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Agricultural Research Service United States Department of Agriculture
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Jianchi Chen
Crop Diseases, Pests and Genetics
Research Plant Pathologist

Phone: (559) 596-2924
Fax: (559) 596-2921
9611 S. RIVERBEND AVE.
PARLIER, CA, 93648

Projects
EPIDEMIOLOGY AND MANAGEMENT OF XYLELLA FASTIDIOSA (XF) AND OTHER EXOTIC AND INVASIVE DISEASES AND INSECT PESTS
Appropriated (D)
  Accession Number: 411381
IDENTIFICATION AND DETECTION OF XYLELLA FASTIDIOSA STRAINS BY PCR-MICROARRAY
Specific Cooperative Agreement (S)
  Accession Number: 409202
CITRUS STUBBORN DISEASE IN CALIFORNIA: EPIDEMIOLOGY OF A RE-EMERGING PATHOGEN AND ITS VECTORS
Specific Cooperative Agreement (S)
  Accession Number: 409546
GENETIC DIVERSITY AND FINGERPRINTING OF CANDIDATUS LIBERIBACTER ASIATICUS STRAINS
Trust (T)
  Accession Number: 412807

Publications
Wintercuring of Prunus dulcis cv `Butte,¿ P. webbii and their interspecific hybrid in response to Xylella fastidiosa infections - (Peer Reviewed Journal) - (26-Apr-09)
Origins of the Xylella fastidiosa prophage-like regions and their impact in genome differentiation - (Peer Reviewed Journal)
De Mello Varani, A., Souza, R., Nakaya, H., De Lima, W., De Almeida, L., Kitajima, E., Chen, J., Civerolo, E.L., Vasconcelos, A., Van Sluys, M. 2008. Origins of the Xylella fastidiosa prophage-like regions and their impact in genome differentiation. PLoS One. 3(12):e4059. doi:10.1371/journal.pone.0004059.
Mulberry strains of Xylella fastidiosa contain a 25 kilobase pair plasmid with extensive sequence identity to a plasmid from Verminephrobacter eiseniae - (Abstract)
Stenger, D.C., Chen, J. 2008. Mulberry strains of Xylella fastidiosa contain a 25 kilobase pair plasmid with extensive sequence identity to a plasmid from Verminephrobacter eiseniae [abstract]. CDFA Pierce's Disease Control Program Research Symposium, December 15-17, 2008, San Diego, California; Poster abstracts not published in Proceedings.
A phytoplasma related to Candidatus Phytoplasma asteri is associated with citrus showing Huanglongbing (yellow shoot disease) symptoms in Guangdong, P. R. China - (Peer Reviewed Journal)
Chen, J., Deng,, X., Liu,, S., Pu,, X., Li,, H., Civerolo, E.L. 2009. A phytoplasma related to Candidatus Phytoplasma asteri is associated with citrus showing Huanglongbing (yellow shoot disease) symptoms in Guangdong, P. R. China. Phytopathology. 99:236-242.
Sequestering and characterization of sequence of a ribosomal RNA operon (rrn) from ¿Candiatus Liberibacter asiaticus¿ - (Peer Reviewed Journal) - (18-Sep-08)
Morphological evidence for phages of Xylella fastidiosa - (Peer Reviewed Journal)
Chen, J., Civerolo, E.L. 2008. Morphological evidence for phages of Xylella fastidiosa. Virology Journal. 5:75.
Xylella fastidiosa isolates from mulberry harbor a 25 kilobase pair plasmid with extensive sequence identity to a plasmid from Verminephrobacter eiseniae - (Abstract)
Stenger, D.C., Chen, J. 2008. Xylella fastidiosa isolates from mulberry harbor a 25 kilobase pair plasmid with extensive sequence identity to a plasmid from Verminephrobacter eiseniae. Phytopathology 98:S150.
Genetic Diversity of Spiroplasma citri strains from Different Regions, Hosts, and Isolation Dates - (Peer Reviewed Journal)
Mello,, A.F., Yokomi, R.K., Mulcher,, U., Chen, J., Wayadande,, A., Fletcher, J. 2008. Genetic Diversity of Spiroplasma citri strains from Different Regions, Hosts, and Isolation Dates. Phytopathology. 98:960-968.
Hyper-variation of Tandem Repeats at the PD0218 (pspB) locus of Xylella fastidiosa Almond Leaf Scorch and Grape Pierce¿s Disease Strains - (Peer Reviewed Journal)
Chen, J., Civerolo, E.L., Tubajika, K.M., Livingston, S., Higbee, B. 2008. Hyper-variation of Tandem Repeats at the PD0218 (pspB) locus of Xylella fastidiosa Almond Leaf Scorch and Grape Pierce¿s Disease Strains. Applied and Environmental Microbiology. 74:3652-3657.
Seasonal Population Dynamics of Draeculacephala minerva (Hemiptera: Cicadellidae) and Transmission Efficiency of Xylella fastidiosa - (Peer Reviewed Journal) - (15-Mar-08)
High throughput PCR detection of Xylella fastidiosa directly from almond tissues - (Peer Reviewed Journal)
Chen, J., Livingston, S., Groves, R.L., Civerolo, E.L. 2008. High throughput PCR detection of Xylella fastidiosa directly from almond tissues. Journal of Microbiological Methods. 73:57-61.
First report of graft-transmission and PCR detection of Candidatus Liberibacter asiaticus from Atalantia buxifolia in Guangdong, China - (Peer Reviewed Journal)
Deng, X., Chen, J., Luo, Z., Feng, Z., Li, H., Civerolo, E.L. 2008. First report of graft-transmission and PCR detection of Candidatus Liberibacter asiaticus from Atalantia buxifolia in Guangdong, China. Plant Disease. 92: 314.
Identifiction and Characterization of Huanglongbing Bacterium in Pummelo [citrus grandis (L.) Osbeck] from Multiple Locations in Guangdong, P.R. China - (Peer Reviewed Journal)
Deng, X., Chen, J., Feng, Z., Shan, Z., Guo, H., Li, H., Civerolo, E.L. 2007. Identifiction and Characterization of Huanglongbing Bacterium in Pummelo [citrus grandis (L.) Osbeck] from Multiple Locations in Guangdong, P.R. China. Plant Disease. 92:513-518.
Transmission of Spiroplasma citri to Carrots by Circulifer tenellus - (Abstract)
Mello,, A.F., Yokomi, R.K., Chen, J., Wayadande,, A., Fletcher,, J. 2008. Transmission of Spiroplasma citri to Carrots by Circulifer tenellus. Journal of Plant Pathology 90(2, Suppl.), S2.463.
Effects of Almond Leaf Scorch Disease on Almond Yield and Implications for Management - (Peer Reviewed Journal)
Sisterson, M.S., Chen, J., Civerolo, E.L., Ledbetter, C.A., Groves, R.L. 2008. Effects of Almond Leaf Scorch Disease on Almond Yield and Implications for Management. Plant Disease 92:409-414.
Identification of Candidatus Liberibacter asiaticus from Foshou (Citrus medica) in China - (Peer Reviewed Journal)
Deng, X., Chen, J., Shan, Z., Zhou, G., Li, H., Civerolo, E.L. Identification of Candidatus Liberibacter asiaticus from Foshou (Citrus medica) in China. Plant Pathology. New Disease Report, 15:Article July 2007. Available: http://www.bspp.org.uk/ndr/july2007/2007-66.asp
Genotypic and Phenotypic Comparisons Among Isolates of Colletotrichum species from Strawberry and Other Fruit Crops - (Peer Reviewed Journal)
Smith, B.J., Chen, J., Albibi, R. 2008. Genotypic and Phenotypic Comparisons Among Isolates of Colletotrichum species from Strawberry and Other Fruit Crops. North American Strawberry Conference Proceedings. 2007:87-93.
Genetic Diversity of Spiroplasma citri Isolates from Different Geographical Regions, Plant Hosts, and Dates of Isolations - (Abstract)
Mello, A.F., Yokomi, R.K., Melcher, U., Chen, J., Fletcher, J. 2007. Genetic Diversity of Spiroplasma citri Isolates from Different Geographical Regions, Plant Hosts, and Dates of Isolations. Phytopathology. 97:S75.
Nested-PCR Detection and Sequence Confirmation of Candidatus Liberibacter asiaticus from Murraya paniculata in Guangdong, China - (Peer Reviewed Journal)
Deng, X., Chen, J., Feng, Z., Li, H., Civerolo, E.L. 2007. Nested-PCR Detection and Sequence Confirmation of Candidatus Liberibacter asiaticus from Murraya paniculata in Guangdong, China. Plant Disease 91:1051.
COLONY MORPHOLOGY OF ALMOND LEAF SCORCH STRAINS OF XYLELLA FASTIDIOSA AND ITS EPIDEMIOLOGICAL APPLICATION - (Peer Reviewed Journal)
Chen, J., Groves, R.L., Zheng, Y., Civerolo, E.L., Viveros, M., Freeman, M. 2007. Colony morphology of almond leaf scorch strains of xylella fastidiosa and its epidemiological application. Canadian Journal of Plant Pathology. 29:225-231.
Two whole genome sequences of Xylella fastidiosa almond leaf scorch strains - (Abstract)
Chen, J., Han, S., Civerolo, E.L., Stenger, D.C., Van Sluys, M.A. 2007. Two whole genome sequences of Xylella fastidiosa almond leaf scorch strains [abstract]. Phytopathology 97(supplement): S21.
Susceptibility of Prunus rootstock seedlings to Xylella fastidiosa strains isolated from almond in California - (Abstract)
Chen, J., Ledbetter, C.A., Groves, R. 2007. Susceptibility of Prunus rootstock seedlings to Xylella fastidiosa strains isolated from almond in California. American Phytopathological Society, Annual Meeting, San Diego, CA, July 2007, (abstracts of meeting not published).
Two rrn DNAs from periwinkle infected by Candidatus Liberibacter asiaticus - (Abstract)
Deng, X., Chen, J., Li, H., Civerolo, E.L. 2007. Two rrn DNAs from periwinkle infected by Candidatus Liberibacter asiaticus. [abstract] Phytopathology. 97:S21
Genotypic and phenotypic characterization of Xylella fastidiosa strains isolated from California, Georgia and Florida - (Abstract)
Livingston, S., Chen, J., Chang, C.J., Hopkins, D., Hotchkiss, M.W., Reilly, C.C., Civerolo, E.L. 2007. Genotypic and phenotypic characterization of Xylella fastidiosa strains isolated from California, Georgia and Florida. [abstract]. Phytopathology. 97:S67.
Identification of Candidatus Liberibacter asiaticus from Wampee (Clausena lansium Skeels) in Guangdong Province, P. R. China - (Peer Reviewed Journal)
Deng, X., Chen, J., Zhou, G., Li, H., Civerolo, E.L. 2006. Identification of Candidatus Liberibacter asiaticus from Wampee (Clausena lansium Skeels) in Guangdong Province, P. R. China. D01:10.1094/PHP-2007-0419-01-BR
TOWARDS THE DEVELOPMENT OF A SEQUENCE-BASED PCR SYSTEM FOR DETECTION AND GENOMIC STUDY OF XYLELLA FASTIDOSA STRAINS IMPORTANT TO CALIFORNIA - (Proceedings/Symposium)
Chen, J., Livingston, S., Civerolo, E.L., Kirkpatrick, B. 2006. Towards the development of a sequence-based pcr system for detection and genomic study of xylella fastidosa strains important to california. In: Proceedings of the CDFA Pierce's Disease Control Program Research Symposium, November 27-29, 2006, San Diego, CA. p. 127-131.
EPIDEMIOLOGY OF ALMOND LEAF SCORCH DISEASE IN THE SAN JOAQUIN VALLEY OF CALIFORNIA: FACTORS AFFECTING PATHOGEN DISTRIBUTION AND MOVEMENT - (Proceedings/Symposium)
Groves, R., Sisterson, M.S., Chen, J., Lin, H. 2007. Epidemiology of Almond Leaf Scorch Disease in the San Joaquin Valley of California: factors affecting pathogen distribution and movement. In: Proceedings of the 34th Almond Industry Conference, December 6-7, 2006, Modesto, California. p. 176-183.
Surface Translocation of Xylella Fastidiosa on Solid Medium Surfaces - (Peer Reviewed Journal)
Chen, J., Groves, R.L., Civerolo, E.L. 2007. Surface Motility of Xylella Fastidiosa Visualized by Oblique Illumination. Canadian Journal of Microbiology 53:435-439.
MOLECULAR TECHNIQUES TO ASSESS GENETIC DIVERSITY AMONG ISOLATES OF SPIROPLASMA CITRI. - (Abstract)
Mello, A.F.S., Yokomi, R.K., Melcher, U., Chen, J.C., Fletcher. J. 2006. Molecular techniques to assess genetic diversity among isolates of Spiroplasma citri [abstract]. 16th International Congress International Organization for Mycoplasmology (IOM), St John's College Cambridge, UK, July 9-14, 2006.
IDENTIFICATION OF INFECTION LOCI OF SPIROPLASMA CITRI IN THE SAN JOAQUIN VALLEY. - (Abstract)
Yokomi, R.K., Mello, A., Fletcher, J., Chen, J.C. 2006. Identification of infection loci of Spiroplasma citri in the San Joaquin Valley. Phytopathology 97:S172. APS Net. 2006 Pacific Division Meeting Abstracts, June 13-16, 2006 - Boise, ID. Posted online Oct. 2, 2006. http://www.apsnet.org/ meetings/div/pc06abs.asp.
ASSESSMENT OF GENETIC DIVERSITY IN SPIROPLASMA CITRI BY RAPD, REP-PCR AND BACTERIOPHAGE PRIMERS - (Abstract)
Mello, A.F., Yokomi, R.K., Melcher, U., Chen, J., Fletcher, J. 2006. Assessment of Genetic Diversity in Spiroplasma citri by RAPD, rep-PCR and Bacteriophage Primers. Meeting Abstract. Phytopathology 96:S77
EVALUATION OF NESTED SYBR-BASED REAL-TIME PCR IN THE DETECTION OF CANDIDATUS LIBERIBACTER ASIATICUS FROM CITRUS - (Abstract)
Chen, J., Deng, X.L., Zhou, G., Feng, Z., Xu, J.H., Liu, Q.G., Civerolo, E.L. 2006. Evaluation of nested sybr-based real-time pcr in the detection of candidatus liberibacter asiaticus from citrus [abstract]. Proceedings of the Huanglongbing Greening International Workship. p.82.
ACQUISITION OF XYLELLA FASTIDIOSA BY GLASSY-WINGED SHARPSHOOTER: IMAGING OF BACTERIAL COLONIES AND THEIR LOCATIONS WITHIN THE FOREGUT OVER TIME - (Abstract)
Backus, E.A., Chen, J. 2006. Acquisition of Xylella fastidiosa by glassy-winged sharpshooter: Imaging of bacterial colonies and their locations within the foregut over time. [abstract] Phytopathology 96:S7.
VECTOR FITNESS AS A FUNCTION OF INFECTIVITY STATUS ALTERS DISEASE DYNAMICS. - (Abstract)
Sisterson, M.S., Chen, J. 2006. Vector Fitness as a Function of Infectivity Status Alters Disease Dynamics. Phytopathology 96:S108.
DETECTION OF CANDIDATUS LIBERIBACTER ASIATICUS FROM CITRUS HUANGLONGBING SAMPLES IN CHINA BY NESTED CONVENTIONAL AND REAL-TIME PCR - (Abstract)
Chen, J., Deng, X.L., Zhou, G., Feng, Z., Xu, J.H., Liu, Q.G., Civerolo, E.L. 2006. Detection of candidatus liberibacter asiaticus from citrus huanglongbing samples in china by nested conventional and real-time pcr. [abstract]. Phytopathology. 96:S23
MULTIGENIC SEQUENCE COMPARISON OF XYLELLA FASTIDIOSA PEAR LEAF SCORCH STRAINS FROM TAIWAN TO STRAINS FROM AMERICAS - (Abstract)
Chen, J., Su, C.C., Chang, C.J. 2006. Multigenic sequence comparison of xylella fastidiosa pear leaf scorch strains from taiwan to strains from americas. [abstract]. Phytopathology. 96:S23
VARIATION OF PSPB (PD1208) LOCUS AMONG CLOSELY RELATED XYLELLA FASTIDIOSA STRAINS - (Abstract)
Chen, J., Groves, R.L., Civerolo, E.L. 2006. Variation of pspb (pd1208) locus among closely related xylella fastidiosa strains. [abstract]. Phytopathology. 96:S22
MOTILITY TRAILS OF XYLELLA FASTDIOSA ON CULTURE MEDIA SURFACES VISUALIZED BY REFLECTION CONTRAST MICROSCOPY. - (Abstract)
Chen, J., Groves, R.L., Civerolo, E.L. 2006. Motility trails of xylella fastdiosa on culture media surfaces visualized by reflection contrast microscopy. [abstract]. Phytopathology. 96:S22
INITIAL SURVEY FOR SPIROPLASMA CITRI, A LEAFHOPPER-TRANSMITTED PATHOGEN INFECTING CITRUS AND OTHER CROPS IN CENTRAL CALIFORNIA. - (Abstract)
Yokomi, R.K., Mello, A., Kallsen, C., Nunez, J., Gorden, J., O¿Connell, N., Freeman, M., Chen, J.C., Fletcher, J. 2006. Initial survey for Spiroplasma citri, a leafhopper-transmitted pathogen infecting citrus and other crops in central California [abstract]. In: Abstracts 90th Annual Meeting Pacific Branch ESA, Maui, Hawaii, March 5-8, 2006. p.108-109.
RE-EMERGENCE OF ALMOND LEAF SCORCH DISEASE IN CALIFORNIA, IDENTIFICATION OF INOCULUM SOURCES AND INSECT VECTORS. - (Abstract)
Groves, R.L., Chen, J., Cabrera, J., Johnson, M., Daane, K. 2006. Re-emergence of almond leaf scorch disease in California, identification of inoculum sources and insect vectors. Entomology Society of America Pacific Branch Meeting. Available: http://pbesa.prosser.wsu.edu/2006abs.pdf pp:36-38
EVALUATION OF SNPS AND SAMPLE PREPARATION PROCEDURES IN THE DETECTION OF XYLELLA FASTIDIOSA STRAINS IMPORTANT TO CALIFORNIA - (Proceedings/Symposium)
Chen, J., Civerolo, E.L. 2005. Evaluation of snps and sample preparation procedures in the detection of xylella fastidiosa strains important to california. Proceedings of the 2005 Pierce's Disease Research Symposium. p.152-154.
EPIDEMIOLOGY OF PIERCE'S DISEASE IN THE CENTRAL SAN JOAQUIN VALLEY OF CALIFORNIA: FACTORS AFFECTING PATHOGEN DISTRIBUTION AND MOVEMENT - (Proceedings/Symposium)
Groves, R.L., Chen, J. 2005. Epidemiology of Pierce's Disease in the Central San Joaquin Valley of California: Factors Affecting Pathogen Distribution and Movement. Proceedings of the 2005 Pierce's Disease Research Symposium. p. 22-25.
SEASONAL POPULATION DYNAMICS AND INCIDENCE OF XYLELLA FASTIDIOSA INFECTION IN POTENTIAL INSECT VECTORS OF THE ALMOND LEAF SCORCH PATHOGEN IN CALIFORNIA'S SAN JOAQUIN VALLEY - (Abstract)
Sikuljak, T., Groves, R.L., Chen, J., Lawson, A. 2005. Seasonal Population Dynamics and Incidence of Xylella fastidiosa Infection in Potential Insect Vectors of the Almond Leaf Scorch Pathogen in California's San Joaquin Valley. Entomological Society of America Annual Meeting. No Volume, issues or page numbers available.
TEMPORAL PATTERNS OF ALMOND LEAF SCORCH DISEASE PROGRESS AND ASSOCIATED XYLELLA FASTIDIOSA GENOTYPES. - (Abstract)
Groves, R.L., Chen, J., Viveros, M., Freeman, M., Lynn, K., Civerolo, E.L. 2005. Temporal patterns of almond leaf scorch disease progress and associated Xylella fastidiosa genotypes. Phytopathology. 95(6):S37.
SEASONAL POPULATION BIOLOGY OF XYLELLA FASTIDIOSA GENOTYPES IN ALMOND AND MOVEMENT BY INSECT VECTORS - (Abstract)
Cabrera, J., Groves, R.L., Chen, J., Lin, H., Francis, M., Civerolo, E.L. 2005. Seasonal population biology of Xylella fastidiosa genotypes in almond and movement by insect vectors. Phytopatholoy. 95(6):S16.
HIGH THROUGHPUT DETECTION OF XYLELLA FASTIDIOSA FROM ALMOND AND GRAPE TISSUES - (Abstract)
Chen, J., Groves, R.L., Civerolo, E.L. 2005. High throughput detection of Xylella fastidiosa from almond and grape tissues. Phytopathology. 95:S19.
COLONY MORPHOLOGY OF XYLELLA FASTIDIOSA ALMOND LEAF SCORCH STRAINS AND THEIR GENOMIC AND DIAGNOSTIC IMPLICATIONS - (Abstract)
Chen, J., Groves, R.L., Civerolo, E.L., Viveros, M., Freeman, M., Zheng, Y. 2005. Colony morphology of Xylella fastidiosa almond leaf scorch strains and their genomic and diagnostic implications. Phytopathology. 95:S18.
TWO XYLELLA FASTIDIOSA GENOTYPES ASSOCIATED WITH ALMOND LEAF SCORCH DISEASE ON THE SAME LOCATION IN CALIFORNIA - (Peer Reviewed Journal)
Chen, J., Groves, R.L., Civerolo, E.L., Viveros, M., Freeman, M., Zheng, Y. 2005. Two Xylella fastidiosa genotypes associated with almond leaf scorch disease on the same location in California. Phytopathology. 95(6):708-714.
SPATIAL ANALYSIS OF ALMOND LEAF SCORCH DISEASE IN THE SAN JOAQUIN VALLEY OF CALIFORNIA: FACTORS AFFECTING PATHOGEN DISTRIBUTION AND SPREAD - (Peer Reviewed Journal)
Groves, R.L., Chen, J., Civerolo, E.L., Freeman, M., Viveros, M. 2005. Spatial analysis of almond leaf scorch disease in the San Joaquin Valley of California: Factors affecting pathogen distribution and spread. Plant Disease. 86(6):581-589.
EPIDEMIOLOGY OF PIERCE'S DISEASE IN THE CENTRAL SAN JOAQUIN VALLEY OF CALIFORNIA: FACTORS AFFECTING PATHOGEN DISTRIBUTION AND MOVEMENT - (Proceedings/Symposium)
Groves, R.L., Chen, J. 2004. Epidemiology of Pierce's Disease in the Central San Joaquin Valley of California: Factors affecting pathogen distribution and movement. Proceedings of the 2004 Pierce's Disease Research Symposium. p. 103-105.
EPIDEMIOLOGY OF ALMOND LEAF SCORCH DISEASE IN THE SAN JOAQUIN VALLEY OF CALIFORNIA: FACTORS AFFECTING PATHOGEN DISTRIBUTION AND MOVEMENT - (Proceedings/Symposium)
Groves, R.L., Chen, J. 2004. Epidemiology of almond leaf scorch disease in the San Joaquin Valley of California: Factors affecting pathogen distribution and movement. Proceedings of the 32nd. Annual Almond Conference. p. 159-164
GENETIC DISCOVERY IN XYLELLA FASTIDIOSA THROUGH SEQUENCE ANALYSIS OF SELECTED RANDOMLY AMPLIFIED POLYMORPHIC DNAS - (Peer Reviewed Journal)
Chen, J., Civerolo, E.L., Jarret, R.L., Van Sluys, M., De Oliveira, M. 2005. Genetic discovery in Xylella fastidiosa through sequence analysis of selected randomly amplified polymorphic DNAs. Current Microbiology. 50(2):78-83.
GENOMIC EXPLORATION OF PRODUCE DEGRADATION - (Book/Chapter)
Chen, J. 2005. Genomic exploration of produce degradation. Molecular Genetics and Genomics. In: Lamikanra, O., Imam, S., Ukuku, D., editors. Produce Degradation Pathways and Prevention. Boca Raton, Fl: CRC Press. p. 1-18.
ALMOND LEAF SCORCH DISEASE IN THE SAN JOAQUIN VALLEY OF CALIFORNIA: FACTORS AFFECTING PATHOGEN DISTRIBUTION - (Abstract)
Groves, R.L., Chen, J., Civerolo, E.L., Viveros, M., Freeman, M., Haviland, D. 2004. Almond leaf scorch disease in the San Joaquin Valley of California: Factors affecting pathogen distribution [Abstract]. Phytopathology. 94:S36.
SIMULTANEOUS ASSOCIATION OF TWO XYLELLA FASTIDIOSA GENOTYPES WITH ALMOND LEAF SCORCH DISEASE IN CALIFORNIA - (Abstract)
Chen, J., Groves, R.L., Civerolo, E.L., Viveros, M., Freeman, M., Zheng, Y. 2004. Simultaneous association of two Xylella fastidiosa genotypes with almond leaf scorch disease in California [Abstract]. Phytopathology. 94:S17.
CHARACTERIZATION OF A XYLELLA FASTIDIOSA FIELD STRAIN ON THE GENOMICS BASIS - (Abstract)
Chen, J., Civerolo, E.L., Jarret, R.L., Van Sluys, M.A., De Oliveira, M.C. 2003. Characterization of a Xylella fastidiosa field strain on the genomics basis [Abstract]. Phytopathology. 93:S16.

   
 
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