Reduction of defoliation in citrus caused by Mycosphaerella citri with a novel biocompatible fungicide
Identifieur interne : 002C93 ( Main/Merge ); précédent : 002C92; suivant : 002C94Reduction of defoliation in citrus caused by Mycosphaerella citri with a novel biocompatible fungicide
Auteurs : R. J. Mcgovern [États-Unis] ; A. E. Winston [États-Unis] ; R. E. Rouse [États-Unis] ; A. W. Jr Welch [États-Unis]Source :
- Plant disease [ 0191-2917 ] ; 2003.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Agriculture durable.
English descriptors
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Abstract
A novel, biocompatible fungicide, CD-2346, was evaluated for management of defoliation associated with greasy spot (Mycosphaerella citri Whiteside) in orange (Citrus sinensis (L.) Osbeck) and grapefruit (Citrus x paradisi Macfad.). This product contains potassium bicarbonate, potassium carbonate, urea, and a surfactant. CD-2346 (7.0 kg/ha) and a half-rate combination of CD-2346 + benomyl (0.55 kg/ha) were compared with a higher rate of benomyl (1.1 kg/ha) and commercial standards of oil (petroleum distillate FC-435-66 [70 to 93.5 liters/ha]) or oil (46.8 liters/ha) + copper sulfate (2.2 to 2.8 kg/ha). Fungicide efficacy was assessed using the area under the defoliation progress curve (AUDPC) and final defoliation in entire trees or final greasy spot severity in individual leaves. All fungicide treatments reduced the AUDPC, and all but benomyl reduced either final defoliation percentage or disease severity in individual leaves. CD-2346 and the reduced-rate combination of CD-2346 + benomyl were generally equal or superior to the full rate of benomyl in decreasing the AUDPC; CD-2346 + benomyl was equivalent to oil in reducing the AUDPC. Oil and CD-2346 treatments similarly reduced final defoliation, but oil + copper sulfate was superior to CD-2346 in reducing the AUDPC and final greasy spot defoliation or severity.
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Pascal:03-0362624Le document en format XML
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Winston</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Church & Dwight Co., Inc.</s1><s2>Princeton, NJ 08540</s2><s3>USA</s3><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">New Jersey</region></placeName></affiliation></author><author><name sortKey="Rouse, R E" sort="Rouse, R E" uniqKey="Rouse R" first="R. E." last="Rouse">R. E. Rouse</name><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>University of Florida-IFAS, Southwest Florida Research and Education Center</s1><s2>Immokalee, FL 34142</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Welch, A W Jr" sort="Welch, A W Jr" uniqKey="Welch A" first="A. W. Jr" last="Welch">A. W. Jr Welch</name><affiliation wicri:level="2"><inist:fA14 i1="04"><s1>Welch Agricultural Services</s1><s2>Bradenton, FL 34206</s2><s3>USA</s3><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">03-0362624</idno><date when="2003">2003</date><idno type="stanalyst">PASCAL 03-0362624 INIST</idno><idno type="RBID">Pascal:03-0362624</idno><idno type="wicri:Area/PascalFrancis/Corpus">000751</idno><idno type="wicri:Area/PascalFrancis/Curation">000253</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000707</idno><idno type="wicri:doubleKey">0191-2917:2003:Mcgovern R:reduction:of:defoliation</idno><idno type="wicri:Area/Main/Merge">002C93</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Reduction of defoliation in citrus caused by Mycosphaerella citri with a novel biocompatible fungicide</title><author><name sortKey="Mcgovern, R J" sort="Mcgovern, R J" uniqKey="Mcgovern R" first="R. J." last="Mcgovern">R. J. Mcgovern</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University of Florida-IFAS, Plant Pathology Department</s1><s2>Gainesville 32611</s2><s3>USA</s3><sZ>1 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Gainesville 32611</wicri:noRegion></affiliation></author><author><name sortKey="Winston, A E" sort="Winston, A E" uniqKey="Winston A" first="A. E." last="Winston">A. E. Winston</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Church & Dwight Co., Inc.</s1><s2>Princeton, NJ 08540</s2><s3>USA</s3><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">New Jersey</region></placeName></affiliation></author><author><name sortKey="Rouse, R E" sort="Rouse, R E" uniqKey="Rouse R" first="R. E." last="Rouse">R. E. Rouse</name><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>University of Florida-IFAS, Southwest Florida Research and Education Center</s1><s2>Immokalee, FL 34142</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Welch, A W Jr" sort="Welch, A W Jr" uniqKey="Welch A" first="A. W. Jr" last="Welch">A. W. Jr Welch</name><affiliation wicri:level="2"><inist:fA14 i1="04"><s1>Welch Agricultural Services</s1><s2>Bradenton, FL 34206</s2><s3>USA</s3><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Plant disease</title><title level="j" type="abbreviated">Plant dis.</title><idno type="ISSN">0191-2917</idno><imprint><date when="2003">2003</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Plant disease</title><title level="j" type="abbreviated">Plant dis.</title><idno type="ISSN">0191-2917</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Benomyl</term><term>Biocompatibility</term><term>Chemical control</term><term>Citrus</term><term>Fungicide</term><term>Mechanism of action</term><term>Mycosphaerella</term><term>Sustainable agriculture</term><term>Treatment efficiency</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Citrus</term><term>Mycosphaerella</term><term>Fongicide</term><term>Lutte chimique</term><term>Efficacité traitement</term><term>Biocompatibilité</term><term>Mécanisme action</term><term>Agriculture durable</term><term>Benomyl</term><term>Mycosphaerella citri</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Agriculture durable</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A novel, biocompatible fungicide, CD-2346, was evaluated for management of defoliation associated with greasy spot (Mycosphaerella citri Whiteside) in orange (Citrus sinensis (L.) Osbeck) and grapefruit (Citrus x paradisi Macfad.). This product contains potassium bicarbonate, potassium carbonate, urea, and a surfactant. CD-2346 (7.0 kg/ha) and a half-rate combination of CD-2346 + benomyl (0.55 kg/ha) were compared with a higher rate of benomyl (1.1 kg/ha) and commercial standards of oil (petroleum distillate FC-435-66 [70 to 93.5 liters/ha]) or oil (46.8 liters/ha) + copper sulfate (2.2 to 2.8 kg/ha). Fungicide efficacy was assessed using the area under the defoliation progress curve (AUDPC) and final defoliation in entire trees or final greasy spot severity in individual leaves. All fungicide treatments reduced the AUDPC, and all but benomyl reduced either final defoliation percentage or disease severity in individual leaves. CD-2346 and the reduced-rate combination of CD-2346 + benomyl were generally equal or superior to the full rate of benomyl in decreasing the AUDPC; CD-2346 + benomyl was equivalent to oil in reducing the AUDPC. Oil and CD-2346 treatments similarly reduced final defoliation, but oil + copper sulfate was superior to CD-2346 in reducing the AUDPC and final greasy spot defoliation or severity.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Floride</li><li>New Jersey</li></region></list><tree><country name="États-Unis"><noRegion><name sortKey="Mcgovern, R J" sort="Mcgovern, R J" uniqKey="Mcgovern R" first="R. J." last="Mcgovern">R. J. Mcgovern</name></noRegion><name sortKey="Rouse, R E" sort="Rouse, R E" uniqKey="Rouse R" first="R. E." last="Rouse">R. E. Rouse</name><name sortKey="Welch, A W Jr" sort="Welch, A W Jr" uniqKey="Welch A" first="A. W. Jr" last="Welch">A. W. Jr Welch</name><name sortKey="Winston, A E" sort="Winston, A E" uniqKey="Winston A" first="A. E." last="Winston">A. E. Winston</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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