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Phosphite Integrate...
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Liljeroth, ErlandSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Växtskyddsbiologi,Department of Plant Protection Biology
(författare)
Phosphite Integrated in Late Blight Treatment Strategies in Starch Potato Does Not Cause Residues in the Starch Product
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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2020
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American Phytopathological Society,2024
Nummerbeteckningar
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LIBRIS-ID:oai:slubar.slu.se:108916
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https://res.slu.se/id/publ/108916URI
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https://doi.org/10.1094/PDIS-11-19-2296-REDOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Currently available fungicides against potato late blight are effective but there are concerns about the sustainability of frequent applications and the risks of fungicide resistance. Therefore, we investigated how potassium phosphite can be integrated into late blight control programs with reduced fungicides in field trials. Phosphite was somewhat less effective than the conventional fungicides at suppressing late blight in the foliage, and the tubers contained less starch. However, when we reduced the amount of phosphite and combined it with reduced amounts of conventional fungicides, we observed no differences in disease suppression, total yields, and tuber starch contents compared with the full treatments with conventional fungicides. The amount of phosphite detected in the harvested tubers was linearly associated with the amount of phosphite applied to the foliage. Our analyses indicate that phosphite could replace some fungicides without exceeding the current European Union standards for the maximum residue levels in potato tubers. No phosphite was detected in the starch from the tubers. In 1 of 2 years, early blight (caused by Alternaria solani) was less severe in the phosphite treatments than in the treatments without phosphite. The integration of phosphite into current treatment strategies would reduce the dependence on conventional fungicides.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Lankinen, ÅsaSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Växtskyddsbiologi,Department of Plant Protection Biology(Swepub:slu)49133
(författare)
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Andreasson, ErikSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Växtskyddsbiologi,Department of Plant Protection Biology(Swepub:slu)48766
(författare)
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Alexandersson, ErikSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Växtskyddsbiologi,Department of Plant Protection Biology(Swepub:slu)47478
(författare)
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Sveriges lantbruksuniversitetVäxtskyddsbiologi
(creator_code:org_t)
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Sveriges lantbruksuniversitet
Sammanhörande titlar
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Ingår i:Plant Disease104, s. 3026-30320191-29171943-7692
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