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Agricultural Research Service United States Department of Agriculture
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John L Sears
Crop Improvement and Protection Research
Biological Science Technician (Plants)

Phone: (831) 755-2829
Fax: (831) 755-2814
1636 E. ALISAL ST.
SALINAS, CA, 93905


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Distribution, cultivar susceptibility, and epidemiology of Apium virus Y on celery in coastal California - (Peer Reviewed Journal)
Koike, S.T., Liu, H., Sears, J.L., Tian, T., Daugovish, O., Dara, S. 2012. Distribution, cultivar susceptibility, and epidemiology of Apium virus Y on celery in coastal California. Plant Disease. 96(5):612-617.
PRODUCTION OF POLYCLONAL ANTIBODIES AGAINST PELARGONIUM ZONATE SPOT VIRUS COAT PROTEIN EXPRESSED IN ESCHERICHIA COLI AND APPLICATION FOR IMMUNODIAGNOSIS - (Peer Reviewed Journal)
Gulati Sakhuja, A.N., Sears, J.L., Nunez, A., Liu, H. 2009. PRODUCTION OF POLYCLONAL ANTIBODIES AGAINST PELARGONIUM ZONATE SPOT VIRUS COAT PROTEIN EXPRESSED IN ESCHERICHIA COLI AND APPLICATION FOR IMMUNODIAGNOSIS. Journal of Virological Methods. 160: 29-37.
Spinach: A new natural host of Impatiens necrotic spot virus in California. - (Peer Reviewed Journal)
Liu, H., Sears, J.L., Mou, B. 2009. Spinach: A new natural host of Impatiens necrotic spot virus in California.. Plant Disease 93:673, 2009
First report of Pelargonium zonate spot virus from tomato in the United States - (Peer Reviewed Journal)
Liu, H., Sears, J.L. 2007. First report of Pelargonium zonate spot virus from tomato in the United States. Plant Disease. 91:633.
OCCURRENCE OF RESISTANCE BREAKING BEET NECROTIC YELLOW VEIN VIRUS OF SUGAR BEET. - (Peer Reviewed Journal)
Liu, H., Sears, J.L., Lewellen, R.T. 2005. Occurrence of resistance breaking beet necrotic yellow vein virus of sugar beet. Plant Disease. 89:464-468.
ETIOLOGY AND PATHOGENICITY STUDIES OF RESISTANCE-BREAKING ISOLATES OF BEET NECROTIC YELLOW VEIN VIRUS. - (Proceedings)
Liu, H-Y., Sears, J.L., Lewellen, R.T. 2005. Etiology and pathogenicity studies of resistance-breaking isolates of beet necrotic yellow vein virus.Abstract of IX International Plant Virus Epidemiology Symposium. Page 96. April 4-7, 2005, Lima, Peru.
BIOLOGICAL AND MOLECULAR ANALYSIS OF BEET NECROTIC YELLOW VEIN VIRUS ISOLATES THAT OVERCOME THE RESISTANCE GENES - (Proceedings)
Liu, H., Sears, J.L., Lewellen, R.T. 2005. Biological and molecular analysis of beet necrotic yellow vein virus isolates that overcome the resistance genes. American Society of Sugarbeet Technologists, March 2-5, 2005, Palm Springs, California. p. 189-190.
EMERGENCE OF RESISTANCE-BREAKING ISOLATES OF BEET NECROTIC YELLOW VEIN VIRUS IN THE IMPERIAL VALLEY, CALIFORNIA. - (Proceedings)
Liu, H., Sears, J.L., Lewellen, R.T. 2004. Emergence of resistance-breaking isolates of beet necrotic yellow vein virus in the Imperial Valley, California. Phytopathology. 94:S62
P-PATHOTYPE OF RHIZOMANIA IN SUGAR BEET HAS NOT BEEN IDENTIFIED IN THE IMPERIAL VALLEY. - (Popular Publication)
Liu, H., Sears, J.L., Lewellen, R.T. 2004. P-pathotype of rhizomania in sugar beet has not been identified in the Imperial Valley. The California Sugar Beet, p. 12-13, 25.
FIRST REPORT OF CALIBRACHOA MOTTLE VIRUS (CBMV) INFECTING PETUNIA. - (Peer Reviewed Journal)
Liu, H., Sears, J.L., Bandla, M., Harness, A.M., Kulemeka, B. 2003. First report of calibrachoa mottle virus (cbmv) infecting petunia. Plant Disease. 87:1538.
INTERACTION BETWEEN BEET NECROTIC YELLOW VEIN VIRUS AND BEET SOIL-BORNE MOSAIC VIRUS IN SUGAR BEET - (Peer Reviewed Journal)
Wisler, G.C., Lewellen, R.T., Sears, J.L., Wasson, J.W., Liu, H., Wintermantel, W.M. Interaction between beet necrotic yellow vein virus and beet soil-borne mosaic virus in sugar beet. Plant Disease. 2003. v. 87. p. 1170-1175.
EFFECTS OF TWO SOIL-BORNE VIRUSES OF SUGARBEET AND THEIR FUNGAL VECTOR, POLYMYXA BETAE, ON VIRUS ACCUMULATION AND PLANT GROWTH IN SUGARBEET - (Proceedings) - (25-Mar-03)
INHERITANCE OF BEET NECROTIC YELLOW VEIN VIRUS (BNYVV) SYSTEMIC INFECTION IN CROSSES BETWEEN SUGARBEET AND BETA MACROCARPA - (Proceedings)
LEWELLEN, R.T., LIU, H., WINTERMANTEL, W.M., SEARS, J.L. INHERITANCE OF BEET NECROTIC YELLOW VEIN VIRUS (BNYVV) SYSTEMIC INFECTION IN CROSSES BETWEEN SUGARBEET AND BETA MACROCARPA. PROCEEDING OF 66TH CONGRESS INTERNATIONAL INSTITUTE FOR BEET RESEARCH. 2003. p. 149-160.
ISOLATION AND CHARACTERIZATION OF A CARMO-LIKE VIRUS FROM CALIBRACHOA PLANT - (Peer Reviewed Journal) - (20-Sep-02)
INTERACTIONS BETWEEN BNYVV & BSBMV AND THEIR EFFECT ON VIRUS LEVELS IN SUGARBEET. - (Proceedings)
WISLER, G.C., LEWELLEN, R.T., SEARS, J.L., LIU, H., WASSON, J.W., WINTERMANTEL, W.M. INTERACTIONS BETWEEN BNYVV & BSBMV AND THEIR EFFECT ON VIRUS LEVELS IN SUGARBEET. PROCEEDING OF INTERNATIONAL WORKING GROUP ON PLANT VIRUSES WITH FUNGAL VECTORS. 2002. p. 9.
DIFFERENTIATION OF TOMBUSVIRUS STRAINS THAT CAUSE DISEASES OF LETTUCE AND TOMATO IN THE SOUTHWESTERN U.S. - (Peer Reviewed Journal) - (13-Apr-01)

   
 
Last Modified: 05/21/2013
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