Abstract
BACKGROUND: Yield loss and toxin contamination caused by wheat Fusarium head blight (FHB) have always been a worldwide concern. Cultivating disease-resistant varieties and fungicide application are effective measures to control FHB. The comprehensive control technology system for FHB and toxin contamination of wheat in Anhui Province needs further improvement. This study compared the control efficacy of different wheat varieties, fungicides and application times on wheat FHB and deoxynivalenol (DON) contamination, and the dynamic change of DON accumulation after application. RESULTS: Among the 93 main wheat varieties in Anhui Province, the disease-resistant and low-toxic wheat variety "Ningmai 26" was more suitable for planting in the central part of Anhui Province. At the same time, "Yangmai 22" was used for subsequent experiments. The field efficacy trials of different fungicides showed that 30% prothioconazole oil dispersion (OD) had the highest control efficacy on FHB and DON contamination, reaching 94.33 and 77.49%, respectively. The study on the optimum application time of prothioconazole showed that the 0-20% flowering stage was the key point of DON control. The survey of the dynamic changes of DON accumulation showed that prothioconazole could significantly reduce the level of DON accumulation while inhibiting the accumulation rate of DON. At the same time, the control fungicide carbendazim increased the level of DON contamination. CONCLUSION: This study will provide excellent germplasm resources for cultivating disease-resistant and low-toxic wheat varieties, and provide a theoretical reference for establishing a collaborative prevention and control system of disease control and toxin reduction. © 2023 Society of Chemical Industry.
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Claims 7
Claim · model-written summary
Ningmai 26 was judged suitable for central Anhui planting.
- Taxon
- wheat
Triticum aestivume0 - Material
- Ningmai 26e0
- Outcome
- more suitable for planting in the central part of Anhui Provincee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease-resistant and low-toxic wheat variety "Ningmai 26" was more suitable for planting in the central part of Anhui Province”
Claim · model-written summary
Prothioconazole had 94.33% FHB control efficacy.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 30% prothioconazole oil dispersion (OD)e0
- Outcome
- control efficacy on FHBe0
- Direction
- higheste0
- Value
- 94.33 and 77.49%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“30% prothioconazole oil dispersion (OD) had the highest control efficacy on FHB and DON contamination, reaching 94.33 and 77.49%, respectively”
t0“in wheat”
Claim · model-written summary
Prothioconazole had 77.49% DON contamination control efficacy.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 30% prothioconazole oil dispersion (OD)e0
- Outcome
- DON contaminatione0
- Direction
- higheste0
- Value
- 77.49%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“30% prothioconazole oil dispersion (OD) had the highest control efficacy on FHB and DON contamination, reaching 94.33 and 77.49%, respectively”
t0“in wheat”
Claim · model-written summary
The 0-20% flowering stage was the key timing for DON control.
- Taxon
- wheatTriticum aestivumt0
- Organ / stage
- 0-20% flowering stagee0
- Outcome
- key point of DON controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“0-20% flowering stage was the key point of DON control”
t0“in wheat”
Claim · model-written summary
Prothioconazole significantly reduced DON accumulation level.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- prothioconazolee0
- Outcome
- level of DON accumulatione0
- Direction
- reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“prothioconazole could significantly reduce the level of DON accumulation while inhibiting the accumulation rate of DON”
t0“in wheat”
Claim · model-written summary
Prothioconazole inhibited DON accumulation rate.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- prothioconazolee0
- Outcome
- accumulation rate of DONe0
- Direction
- inhibitinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“prothioconazole could significantly reduce the level of DON accumulation while inhibiting the accumulation rate of DON”
t0“in wheat”
Claim · model-written summary
Carbendazim increased DON contamination.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- carbendazime0
- Outcome
- level of DON contaminatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“control fungicide carbendazim increased the level of DON contamination”
t0“in wheat”
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