Titers of 'Ca. Liberibacter asiaticus' in Murraya paniculata and Murraya-reared Diaphorina citri Are Much Lower than in Citrus and Citrus-reared Psyllids
Identifieur interne : 001573 ( Main/Exploration ); précédent : 001572; suivant : 001574Titers of 'Ca. Liberibacter asiaticus' in Murraya paniculata and Murraya-reared Diaphorina citri Are Much Lower than in Citrus and Citrus-reared Psyllids
Auteurs : Abigail J. Walter [États-Unis] ; YONGPING DUAN [États-Unis] ; David G. Hall [États-Unis]Source :
- HortScience [ 0018-5345 ] ; 2012.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Horticulture.
English descriptors
- KwdEn :
Abstract
Huanglongbing, one of the most devastating diseases of citrus, is associated with the bacterium 'Candidates Liberibacter asiaticus' vectored by the Asian citrus psyllid, Diaphorina citri, in North America. Murraya paniculata is a common ornamental plant that is an alternate host of both the psyllid and bacterium. We tested M. paniculata and Citrus sinensis grown together in the same field for their titer of 'Ca. L. asiaticus'. We found the bacterium in both M. paniculata and C. sinensis, but the titer was four orders of magnitude lower in M. paniculata. We also assayed D. citri from laboratory colonies reared on either 'Ca. L. asiaticus'-infected M. panietrlata or infected Citrus spp. Psyllids reared on infected M. paniculata also carried bacterial titers five orders of magnitude lower than psyllids reared on infected Citrus spp. These observations imply resistance to huanglongbing in M. paniculata.
Affiliations:
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Rock Road</s1><s2>Fort Pierce, FL 34945</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Hall, David G" sort="Hall, David G" uniqKey="Hall D" first="David G." last="Hall">David G. Hall</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>USDA-ARS Horticultural Research Laboratory, 2001 S. 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Liberibacter asiaticus' in Murraya paniculata and Murraya-reared Diaphorina citri Are Much Lower than in Citrus and Citrus-reared Psyllids</title><author><name sortKey="Walter, Abigail J" sort="Walter, Abigail J" uniqKey="Walter A" first="Abigail J." last="Walter">Abigail J. Walter</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>USDA-ARS Horticultural Research Laboratory, 2001 S. Rock Road</s1><s2>Fort Pierce, FL 34945</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Yongping Duan" sort="Yongping Duan" uniqKey="Yongping Duan" last="Yongping Duan">YONGPING DUAN</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>USDA-ARS Horticultural Research Laboratory, 2001 S. Rock Road</s1><s2>Fort Pierce, FL 34945</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Hall, David G" sort="Hall, David G" uniqKey="Hall D" first="David G." last="Hall">David G. Hall</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>USDA-ARS Horticultural Research Laboratory, 2001 S. Rock Road</s1><s2>Fort Pierce, FL 34945</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Floride</region></placeName></affiliation></author></analytic><series><title level="j" type="main">HortScience</title><title level="j" type="abbreviated">HortScience</title><idno type="ISSN">0018-5345</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">HortScience</title><title level="j" type="abbreviated">HortScience</title><idno type="ISSN">0018-5345</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alternative host</term><term>Bacteriosis</term><term>Citrus</term><term>Horticulture</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Hôte alternatif</term><term>Bactériose</term><term>Horticulture</term><term>Citrus</term><term><<>></term><term>Liberibacter asiaticus</term><term>Murraya paniculata</term><term>Diaphorina citri</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Horticulture</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Huanglongbing, one of the most devastating diseases of citrus, is associated with the bacterium 'Candidates Liberibacter asiaticus' vectored by the Asian citrus psyllid, Diaphorina citri, in North America. Murraya paniculata is a common ornamental plant that is an alternate host of both the psyllid and bacterium. We tested M. paniculata and Citrus sinensis grown together in the same field for their titer of 'Ca. L. asiaticus'. We found the bacterium in both M. paniculata and C. sinensis, but the titer was four orders of magnitude lower in M. paniculata. We also assayed D. citri from laboratory colonies reared on either 'Ca. L. asiaticus'-infected M. panietrlata or infected Citrus spp. Psyllids reared on infected M. paniculata also carried bacterial titers five orders of magnitude lower than psyllids reared on infected Citrus spp. These observations imply resistance to huanglongbing in M. paniculata.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Floride</li></region></list><tree><country name="États-Unis"><region name="Floride"><name sortKey="Walter, Abigail J" sort="Walter, Abigail J" uniqKey="Walter A" first="Abigail J." last="Walter">Abigail J. Walter</name></region><name sortKey="Hall, David G" sort="Hall, David G" uniqKey="Hall D" first="David G." last="Hall">David G. Hall</name><name sortKey="Yongping Duan" sort="Yongping Duan" uniqKey="Yongping Duan" last="Yongping Duan">YONGPING DUAN</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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