 75.47% reduced initial, final incidence and severity was recorded respectively, as compared to untreated plot.”
t0“Garlic”
Claim · model-written summary
Tebuconazole reduced disease severity by 75.47% relative to untreated plots.
- Taxon
- garlicAllium sativumt0
- Treatment
- tebuconazolee0
- Outcome
- severitye0
- Direction
- reducede0
- Value
- 75.47%e0
- Comparator
- untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In tebuconazole treated plots, 83.33%, 74.33% and 75.47% reduced initial, final incidence and severity was recorded respectively, as compared to untreated plot.”
t0“Garlic”
Claim · model-written summary
Tebuconazole significantly increased total and marketable yield over other fungicides and untreated plots.
- Taxon
- garlicAllium sativumt0
- Treatment
- tebuconazolee0
- Outcome
- total and marketable yielde0
- Direction
- highere0
- Comparator
- capatan and mancozeb treated and untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significantly higher increment on total and marketable yield was observed in tebuconazole treated plot, as compared to capatan and mancozeb treated and untreated plot.”
t0“Garlic”
Claim · model-written summary
Tebuconazole increased total yield by 3.36 t ha -1 relative to untreated plots.
- Taxon
- garlicAllium sativumt0
- Treatment
- tebuconazolee0
- Outcome
- totale0
- Direction
- incrementse0
- Value
- 3.36 t ha -1e0
- Comparator
- untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In tebuconazole treated plot, 3.36 t ha -1 total and 3.18 t ha -1 marketable yield increments was obtained as compared untreated plot.”
t0“Garlic”
Claim · model-written summary
Tebuconazole increased marketable yield by 3.18 t ha -1 relative to untreated plots.
- Taxon
- garlicAllium sativumt0
- Treatment
- tebuconazolee0
- Outcome
- marketable yielde0
- Direction
- incrementse0
- Value
- 3.18 t ha -1e0
- Comparator
- untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In tebuconazole treated plot, 3.36 t ha -1 total and 3.18 t ha -1 marketable yield increments was obtained as compared untreated plot.”
t0“Garlic”
Claim · model-written summary
Tebuconazole produced $4,950.340 greater net benefit than untreated plots.
- Taxon
- garlicAllium sativumt0
- Treatment
- Tebuconazolee0
- Outcome
- net benefite0
- Direction
- exceedede0
- Value
- $4,950.340e0
- Comparator
- untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tebuconazole treated plot maximized the net benefit, which exceeded by $4,950.340 was obtained over untreated plot.”
t0“Garlic”
Claim · model-written summary
The marginal return rate for tebuconazole versus untreated plots was 658.201%.
- Taxon
- garlicAllium sativumt0
- Treatment
- tebuconazolee0
- Outcome
- marginal rate of returne0
- Value
- 658.201%e0
- Comparator
- untreated plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The marginal rate of return on tebuconazole treated plot over untreated plot was 658.201%.”
t0“Garlic”
Claim · model-written summary
The authors recommend tebuconazole to reduce white rot and improve garlic yield.
- Taxon
- garlicAllium sativume0
- Treatment
- tebuconazolee0
- Outcome
- management strategy to reduce disease epidemics and improve garlic yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of tebuconazole can be considered as management strategy to reduce disease epidemics and improve garlic yield.”
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