Raymond K Yokomi
(Ray)
Crop Diseases, Pests and Genetics
Research Plant Pathologist
Phone: (559) 596-2990
Fax: (559) 596-2992
9611 S. RIVERBEND AVE.
PARLIER, CA, 93648
Gutierrez, J.D., Backus, E.A., Yokomi, R.K., Schreiber, F. 2008. Differential stylet penetration behaviors of two Aphis gossypii biotypes in relation to host or vector infection with Citrus tristeza virus. Entomological Society of America Annual Meeting. Paper No. 36418.
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.
Yokomi, R.K., Mello,, A.F., Fletcher,, J. 2008. Citrus stubborn disease incidence determined by quantitative real time PCR. Journal of Plant Pathology 90 (2, Suppl.) S2.465.
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.
Yokomi, R.K., Mello, A., Saponari, M., Fletcher, J. 2008. PCR-based detection of spiroplasma citri associated with citrus stubborn disease. Plant Disease. 92:253-260.
Yokomi, R.K., Mello,, A.F., Fletcher,, J., Saponari, M. 2007. Quantitative Detection of Spiroplasma Citri by Real Time PCR. In: Proceedings of the 17th Conference International Organization of Citrus Virologists, October 22-26, 2007, Adana, Turkey. p. 172.
Yokomi, R.K., Polek,, M. 2007. Elevated Background in DAS-I ELISA for the Detection of Citrus Tristeza Virus in Mandarin Varieties. In: Proceedings of the 17th Conference International Organization of Citrus Virologists, October 22-26, 2007, Adana, Turkey. p. 66.
Yokomi, R.K., Polek,, M., Grafton-Cardwell,, B., O'Connell,, N. 2007. Rapid Assessment of the Citrus Tristeza Virus Isolates Detected in Spring 2007 at the Lindcove Research and Extension Center, Exeter, California. In: Proceedings of the 17th Conference of International Organization of Citrus Virologists, October 22-26, 2007, Adana, Turkey. p. 58.
Yokomi, R.K., Saponari,, M. 2007. Biological and Molecular Characterization of Two Virulent CTV Isolates Found in Central California. In: Proceedings of the 17th International Organization of Citrus Virologists. p. 71.
Saponari,, M., Yokomi, R.K. 2007. Characterization of Citrus Tristeza Virus Isolates by Single-strand Conformation Polymorphism Analysis of the Coat Protein Gene. In: Proceedings of the 17th International Organization of Citrus Virologists, October 22-26, 2007, Adana, Turkey. p. 139
Saponari,, M., Yokomi, R.K. 2007. Use of the CP and CPm Intergene Sequences to Discriminate CTV Strains. In: Proceedings of the 17th International Organization of Citrus Virologists, October 22-26, 2007, Adana, Turkey. p. 138.
Mello,, A.F., Yokomi, R.K., Fletcher,, J. 2007. Assessment of Stubborn Disease Incidence in Citrus. In: Proceedings of the 17th International Organization of Citrus Virologists, October 22-26, 2007, Adana, Turkey. p. 173.
Saponari,, M., Yokomi, R.K. 2007. Real-time RT-PCR assay for detection and differentiation of Citrus tristeza virus isolates. Journal of Plant Pathology 89 (3, supplement):S60.
Saponari, M., Keremane, M.L., Yokomi, R.K. 2008. Quantitative Detection of Citrus tristeza virus (CTV) in Citrus and Aphids by Real-time Reverse Transcription-PCR (TaqMan®). Journal of Virological Methods. 147:43-53.
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.
Mello, A.F., Fletcher, J., Yokomi, R.K. 2007. Spiroplasma citri Infection Affects Yield and Fruit Quality in Commercial Citrus Grove in California. Phytopathology. 97:S74.
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.
Lin, H., Doddapaneni, H., Civerolo, E.L., Yao, J., Yokomi, R.K., Bai, X., Cao, H., Zhao, X., Wen, R. 2006. Multiplex taqman-based pcr for sensitive and accurate quantification of citrus hlb and cvc pathogens; candidatus liberibacter and xylella fastidiosa [Abstract]. Proceedings of the Huanglongbing-greening International Workshop. p. 83.
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.
Yokomi, R.K., Deborde, R.L. 2005. Incidence, transmissibility, and genotype of citrus tristeza virus (CTV) isolates from a CTV eradicative and a non-eradicative district in central california. Plant Disease. 89(8):859-866.
Yokomi, R.K. 2005. Transmission profiles of California Citrus tristeza virus isolates by the cotton aphid, Aphis gossypii (homoptera: aphididae). Entomology Society of America Pacific Branch 89th Annual Meeting. p.103
Garnsey, S.M., Civerolo, E.L., Gumpf, D.J., Paul, C., Hilf, M.E., Lee, R.F., Brlansky, R.H., Yokomi, R.K., Hartung, J.S. 2007. Biological characterization of an international collection of citrus tristeza virus (ctv)isolates. In: Proceedings of Conference of International Organization of Citrus Virologists. p. 75-93.
Yokomi, R.K., Joost, J.H., Backus, E.A. 2004. Preliminary evaluation of two biotypes of aphis gossypii on the transmission of citrus tristeza virus. [Abstract] Conference of International Organization of Citrus Virologists. p.136.