Abstract
Winter wheat cultivar Basalt was artificially inoculated with Fusarium culmorum at the end of anthesis and treated with the systemic fungicide tebuconazole (Folicur®) a few days before and/or after inoculation. Check plots remained uninoculated and unsprayed. Head infections, yield, yield components and the percentage of Fusarium- infected kernels were determined. Artificial Fusarium inoculation lowered yield significantly by 24.2-45.0%. Any fungicide treatment saved yield, thousand grain weight and kernel numbers per head. Pre-infectional application of tebuconazole was superior to application carried out post-infection. Moreover, the fungicide controlled deoxynivalenol (DON) synthesis in the field to a considerable extent, and enabled good control of Fusarium head blight, glume blotch and the percentage of Fusarium-infected kernels. The levels of Fusarium kernel infection after harvest clearly reflected the DON content of w heat grain. Zusammenfassung Auswirkungen einer Tebuconazol Applikation auf den Ertrag, Ertragseigenschaften und den Mykotoxingehalt von Fusarium- infizierten Weizenkornern Winterweizen der Sorte ‘Basalt’ wurde im Feld kunstlich mit Fusarium culmorum zum Ende der Blute infiziert. Jeweils einige Tage vor und/oder nach der Inokulation wurden die Parzellen mit dem Fungizid Tebuconazol (Folicur®) behandelt. Kontrollparzellen blieben unbehandelt und ohne Inokulation. Neben dem Ertrag wurden das Ausmas der Ahreninfektion, der Prozentsatz fusarium-inlizierter Korner und Ertragskomponenten bestimmt. Kunstliche Fusarium-Infektion senkte den Ertrag signifikant um 24.2bi 45.0%. Jede der Folicur-Behandlungen erbrachte eine beachtliehe Ertragssicherung. ferner eine Erhohung des TKG und der Kornzahl je Ahre. Vorinfektionelle Behandlung war einer nachinfektionellen Spritzung uberlegen. Nach Folicur-Einsatz. war der DON-Gehalt (Deoxynivalenol) der Korner im Vergleich zur Kontrolle erheblich niedriger. Daruber hinaus wurden eine beachtliche Bekampfung der Ahrenfusariose und der Spelzenbraune ebenso wie eine Verringerung des Prozentsatzes fusarium-inlizierter Korner erreicht. Das Ausmas der Fusarium-Infektion der Korner nach der Ernte war fur ihren DON-Gehalt bestimmend.
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Claims 6
Claim · model-written summary
Fusarium inoculation significantly lowered winter wheat yield by 24.2-45.0% relative to uninoculated check plots.
- Taxon
- Winter wheat
Triticum aestivume5 - Treatment
- Artificial Fusarium inoculatione0
- Outcome
- yielde0
- Direction
- lowerede0
- Value
- 24.2-45.0%e0
- Comparator
- Check plotse6
FusariumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Winter wheat cultivar Basalt was artificially inoculated with Fusarium culmorum”
e0“Artificial Fusarium inoculation lowered yield significantly by 24.2-45.0%”
e6“Check plots remained uninoculated and unsprayed”
Claim · model-written summary
Fungicide treatment saved winter wheat yield, thousand grain weight and kernel numbers per head compared with check plots.
- Taxon
- Winter wheatTriticum aestivume5
- Treatment
- Any fungicide treatmente1
- Outcome
- yield, thousand grain weight and kernel numbers per heade1
- Direction
- savede1
- Comparator
- Check plotse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Winter wheat cultivar Basalt was artificially inoculated with Fusarium culmorum”
e1“Any fungicide treatment saved yield, thousand grain weight and kernel numbers per head”
e6“Check plots remained uninoculated and unsprayed”
Claim · model-written summary
Pre-infectional tebuconazole application was superior to post-infection application.
- Taxon
- Winter wheatTriticum aestivume5
- Treatment
- Pre-infectional application of tebuconazolee2
- Outcome
- superiore2
- Direction
- superiore2
- Comparator
- application carried out post-infectione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Winter wheat cultivar Basalt was artificially inoculated with Fusarium culmorum”
e2“Pre-infectional application of tebuconazole was superior to application carried out post-infection”
Claim · model-written summary
The fungicide controlled deoxynivalenol synthesis in the field to a considerable extent in winter wheat.
- Taxon
- Winter wheatTriticum aestivume5
- Treatment
- the fungicidee3
- Outcome
- deoxynivalenol (DON) synthesise3
- Direction
- controllede3
- Setting
- in the fielde3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Winter wheat cultivar Basalt was artificially inoculated with Fusarium culmorum”
e3“Moreover, the fungicide controlled deoxynivalenol (DON) synthesis in the field to a considerable extent, and enabled good control of Fusarium head blight, glume blotch and the percentage of Fusarium-infected kernels”
Claim · model-written summary
The fungicide gave good control of Fusarium head blight, glume blotch and Fusarium-infected kernels in winter wheat.
- Taxon
- Winter wheatTriticum aestivume5
- Treatment
- the fungicidee3
- Outcome
- Fusarium head blight, glume blotch and the percentage of Fusarium-infected kernelse3
- Direction
- good controle3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Winter wheat cultivar Basalt was artificially inoculated with Fusarium culmorum”
e3“Moreover, the fungicide controlled deoxynivalenol (DON) synthesis in the field to a considerable extent, and enabled good control of Fusarium head blight, glume blotch and the percentage of Fusarium-infected kernels”
Claim · model-written summary
Fusarium kernel infection after harvest reflected the DON content of winter wheat grain.
- Taxon
- Winter wheatTriticum aestivume5
- Outcome
- DON content of w heat graine4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Winter wheat cultivar Basalt was artificially inoculated with Fusarium culmorum”
e4“The levels of Fusarium kernel infection after harvest clearly reflected the DON content of w heat grain”
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