Abstract
Thifluzamide is a SDHI (succinate dehydrogenase inhibitor) fungicide, which interferes with succinate ubiquinone reductase in the mitochondrial electron transport chain of fungi. Presently, jinggangmycin is the major fungicide extensively used for the control of rice sheath blight caused by Rhizoctonia solani and resistance to jinggangmycin was first reported to occur in China. A total of 128 isolates of R. solani from Anhui Province of China were characterised for the baseline sensitivity to thifluzamide. The isolates were very sensitive to thifluzamide and the baseline sensitivity curve was unimodal with an average EC 50 value of 0.058 ± 0.012 µg mL −1 . However, EC 50 values of boscalid (another SDHI fungicide) for inhibition of mycelial growth of 22 arbitrarily selected R. solani isolates ranged from 1.89 to 2.68 µg mL −1 . Thifluzamide applied at 110 µg mL −1 exhibited excellent protective and curative activity against rice sheath blight and provided 81.1–91.0% protective or curative control efficacy. In field trials in 2010 and 2011, control efficacies of thifluzamide at 82 g.a.i ha −1 15 and 30 days after second application were 84.2% and 86.7%, respectively, suggesting excellent activity against sheath blight. There was a statistically significant difference in the efficacy between thifluzamide and boscalid or jinggangmycin. These results suggested that thifluzamide should be a good alternative fungicide to jinggangmycin for the control of rice sheath blight.
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Claims 5
Claim · model-written summary
Thifluzamide provided 81.1–91.0% protective or curative control of rice sheath blight.
- Taxon
- rice
Oryza sativae0 - Treatment
- Thifluzamide applied at 110 µg mL −1e0
- Interactor
- Rhizoctonia solani
Rhizoctonia solanit0pathogen - Outcome
- protective or curative control efficacye0
- Direction
- excellente0
- Value
- 81.1–91.0%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Thifluzamide applied at 110 µg mL −1 exhibited excellent protective and curative activity against rice sheath blight and provided 81.1–91.0% protective or curative control efficacy”
t0“Rhizoctonia solani”
Claim · model-written summary
Field thifluzamide control efficacy was 84.2% at 15 days after the second application.
- Taxon
- riceOryza sativae1
- Treatment
- thifluzamide at 82 g.a.i ha −1e0
- Outcome
- control efficaciese0
- Value
- 84.2%e0
- Qualifier
- 15 and 30 days after second applicatione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In field trials in 2010 and 2011, control efficacies of thifluzamide at 82 g.a.i ha −1 15 and 30 days after second application were 84.2% and 86.7%, respectively”
t0“Rhizoctonia solani”
e1“control of rice sheath blight caused by Rhizoctonia solani”
Claim · model-written summary
Field thifluzamide control efficacy was 86.7% at 30 days after the second application.
- Taxon
- riceOryza sativae1
- Treatment
- thifluzamide at 82 g.a.i ha −1e0
- Outcome
- control efficaciese0
- Value
- 86.7%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In field trials in 2010 and 2011, control efficacies of thifluzamide at 82 g.a.i ha −1 15 and 30 days after second application were 84.2% and 86.7%, respectively”
t0“Rhizoctonia solani”
e1“control of rice sheath blight caused by Rhizoctonia solani”
Claim · model-written summary
Thifluzamide efficacy differed significantly from boscalid or jinggangmycin efficacy.
- Taxon
- riceOryza sativae1
- Treatment
- thifluzamidee0
- Outcome
- efficacye0
- Comparator
- boscalid or jinggangmycine0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was a statistically significant difference in the efficacy between thifluzamide and boscalid or jinggangmycin”
t0“Rhizoctonia solani”
e1“control of rice sheath blight caused by Rhizoctonia solani”
Claim · model-written summary
The authors proposed thifluzamide as an alternative to jinggangmycin for rice sheath blight.
- Taxon
- riceOryza sativae0
- Treatment
- thifluzamidee0
- Outcome
- control of rice sheath blighte0
- Comparator
- jinggangmycine0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“thifluzamide should be a good alternative fungicide to jinggangmycin for the control of rice sheath blight”
t0“Rhizoctonia solani”
The same questions in other papers
thifluzamide · Rhizoctonia solani · Oryza sativa (rice)Positive and negative results
5 papers in the same direction as this paper · 1 reporting no difference from an alternative
- no effect
- positive
- positive
3 papers more in this group
See all 7 papers →thifluzamide · control · Oryza sativa (rice)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.