Abstract
We used a real time polymerase chain reaction-based assay and visual disease assessment to evaluate the efficacies of Js399-19, tebuconazole, a mixture of tebuconazole and thiram, azoxystrobin, carbendazim, and thiram on the development of Fusarium head blight (FHB) and deoxynivalenol (DON) contamination and on the yield of winter wheat (cv. Nannong no. 9918) after artificial inoculation under field conditions with Fusarium graminearum. The incidence of infected spikelets (IIS), amount of F. graminearum DNA (Tri5 DNA), total DON (containing DON, 3-acetyl-deoxynivalenol, and 15-acetyl-deoxynivalenol) concentration, and 1,000-grain weight (TGW) were quantified in 2006 and 2007. A strong positive correlation was found between IIS or Log10Tri5 DNA and total DON concentration in the harvested grain. The Js399-19, tebuconazole, and the mixture of tebuconazole and thiram significantly reduced IIS of FHB, amount of Tri5 DNA, and total DON within the grain and increased TGW. Although azoxystrobin, carbendazim, and thiram can increase TGW, they had no effect on the occurrence of F. graminearum compared with those of the untreated controls. Surprisingly, azoxystrobin and carbendazim significantly increased the total DON content in the harvested grain because they might have stimulated the amount of total DON production per Tri5 DNA. The fungicides Js399-19, tebuconazole, and the mixture of tebuconazole and thiram were the most effective in controlling FHB and reducing DON contamination of the wheat.
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Claims 12
Claim · model-written summary
Infected spikelet incidence was positively correlated with grain DON concentration.
- Taxon
- Winter Wheat
Triticum aestivumt0 - Interactor
- Fusarium graminearum
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=60)
Fusarium graminearumt1pathogene0 - Outcome
- total DON concentratione0
- Direction
- positive correlatione0
- Qualifier
- IISe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=500)
Verbatim
e0“A strong positive correlation was found between IIS or Log10Tri5 DNA and total DON concentration in the harvested grain”
t0“Winter Wheat”
t1“Fusarium graminearum”
Claim · model-written summary
Fungal Tri5 DNA was positively correlated with grain DON concentration.
- Taxon
- Winter WheatTriticum aestivumt0
- Interactor
- Fusarium graminearumFusarium graminearumt1pathogene0
- Outcome
- total DON concentratione0
- Direction
- positive correlatione0
- Qualifier
- Log10Tri5 DNAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A strong positive correlation was found between IIS or Log10Tri5 DNA and total DON concentration in the harvested grain”
t0“Winter Wheat”
t1“Fusarium graminearum”
Claim · model-written summary
Js399-19 reduced infected spikelet incidence, fungal DNA and grain DON and increased grain weight.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- Js399-19e0
- Outcome
- IIS of FHB, amount of Tri5 DNA, and total DON within the graine0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Js399-19, tebuconazole, and the mixture of tebuconazole and thiram significantly reduced IIS of FHB, amount of Tri5 DNA, and total DON within the grain and increased TGW”
t0“Winter Wheat”
Claim · model-written summary
Tebuconazole reduced disease incidence, fungal DNA and grain DON.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- tebuconazolee0
- Outcome
- IIS of FHB, amount of Tri5 DNA, and total DON within the graine0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tebuconazole, and the mixture of tebuconazole and thiram significantly reduced IIS of FHB, amount of Tri5 DNA, and total DON within the grain”
t0“Winter Wheat”
Claim · model-written summary
The tebuconazole and thiram mixture reduced disease incidence, fungal DNA and grain DON.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- mixture of tebuconazole and thirame0
- Outcome
- IIS of FHB, amount of Tri5 DNA, and total DON within the graine0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the mixture of tebuconazole and thiram significantly reduced IIS of FHB, amount of Tri5 DNA, and total DON within the grain”
t0“Winter Wheat”
Claim · model-written summary
Js399-19, tebuconazole and their stated mixture increased thousand grain weight.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- Js399-19e0
- Outcome
- TGWe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Js399-19, tebuconazole, and the mixture of tebuconazole and thiram significantly reduced IIS of FHB, amount of Tri5 DNA, and total DON within the grain and increased TGW”
t0“Winter Wheat”
Claim · model-written summary
Azoxystrobin increased thousand grain weight.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- azoxystrobine0
- Outcome
- TGWe0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“azoxystrobin, carbendazim, and thiram can increase TGW”
t0“Winter Wheat”
Claim · model-written summary
Carbendazim increased thousand grain weight.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- carbendazime0
- Outcome
- TGWe0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“azoxystrobin, carbendazim, and thiram can increase TGW”
t0“Winter Wheat”
Claim · model-written summary
Thiram increased thousand grain weight.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- thirame0
- Outcome
- TGWe0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“azoxystrobin, carbendazim, and thiram can increase TGW”
t0“Winter Wheat”
Claim · model-written summary
Azoxystrobin, carbendazim and thiram had no effect on Fusarium occurrence relative to untreated controls.
- Taxon
- Winter WheatTriticum aestivumt0
- Interactor
- F. graminearumFusarium graminearume0pathogen
- Outcome
- occurrence of F. graminearume0
- Direction
- no effecte0
- Comparator
- untreated controlse0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“they had no effect on the occurrence of F. graminearum compared with those of the untreated controls”
t0“Winter Wheat”
Claim · model-written summary
Azoxystrobin significantly increased grain DON content.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- azoxystrobine0
- Outcome
- total DON contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“azoxystrobin and carbendazim significantly increased the total DON content in the harvested grain”
t0“Winter Wheat”
Claim · model-written summary
Carbendazim significantly increased grain DON content.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- carbendazime0
- Outcome
- total DON contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“azoxystrobin and carbendazim significantly increased the total DON content in the harvested grain”
t0“Winter Wheat”
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See all 36 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.