Phosphite Integrated in Late Blight Treatment Strategies in Starch Potato Does Not Cause Residues in the Starch Product.
Identifieur interne : 000093 ( Main/Exploration ); précédent : 000092; suivant : 000094Phosphite Integrated in Late Blight Treatment Strategies in Starch Potato Does Not Cause Residues in the Starch Product.
Auteurs : Erland Liljeroth [Suède] ; Sa Lankinen [Suède] ; Erik Andreasson [Suède] ; Erik Alexandersson [Suède]Source :
- Plant disease [ 0191-2917 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
- pharmacologie : Phosphites.
- Amidon, Maladies des plantes, Phytophthora infestans, Solanum tuberosum.
English descriptors
- KwdEn :
- MESH :
- chemical , pharmacology : Phosphites.
- Phytophthora infestans, Plant Diseases, Solanum tuberosum, Starch.
Abstract
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.
DOI: 10.1094/PDIS-11-19-2296-RE
PubMed: 32830998
Affiliations:
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Sciences, Alnarp, SE-230 53, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, SE-230 53</wicri:regionArea><wicri:noRegion>SE-230 53</wicri:noRegion></affiliation></author><author><name sortKey="Andreasson, Erik" sort="Andreasson, Erik" uniqKey="Andreasson E" first="Erik" last="Andreasson">Erik Andreasson</name><affiliation wicri:level="1"><nlm:affiliation>Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, SE-230 53, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, SE-230 53</wicri:regionArea><wicri:noRegion>SE-230 53</wicri:noRegion></affiliation></author><author><name sortKey="Alexandersson, Erik" sort="Alexandersson, Erik" uniqKey="Alexandersson E" first="Erik" last="Alexandersson">Erik 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xml:lang="fr"><term>Amidon (MeSH)</term><term>Maladies des plantes (MeSH)</term><term>Phosphites (pharmacologie)</term><term>Phytophthora infestans (MeSH)</term><term>Solanum tuberosum (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Phosphites</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Phosphites</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Phytophthora infestans</term><term>Plant Diseases</term><term>Solanum tuberosum</term><term>Starch</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Amidon</term><term>Maladies des plantes</term><term>Phytophthora infestans</term><term>Solanum tuberosum</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">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 <i>Alternaria solani</i>) 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.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">32830998</PMID><DateCompleted><Year>2020</Year><Month>11</Month><Day>03</Day></DateCompleted><DateRevised><Year>2020</Year><Month>11</Month><Day>03</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0191-2917</ISSN><JournalIssue CitedMedium="Print"><Volume>104</Volume><Issue>11</Issue><PubDate><Year>2020</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Plant disease</Title><ISOAbbreviation>Plant Dis</ISOAbbreviation></Journal><ArticleTitle>Phosphite Integrated in Late Blight Treatment Strategies in Starch Potato Does Not Cause Residues in the Starch Product.</ArticleTitle><Pagination><MedlinePgn>3026-3032</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PDIS-11-19-2296-RE</ELocationID><Abstract><AbstractText>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 <i>Alternaria solani</i>) 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.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Liljeroth</LastName><ForeName>Erland</ForeName><Initials>E</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-6950-2434</Identifier><AffiliationInfo><Affiliation>Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, SE-230 53, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lankinen</LastName><ForeName>Åsa</ForeName><Initials>Å</Initials><AffiliationInfo><Affiliation>Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, SE-230 53, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Andreasson</LastName><ForeName>Erik</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, SE-230 53, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Alexandersson</LastName><ForeName>Erik</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, SE-230 53, Sweden.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>08</Month><Day>24</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Dis</MedlineTA><NlmUniqueID>9882809</NlmUniqueID><ISSNLinking>0191-2917</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D017905">Phosphites</NameOfSubstance></Chemical><Chemical><RegistryNumber>9005-25-8</RegistryNumber><NameOfSubstance UI="D013213">Starch</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D017905" MajorTopicYN="Y">Phosphites</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055750" MajorTopicYN="Y">Phytophthora infestans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011198" MajorTopicYN="Y">Solanum tuberosum</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013213" MajorTopicYN="N">Starch</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Phytophthora infestans</Keyword><Keyword MajorTopicYN="N">early blight</Keyword><Keyword MajorTopicYN="N">late blight</Keyword><Keyword MajorTopicYN="N">maximum residue level</Keyword><Keyword MajorTopicYN="N">potassium phosphite</Keyword><Keyword MajorTopicYN="N">residues</Keyword><Keyword MajorTopicYN="N">starch potato</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>8</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>11</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>8</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32830998</ArticleId><ArticleId IdType="doi">10.1094/PDIS-11-19-2296-RE</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Suède</li></country></list><tree><country name="Suède"><noRegion><name sortKey="Liljeroth, Erland" sort="Liljeroth, Erland" uniqKey="Liljeroth E" first="Erland" last="Liljeroth">Erland Liljeroth</name></noRegion><name sortKey="Alexandersson, Erik" sort="Alexandersson, Erik" uniqKey="Alexandersson E" first="Erik" last="Alexandersson">Erik Alexandersson</name><name sortKey="Andreasson, Erik" sort="Andreasson, Erik" uniqKey="Andreasson E" first="Erik" last="Andreasson">Erik Andreasson</name><name sortKey="Lankinen, Sa" sort="Lankinen, Sa" uniqKey="Lankinen " first=" Sa" last="Lankinen"> Sa Lankinen</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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