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United States Department of Agriculture

Agricultural Research Service

Related Topics

William Patrick Wechter (Pat)
Vegetable Research
Research Plant Pathologist

Phone: (843) 402-5318
Fax: (843) 573-4715
2700 SAVANNAH HWY
CHARLESTON, SC, 29414

Projects
Characterization, Etiology, and Disease Management for Vegetable Crops
Appropriated (D)
  Accession Number: 423023
Developing a Genotyping-by-Sequencing Procedure Based on High Frequency Oligonucleotide-Targeting Active Gene (HFO-TAG) Primers
Specific Cooperative Agreement (S)
  Accession Number: 426455

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
A major QTL associated with Fusarium oxysporum race 1 resistance identified in genetic populations derived from closely related watermelon lines using selective genotyping and genotyping-by-sequencing for SNP discovery - (Peer Reviewed Journal) - (13-Jul-14)
Improvement of grafted watermelon transplant survival as a result of size and starch increases over time caused by rootstock fatty alcohol treatment Part II - (Peer Reviewed Journal) - (02-Jun-14)
First report of bacterial leaf blight on mustard greens (Brassica juncea) caused by pseudomonas cannabina pv. alisalensis in Mississippi Reprint Icon - (Peer Reviewed Journal)
Wechter, W.P., Keinath, A.P., Smith, J.P., Farnham, M.W., Bull, C.T., Schofield, D.A. 2014. First report of bacterial leaf blight on mustard greens (Brassica juncea) caused by pseudomonas cannabina pv. alisalensis in Mississippi. Plant Disease. 98:1151.
Identification and development of multiple disease resistant (fruit rot, powdery mildew) watermelon germplasm - (Abstract Only) - (04-Feb-14)
Usvl-360, a Novel Watermelon Tetraploid Germplasm Line - (Peer Reviewed Journal)
Levi, A., Thies, J.A., Wechter, W.P., Farnham, M.W., Weng, Y., Hassel, R. 2013. USVL-360, a novel watermelon tetraploid germplasm line. HortScience. 49:354-357.
Gene sequences present in Citrullus sp. having been lost during domestication of watermelon - (Abstract Only)
Levi, A., Wechter, W.P., Massey, L.M., Donahoo, R.S., Jarret, R.L., Nimmakayala, P., Reddy, U.K., Fei, Z. 2014. Gene sequences present in Citrullus sp. having been lost during domestication of watermelon. Molecular Breeding. P450.
Comparative genomics of multiple strains of Pseudomonas cannabina pv. alisalensis, a potential model pathogen of both Monocots and Dicots - (Peer Reviewed Journal)
Sarris, P.F., Trantas, E.A., Baltras, D.A., Bull, C.T., Wechter, W.P., Yan, S., Ververidis, F., Almeida, N.F., Jones, C.D., Dangl, J.L., Panopoulos, N.J., Vinatzer, B.A., Goumas, D.E. 2013. Comparative genomics of multiple strains of Pseudomonas cannabina pv. alisalensis, a potential model pathogen of both Monocots and Dicots. PLoS One. 8(3):1-16.
Resistance to Phytophthora fruit rot of watermelon caused by Phytophthora capsici in U.S. Plant Introductions (PI) - (Peer Reviewed Journal)
Kousik, C.S., Ikerd, J.L., Wechter, W.P., Harrison Jr, H.F., Levi, A. 2012. Resistance to Phytophthora fruit rot of watermelon caused by Phytophthora capsici in U.S. Plant Introductions (PI). HortScience. 47(12):1682-1689.
"Light-tagged" bacteriophage as a diagnostic tool for the detection of phytopathogens - (Peer Reviewed Journal)
Schofield, D., Bull, C.T., Rubio-Salazar, I., Wechter, W.P., Westwater, C., Molineux, I.R. 2013. "Light-tagged" bacteriophage as a diagnostic tool for the detection of phytopathogens. Bioengineered. 4:1-5.
Expression of leaf blight resistance in Brassica leafy greens under field conditions and inheritance of resistance in a Brassica juncea source - (Peer Reviewed Journal)
Wechter, W.P., Keinath, A.P., McMillan, M.L., Smith, P., Farnham, M.W. 2013. Expression of leaf blight resistance in Brassica leafy greens under field conditions and inheritance of resistance in a Brassica juncea source. Plant Disease. 97:131-137.
Comparative genomics of plant-associated Pseudomonas spp.: Insights into diversity and inheritance of traits involved in multitrophic interactions - (Peer Reviewed Journal)
Loper, J.E., Hassan, K.A., Mavrodi, D., Davis, E.W., Lim, C., Shaffer, B.T., Elbourne, L.H., Stockwell, V.O., Hartney, S.L., Breakwell, K., Henkels, M.D., Tetu, S.G., Rangel, L.I., Kidarsa, T.A., Wilson, N.L., Van Mortel, J., Song, C., Blumhagen, R., Radune, D., Hostetler, J.B., Brinkac, L.M., Durkin, A., Kluepfel, D.A., Wechter, W.P., Anderson, A.J., Kim, Y., Pierson Iii, L.S., Pierson, E.A., Lindow, S.E., Raaijmakers, J.M., Weller, D.M., Thomashow, L.S., Allen, A.E., Paulsen, I.I. 2012. Comparative genomics of plant-associated Pseudomonas spp.: Insights into diversity and inheritance of traits involved in multitrophic interactions. PLoS Genetics. 8(7):e1002784.
Three improved Citrullus lanatus var. citroides lines USVL246-FR2, USVL252-FR2, and USVL335-FR2, with resistance to Fusarium oxysporum f. sp. niveum race 2 - (Abstract Only)
Wechter, W.P., Kousik, C.S., Mcmillan, M.L., Farnham, M.W., Levi, A. 2012. Three improved Citrullus lanatus var. citroides lines USVL246-FR2, USVL252-FR2, and USVL335-FR2, with resistance to Fusarium oxysporum f. sp. niveum race 2. Phytopathology. 102:S4.133.
Exploiting genetic diversity in Citrullus spp. to enhance watermelon cultivars - (Proceedings)
Levi, A., Thies, J.A., Wechter, W.P., Kousik, C.S., Ling, K., Harrison Jr, H.F., Simmons, A.M., Reddy, U.K., Nimmakayala, P., Fei, Z. 2012. Exploiting genetic diversity in Citrullus spp. to enhance watermelon cultivars. Acta Horticulturae. Pp. 41-48.
High frequency oligonucleotides – targeting active gene (HFO-TAG) markers reveal wide genetic diversity among Citrullus spp. accessions useful for enhancing disease or pest resistance in watermelon cultivars - (Peer Reviewed Journal)
Levi, A., Thies, J.A., Wechter, W.P., Harrison Jr, H.F., Simmons, A.M., Reddy, U., Nimmakayala, P., Fei, Z. 2012. High frequency oligonucleotides – targeting active gene (HFO-TAG) markers reveal wide genetic diversity among Citrullus spp. accessions useful for enhancing disease or pest resistance in watermelon cultivars. Genetic Resources and Crop Evolution. 60:427-440.
Deep sequencing of small RNAs in tomato for virus and viroid identification and strain differentiation - (Peer Reviewed Journal)
Li, R., Shan, G., Hernamdez, A.G., Wechter, W.P., Fei, Z., Ling, K. 2012. Deep sequencing of small RNAs in tomato for virus and viroid identification and strain differentiation. PLoS One. 7(5):e37127.
Soil solarization and biological control for managing Mesocriconema xenoplax and Short Life in a newly established peach orchard - (Peer Reviewed Journal)
Nyczepir, A.P., Kluepfel, D.A., Waldrop, V., Wechter, W.P. 2012. Soil solarization and biological control for managing Mesocriconema xenoplax and Short Life in a newly established peach orchard. Plant Disease. 96:1309-1314.
Development of an engineered ‘bioluminescent’ reporter phage for the detection of bacterial blight of crucifers - (Peer Reviewed Journal)
Schofield, D.A., Bull, C.T., Rubio, I., Wechter, W.P., Westwater, C., Molineux, I.J. 2012. Development of an engineered ‘bioluminescent’ reporter phage for the detection of bacterial blight of crucifers. Applied and Environmental Microbiology. 78:3592-3598.
Inhibition of bacterial, fungal and plant growth by testa extracts of Citrullus genotypes - (Peer Reviewed Journal)
Harrison Jr, H.F., Wechter, W.P., Kousik, C.S. 2012. Inhibition of bacterial, fungal and plant growth by testa extracts of Citrullus genotypes. HortScience. 47:448-451.
Novel primers for detection of genetically diverse virulent Agrobacterium tumefaciens bv1 strains Reprint Icon - (Peer Reviewed Journal)
Yakabe, L.E., Maccree, M.M., Sudarshana, P., Mcclean, A.E., Parker, S.R., Wechter, W.P., Presting, G., Kluepfel, D.A. 2012. Novel primers for detection of genetically diverse virulent Agrobacterium tumefaciens bv1 strains. Journal of General Plant Pathology. DOI: 10.1007/s10327-012-0364-z.
Identification of resistance to fusarium oxysporum f. sp. niveum Race 2 in citrullus lanatus var. citroides plant introductions - (Peer Reviewed Journal)
Wechter, W.P., Kousik, C.S., Mcmillan, M.L., Levi, A. 2012. Identification of resistance to fusarium oxysporum f. sp. niveum Race 2 in citrullus lanatus var. citroides plant introductions. HortScience. 47(3):334-338.
Genetic Diversity among Watermelon Citrullus spp. Accessions Based on HFO-TAG Markers - (Abstract Only) - (24-Dec-11)
Exploiting the small RNA deep sequencing technology for identification of viruses and viroids in plants - (Abstract Only)
Ling, K., Li, R., Wechter, W.P., Hernamdez, A.G., Fei, Z. 2011. Exploiting the small RNA deep sequencing technology for identification of viruses and viroids in plants. Meeting Abstract. p 31.
Using Small RNA Technology to Efficiently Identify Tomato Viruses and Viroids in Mixed-Infected Field Samples Reprint Icon - (Proceedings)
Ling, K., Li, R., Wechter, W.P., Hernamdez, A.G., Fei, Z. 2011. Using Small RNA Technology to Efficiently Identify Tomato Viruses and Viroids in Mixed-Infected Field Samples. 26th Annual Tomato Disease Workshop. p 22.
Development of a real-time RT-PCR assay for squash mosaic virus useful for broad spectrum detection of various serotypes and its incorporation into a multiplex seed health assay - (Peer Reviewed Journal)
Ling, K., Wechter, W.P., Walcott, R.R., Keinath, A.P. 2011. Development of a real-time RT-PCR assay for squash mosaic virus useful for broad spectrum detection of various serotypes and its incorporation into a multiplex seed health assay. Journal of Phytopathology. 159:649-656.
Deep Sequencing of Small RNAs for Virus and Viroid Identification in Tomatoes - (Abstract Only)
Ling, K., Fei, Z., Wechter, W.P., Hernamdez, A.G. 2011. Deep Sequencing of Small RNAs for Virus and Viroid Identification in Tomatoes. Phytopathology. 101:S106.
Field evaluation of leaf blight-resistant plant introductions of Brassica Juncea and Brassica Rapa and elucidation of inheritance of resistance - (Abstract Only)
Wechter, W.P., Keinath, A.P., Smith, P., Farnham, M.W. 2011. Field evaluation of leaf blight-resistant plant introductions of Brassica Juncea and Brassica Rapa and elucidation of inheritance of resistance. Phytopathology. 101:S189.
Genetic Linkage Map of Citrullus lanatus var. Citroides Chromosomal Segments Introgressed into the Watermelon Cultivar Crimson Sweet (Citrullus lanatus var. lanatus) Genome - (Peer Reviewed Journal)
Levi, A., Wechter, W.P., Massey, L.M., Carter, L., Hopkins, D. 2011. Genetic Linkage Map of Citrullus lanatus var. Citroides Chromosomal Segments Introgressed into the Watermelon Cultivar Crimson Sweet (Citrullus lanatus var. lanatus) Genome. American Journal of Plant Sciences. 2:93-110.
Field evaluation of brassica lines for resistance to bacterial blight in Charleston, South Carolina, 2010 - (Research Notes)
Keinath, A.P., Farnham, M.W., Wechter, W.P. 2011. Field evaluation of brassica lines for resistance to bacterial blight in Charleston, South Carolina, 2010. Plant Disease Management Reports. 5:V082.
Sequencing the Genome of the Heirloom Watermelon Cultivar Charleston Gray - (Abstract Only)
Levi, A., Hernandez, A., Thimmapuram, J., Donthu, R., Wright, C., Ali, C., Wechter, W.P., Reddy, U., Mikel, M. 2011. Sequencing the Genome of the Heirloom Watermelon Cultivar Charleston Gray. Plant and Animal Genome Conference. P047.
Genetic mapping of Chromosomal Segments introgressed in Cultivated Watermelon Genome - (Proceedings)
Levi, A., Wechter, W.P., Ling, K., Thies, J.A., Hopkins, D. 2010. Genetic mapping of Chromosomal Segments introgressed in Cultivated Watermelon Genome. Cucurbitaceae Proceedings. p. 50-54.
Identification of resistance to Acidovorax avenae subsp. citrulli among melon (Cucumis spp.) Plant Introductions - (Peer Reviewed Journal)
Wechter, W.P., Levi, A., Ling, K., Kousik, C.S., Block, C.C. 2011. Identification of resistance to Acidovorax avenae subsp. citrulli among melon (Cucumis spp.) Plant Introductions. HortScience. 46(2):207-212.
Identification of Resistance to Acidovorax avenae subsp. citrulli among Melon (Cucumis spp.) Plant Introductions - (Proceedings)
Wechter, W.P., Ling, K., Kousik, C.S., Levi, A., Block, C.C. 2010. Identification of Resistance to Acidovorax avenae subsp. citrulli among Melon (Cucumis spp.) Plant Introductions. Cucurbitaceae Proceedings. p. 145-147.
Employing Phylogenetic and Population Structure Analyses to Identify Potential Rootstock Resources for Grafted Watermelon - (Proceedings)
Levi, A., Thies, J.A., Wechter, W.P., Kousik, C.S., Hassell, R., Reddy, U. 2010. Employing Phylogenetic and Population Structure Analyses to Identify Potential Rootstock Resources for Grafted Watermelon. Cucurbitaceae Proceedings. p. 55-58.
Watermelon in: Genetics, genomics and breeding of cucurbits - (Book / Chapter)
Levi, A., Wechter, W.P., Thies, J.A., Ling, K., Reddy, U.K., Xu, Y., Guo, S., Zhang, X. 2012. Watermelon In Wang, Y, H., Dehdra, T. K., and Kole, C. (eds) Genetics, genomics and breeding of cucurbits. 1st edition. CRC Press. Taylor & Francis Group, New York, NY. Pp. 309-334.
An Improved Real-Time PCR System for Broad-Spectrum Detection of Didymella bryoniae, the Causal Agent of Gummy Stem Blight of Cucurbits - (Peer Reviewed Journal)
Ling, K., Wechter, W.P., Somai, B.M., Walcott, R.R., Keinath, A.P. 2010. An Improved Real-Time PCR System for Broad-Spectrum Detection of Didymella bryoniae, the Causal Agent of Gummy Stem Blight of Cucurbits. Seed Science and Technology. 38:692-703
A Glance at Microsatellite Motifs from 454 Sequencing Reads of Watermelon Genomic DNA - (Proceedings)
Nimmakayala, P., Levi, A., Ponniah, S., Tomason, Y., Nepal, N., Wechter, W.P., Reddy, U. 2010. A Glance at Microsatellite Motifs from 454 Sequencing Reads of Watermelon Genomic DNA. Cucurbitaceae Proceedings. p. 91-94. Thies, J.A., Kousik, C., and Levi, A. (Eds).
Genomic Diversity of Biocontrol Strains of Pseudomonas spp. Isolated from Aerial or Root Surfaces of Plants - (Abstract Only)
Loper, J.E., Davis, E.W., Lim, K., Hassan, K., Wilson, N., Hartney, S., Shaffer, B.T., Stockwell, V., Henkels, M.D., Shen, K., Blumhagen, R.Z., Mavrodi, D., Van Mortel, J., Song, C., Radune, D., Hostetler, J., Kluepfel, D.A., Wechter, W.P., Anderson, A., Young, C., Pierson, L., Pierson, E., Lindow, S., Raaijmakers, J., Weller, D.M., Thomashow, L.S., Allen, A., Paulsen, I. 2010. Genomic diversity of biocontrol strains of Pseudomonas spp. isolated from aerial or root surfaces of plants. International Symposium on Microbiology of Aerial Plant Surfaces Program Book. p.43.
High-frequency Oligonucleotides in Watermelon Expressed Sequenced Tag-unigenes Are Useful in Producing Polymorphic Polymerase Chain Reaction Markers among Watermelon Genotypes - (Peer Reviewed Journal)
Levi, A., Wechter, W.P., Harris-Shultz, K.R., Davis, A.R., Fie, Z. 2010. High-frequency Oligonucleotides in Watermelon Expressed Sequenced Tag-unigenes Are Useful in Producing Polymorphic Polymerase Chain Reaction Markers among Watermelon Genotypes. Journal of the American Society for Horticultural Science. 135(4):369-378.
DNA markers and pollen morphology reveal that Praecitrullus fistulosus is more closely related to Benincasa hispida than to Citrullus spp. - (Peer Reviewed Journal)
Levi, A., Harris-Shultz, K.R., Wechter, W.P., Kousik, C.S., Thies, J.A. 2010. DNA markers and pollen morphology reveal that Praecitrullus fistulosus is more closely related to Benincasa hispida than to Citrullus spp. Genetic Resources and Crop Evolution. 57:1191-1205.
Linkage Mapping of NBS-LRR Disease Resistance Gene Analogs in Watermelon - (Abstract Only)
Harris-Shultz, K.R., Wechter, W.P., Levi, A. 2010. Linkage Mapping of NBS-LRR Disease Resistance Gene Analogs in Watermelon. HortScience. 45:510.
Phylogenetic Relationships Among Cucurbit Species Used as Rootstocks for Grafting Watermelon - (Abstract Only)
Levi, A., Thies, J.A., Ling, K., Simmons, A.M., Kousik, C.S., Wechter, W.P., Hassell, R. 2010. Phylogenetic Relationships Among Cucurbit Species Used as Rootstocks for Grafting Watermelon. HortScience. 45:509.
First Report of Bacterial Leaf Blight on Broccoli and Cabbage Caused by Pseudomonas syringae pv. alisalensis in South Carolina - (Peer Reviewed Journal)
Wechter, W.P., Keinath, A.P., Farnham, M.W., Smith, J.P. 2010. First Report of Bacterial Leaf Blight on Broccoli and Cabbage Caused by Pseudomonas syringae pv. alisalensis in South Carolina. Plant Disease. 94:132.
Identification and Utility of Markers Linked to the Zucchini Yellow Mosaic Virus Resistance Gene in Watermelon - (Proceedings)
Harris, K.R., Ling, K., Levi, A., Wechter, W.P. 2010. Identification and Utility of Markers Linked to the Zucchini Yellow Mosaic Virus Resistance Gene in Watermelon . Plant and Animal Genome Conference Proceedings. January 9-13, 2010, P-215.
Oligonucleotides that Exist in High Frequency in EST-unigenes are Useful in Producing Polymorphism among Watermelon Genotypes - (Abstract Only)
Levi, A., Wechter, W.P., Harris, K.R., Davis, A.R., Fei, Z. 2010. Oligonucleotides that Exist in High Frequency in EST-unigenes are Useful in Producing Polymorphism among Watermelon Genotypes. Plant and Animal Genome Conference. January 9-13, 2010, P-204.
Isolation and genetic mapping of NBS-LRR disease resistance gene analogs in watermelon - (Abstract Only)
Harris, K.R., Wechter, W.P., Levi, A. 2010. Isolation and genetic mapping of NBS-LRR disease resistance gene analogs in watermelon. Plant and Animal Genome XVIII Conference, January 9-13, 2010, San Diego, CA.
Isolation, Sequence Analysis, and Linkage Mapping of NBS-LRR Disease Resistance Gene Analogs in Watermelon Reprint Icon - (Peer Reviewed Journal)
Harris, K.R., Wechter, W.P., Levi, A. 2009. Isolation, Sequence Analysis, and Linkage Mapping of NBS-LRR Disease Resistance Gene Analogs in Watermelon. Journal of the American Society for Horticultural Science. 134:649-657.
Identification and Utility of Markers Linked to the Zucchini Yellow Mosaic Virus Resistance Gene in Watermelon Reprint Icon - (Peer Reviewed Journal)
Harris, K.R., Ling, K., Levi, A., Wechter, W.P. 2009. Identification and Utility of Markers Linked to the Zucchini Yellow Mosaic Virus Resistance Gene in Watermelon. Journal of the American Society for Horticultural Science. 134:529-534.
Markers Linked to the ZYMV-FL Resistance Gene and Their Use in Marker-assisted Selection in Watermelon - (Abstract Only)
Harris-Shultz, K.R., Ling, K., Meyer, J.D., Levi, A., Wechter, W.P., Havey, M.J., Guner, N., Wehner, T. 2009. Markers Linked to the ZYMV-FL Resistance Gene and Their Use in Marker-assisted Selection in Watermelon. HortScience. 44:576.
Simultaneous Detection of Acidovorax Avenae Subsp. Citrulli and Didymella Bryoniae in Cucurbit Seedlots Using Magnetic Capture Hybridization and Real-Time Polymerase Chain Reaction Reprint Icon - (Peer Reviewed Journal)
Ha, Y., Fessehaie, A., Ling, K., Wechter, W.P., Keinath, A.P., Walcott, R.R. 2009. Simultaneous Detection of Acidovorax Avenae Subsp. Citrulli and Didymella Bryoniae in Cucurbit Seedlots Using Magnetic Capture Hybridization and Real-Time Polymerase Chain Reaction. Phytopathology. 99:666-678.
Pseudomonas Gene Expression During Growth in the Rhizosphere - (Abstract Only)
Gonzalez, E.T., Wechter, W.P., Kluepfel, D.A. 2008. Pseudomonas gene expression during growth in the rhizosphere. Phytopathology. 98 (6 supplements):S191
Est-Pcr Markers Representing Watermelon Fruit Genes Are Polymorphic among Watermelon Heirloom Cultivars Sharing a Narrow Genetic Base Reprint Icon - (Peer Reviewed Journal)
Levi, A., Wechter, W.P., Davis, A.R. 2009. EST-PCR Markers Representing Watermelon Fruit Genes are Polymorphic among Watermelon Heirloom Cultivars Sharing a Narrow Genetic Base. Plant Genetic Resources. 7:16-32.
Caffeoylquinic Acids in Storage Roots of Sixteen Sweetpotato Genotypes - (Peer Reviewed Journal)
Harrison Jr, H.F., Mitchell, T.R., Peterson, J.K., Wechter, W.P., Majetich, G.R. 2008. Caffeoylquinic Acids in Storage Roots of Sixteen Sweetpotato Genotypes. Journal American Society Hortscience. 133(4):492-500.
In Search of Markers Linked to Fusarium Wilt Race 1 Resistance in Watermelon - (Abstract Only)
Harris, K.R., Wechter, W.P., Lanini, B., Vivoda, E., Levi, A. 2008. In Search of Markers Linked to Fusarium Wilt Race 1 Resistance in Watermelon. HortScience. 43(4):1238.
Gene expression in developing watermelon fruit - (Peer Reviewed Journal)
Wechter, W.P., Levi, A., Harris-Shultz, K.R., Davis, A.R., Fei, Z.J., Katzir, N., Giovannoni, J.J., Salman-Minkov, A., Hernandez, A., Thimmapuram, J., Tadmor, Y., Portnoy, V., Trebitsh, T. 2008. Gene expression in developing watermelon fruit. Biomed Central (BMC) Genomics. 9:275-282.
Development of a multiplex real-time PCR assay for the simultaneous detection of three seedborne pathogen types in cucurbits - (Abstract Only)
Ling, K., Wechter, W.P., Walcott, R.R., Keinath, A.P. 2008. Development of a multiplex real-time PCR assay for the simultaneous detection of three seedborne pathogen types in cucurbits. Phytopathology. 98(6 supplement):S91.
Development of an improved real-time PCR system for broad spectrum detection of diverse didymella bryoniae genotypes - (Abstract Only)
Ling, K., Wechter, W.P., Somai, B.M., Walcott, R.R., Keinath, A.P. 2008. Development of an improved real-time PCR system for broad spectrum detection of diverse didymella bryoniae genotypes. Phytopathology. 98(6 supplement):S91.
Involvement of sensor kinase gene (skrp 1122) for biocontrol activity by Pseudomonas synxantha BG33R - (Abstract Only)
Fang, G.C., Waldrop, V., Wechter, W.P., Kluepfel, D.A. 2008. Involvement of sensor kinase gene (skrp 1122) for biocontrol activity by Pseudomonas synxantha BG33R. Phytopathology. 98 (6 supplements):S52. . American Phytopathological Society Annual Meeting.
Impact of Pseudomonas-based biocontrol agents and solarization on Mesocriconema xenoplax populations and tree survival in a peach tree short life site - (Abstract Only)
Nyczepir, A.P., Kluepfel, D.A., Wechter, W.P. 2008. Impact of Pseudomonas-based biocontrol agents and solarization on Mesocriconema xenoplax populations and tree survival in a peach tree short life site [abstract]. International Congress of Nematology. 5:299.
First Report of Severe Outbreaks of Bacterial Leaf Spot of Leafy Brassica Greens Caused by Xanthomonas Campestris pv. Campestris in South Carolina - (Peer Reviewed Journal)
Wechter, W.P., Keinath, A.P., Smith, J.P., Farnham, M.W. 2008. First Report of Severe Outbreaks of Bacterial Leaf Spot of Leafy Brassica Greens Caused by Xanthomonas Campestris pv. Campestris in South Carolina. Plant Disease. 92:1134.
Potential Sources of Resistance to Cucurbit Powdery Mildew in US Plant Introductions (PI) of Lagenaria Siceraria (bottle gourd) - (Peer Reviewed Journal)
Kousik, C.S., Levi, A., Ling, K., Wechter, W.P. 2008. Potential Sources of Resistance to Cucurbit Powdery Mildew in US Plant Introductions (PI) of Lagenaria Siceraria (bottle gourd). HortScience. 43(5):1359-1364
Expression and Polymorphism of Watermelon Fruit ESTs - (Proceedings)
Levi, A., Wechter, W.P., Harris, K.R., Davis, A.R., Zhangiun, F., Giovannoni, J.J., Trebitsh, T., Salman, A., Hernandez, A., Thimmapuram, J., Tadmor, Y., Portnoy, V., Katzir, N. 2008. Expression and Polymorphism of Watermelon Fruit ESTs. Acta Horticulturae. P257-262. In: M. Pitrat (ed.). Proceddings of the IX EUCARPIA Meetings on Genetics and Breeding of Cucurbitaceae. INRA.
Content and Potential Biological Activity of Dicaffeoylquinic Acids in Sweetpotato Storage Roots - (Abstract Only)
Harrison Jr, H.F., Mitchell, T.R., Peterson, J.K., Snook, M.E., Wechter, W.P. 2007. Content and Potential Biological Activity of Dicaffeoylquinic Acids in Sweetpotato Storage Roots. HortScience. 42(3):452.
A Broad-Spectrum Antagonistic Activity of the Biocontrol Agent Pseudomonas Synxantha Bg33r - (Abstract Only)
Fang, G.C., Wechter, W.P., Kluepfel, D.A. 2007. A BROAD-SPECTRUM ANTAGONISTIC ACTIVITY OF THE BIOCONTROL AGENT PSEUDOMONAS SYNXANTHA BG33R. American Phytopathological Society Abstracts.
Development of a One-Step Immunocapture Real-Time TaqMan RT-PCR Assay for the Broad Spectrum Detection of Pepino Mosaic Virus - (Peer Reviewed Journal)
Ling, K., Wechter, W.P., Jordan, R.L. 2007. Development of a One-Step Immunocapture Real-Time TaqMan RT-PCR Assay for the Broad Spectrum Detection of Pepino Mosaic Virus. Journal of Virological Methods 144:65-72.
Interspecific Transferability of Watermelon EST-SSR Markers in Cucurbit Species - (Abstract Only)
Levi, A., Wechter, W.P., Davis, A.R., Katzir, N., Tadmor, K., Ling, K., Reddy, U. 2007. Interspecific Transferability of Watermelon EST-SSR Markers in Cucurbit Species. HortScience. 42:1012.
Microarray-Based Analysis of Gene Modulation During Watermelon Fruit Development - (Abstract Only)
Wechter, W.P., Levi, A., Davis, A.R., Fei, Z., Hernandez, A., Thimmapuram, J., Dang, P.M., Katzir, N., Tadmor, K., Giovannoni, J.J. 2007. Microarray-Based Analysis of Gene Modulation During Watermelon Fruit Development. HortScience. 42:447.
Microarray analysis: Uses and Limitations - (Abstract Only)
Wechter, W.P., Levi, A., Kluepfel, D.A., Gonzalez, E.T., Presting, G. 2007. Microarray Analysis: Uses and Limitations. HortScience. 42:477.
Comparative High-Density Microarray Analysis of Gene Expression During Growth of Lactobacillus Helveticus in Milk Vs. Rich Culture Medium - (Peer Reviewed Journal)
Smeianov, V.V., Wechter, W.P., Broadbent, J.R., Hughes, J.E., Rodriguez, B., Steele, J.L. 2007. Comparative High-Density Microarray Analysis of Gene Expression During Growth of Lactobacillus Helveticus in Milk vs. Rich Culture Medium. Applied and Environmental Microbiology, 73:2661-2672.
Identification of Resistance to Peppery Leaf Spot among Brassica Juncea and Brassica Rapa Plant Introductions - (Peer Reviewed Journal)
Wechter, W.P., Farnham, M.W., Smith, J.P., Keinath, A.P. 2007. Identification of Resistance to Peppery Leaf Spot among Brassica Juncea and Brassica Rapa Plant Introductions. HortScience. 42:1140-1143.
Content and potential biological activity of dicaffeoylquinic acids in sweetpotato storage roots - (Abstract Only)
Harrison Jr, H.F., Mitchell, T.R., Peterson, J.K., Snook, M.E., Wechter, W.P. 2007. Content and potential biological activity of dicaffeoylquinic acids in sweetpotato storage roots. HortScience. National Sweetpotato Collaborators Progress Report. Page 7.
Evaluation of Actigard and Kocide to Manage Bacterial Leaf Spots on Turnip Greens, 2006 - (Research Notes)
Keinath, A.P., Dubose, V.B., May Iii, W.H., Wechter, W.P. 2007. Evaluation of Actigard and Kocide to Manage Bacterial Leaf Spots on Turnip Greens, 2006. Plant Disease Management Reports. (online). Report 1:V103. DOI: 10.1094/PDMR01. The American Phytopathological Society, St Paul, MN.
Evaluation of Biopesticides to Manage Bacterial Leaf Spots on Turnip Greens, 2006 - (Research Notes)
Keinath, A.P., Dubose, V.B., May Iii, W.H., Wechter, W.P. 2007. Evaluation of Biopesticides to Manage Bacterial Leaf Spots on Turnip Greens, 2006. Plant Disease Management Reports (Online). Report 1:V104. DOI: 10.1094/PDMR01. The American Phytopathological Society, St Paul, MN.
Differential Expression of Genes in Watermelon Fruit - (Abstract Only)
Levi, A., Wechter, W.P., Davis, A.R., Hernandez, A., Thimmapuram, J., Katzir, N., Tadmor, K., Trebitsh, T., Dang, P.M. 2007. Expression of EST-Unigenes in Watermelon Fruit. Plant and Animal Genomes XV Conference. pp27.
A Search for Peppery Leaf Spot Resistance in Brassica Juncea Germplasm - (Abstract Only)
Wechter, W.P., Keinath, A.P., Smith, J.P., Farnham, M.W. 2006. A Search for Peppery Leaf Spot Resistance in Brassica Juncea Germplasm. Proceedings of the 15th Crucifer Genetics Workshop: Brassica 2006. 30 Sep-4 Oct 2006. Wageningen, The Netherlands. p 126.
Genes Expressed during Development and Ripening of Watermelon Fruit - (Proceedings)
Levi, A., Wechter, W.P., Davis, A.R., Hernandez, A., Thimmapuram, J. 2006. Genes expressed during development and ripening of watermelon fruit. Cucurbitaceae Proceeding. pgs 125-132.
Comparative genomics of the lactic acid bacteria Reprint Icon - (Peer Reviewed Journal)
Makarova, K., Slesarev, A., Wolf, Y., Sorokin, A., Mirkin, B., Koonin, E., Pavlov, A., Pavlova, N., Karamychev, V., Polouchine, N., Shakhova, V., Grigoriev, I., Lou, Y., Rohksar, D., Lucas, S., Huang, K., Goodstein, D.M., Hawkins, T., Plengvidhya, V., Welker, D., Hughes, J., Goh, Y., Benson, A., Baldwin, K., Lee, J.H., Perez Diaz, I.M., Dosti, B., Smeianov, V., Wechter, W.P., Barabote, R., Lorca, G., Altermann, E., Barrangou, R., Ganesan, B., Xie, Y., Rawsthorne, H., Tamir, D., Parker, C., Breidt, F., Broadbent, J., Hutkins, R., O'Sullivan, D., Steele, J., Unlu, G., Saier, M., Klaenhammer, T., Richardson, P., Kozyavkin, S., Weimer, B., Mills, D. 2006. Comparative genomics of the lactic acid bacteria. Proceedings of the National Academy of Sciences. 103(42):15611-15616.
Characterization of the Bacterial Leaf Spot Pathogen Pseudomonas Syringae Pv Maculicola from Field Outbreaks in South Carolina - (Abstract Only)
Wechter, W.P., Keinath, A.P., Smith, J.P. 2006. Characterization of the bacterial leaf spot pathogen Pseudomonas syringae pv maculicola from field outbreaks in South Carolina. Phytopathology 96:S121.
Genes Expressed During the Development and Ripening of Watermelon Fruit - (Peer Reviewed Journal)
Levi, A., Davis, A.R., Hernandez, A., Wechter, W.P., Thimmapuram, J. 2006. Genes Expressed during the Development and Ripening of Watermelon Fruit. Plant Cell Reports 25:1233-1245.
First Report of Bacterial Leaf Spot on Leafy Brassica Greens Caused by Pseudomonas Syringae Pv. Maculicola in South Carolina - (Peer Reviewed Journal)
Keinath, A., Wechter, W.P., Smith, J. 2006. First report of bacterial leaf spot on leafy Brassica greens caused by Pseudomonas syringae pv. maculicola in South Carolina. Plant Disease. 90:683.
Developing and Mapping Expressed Sequenced Tags (Ests) for Watermelon Fruit - (Abstract Only)
Levi, A., Davis, A.R., Wechter, W.P., Hernandez, A. 2006. Developing expressed sequenced tags (ESTs) for watermelon fruit. HortScience. 40(3):518-519.
Effect of Actigard on Xanthomonas Leaf Spot on Rape Greens, 2005 - (Research Notes)
Keinath, A.P., Dubose, V.B., May, W.H., Wechter, W.P. 2006. Effect of Actigard on Xanthomonas leaf spot on rape greens, 2005. Fungicide and Nematocide Tests. 61:V058.
Development and Characterization of Diagnostic Aflp Markers in Prunus Persica for Its Response to Peach Tree Short-Life Syndrome - (Peer Reviewed Journal)
Blenda, A., Wechter, W.P., Reighard, G., Baird, W., Abbott, A. 2006. Development and characterization of diagnostic AFLP markers in prunus persica for its response to peach tree short-life syndrome. Journal of Horticultural Science and Biotechnology. 81:291-288.
Sequence Analysis of Cdna Clones Associated with Watermelon Fruit Development - (Research Notes)
Levi, A., Davis, A.R., Hernandez, A., Wechter, W.P., Thimmapuram, J. 2006. Sequence Analysis of CDNA Clones Associated with Watermelon Fruit Development. National Center for Biotechnology Information (NCBI). http://www.ncbi.nlm.nih.gov/entrez
Developing and Mapping of Ests for Watermelon - (Abstract Only)
Levi, A., Davis, A.R., Hernandez, A., Wechter, W.P., Trebitsh, T. 2006. Developing and mapping of ESTS for watermelon [abstract]. Plant and Animal Genome Conference Proceedings. P25.
Comparative High-Density Microarray Analysis of Gene Expression During Growth of Lactobacillus Helveticus in Milk Vs. Rich Medium. - (Proceedings)
Steele, J.L., Smeianov, V.V., Wechter, W.P., Rodriguez, B.T., Hughes, J.E., Broadbent, J.R. 2005. Comparative high-density microarray analysis of gene expression during growth of lactobacillus helveticus in milk vs. rich medium.. Symposium on Lactic Acid Bacteria Genetics Metabolism and Applications. FEMS Eighth Symposium on Lactic Acid Bacteria Abstract, 2005, A-318.
Global Gene Expression of Pseudomonas Putida Kt2440 During Growth in the Rhizosphere of Arabidopsis Thaliana - (Abstract Only)
Wechter, W.P., Kluepfel, D.A. 2005. Global gene expression of Pseudomonas Putida KT2440 during growth in the rhizosphere of Arabidopsis Thaliana [abstract]. Phytopathology 95 (6):S110.
Constructing Cdna Libraries and Developing Ests for Watermelon Fruit - (Proceedings) - (24-Jul-05)
Insertions in the Avirulence Gene Avra Alter the Virulence of Ralstonia Solanacearum on Nicotiana Tabacum. - (Book / Chapter)
Robertson, A.E., Fortnum, B.A., Wechter, W.P., Denny, T.P., Kluepfel, D.A. 2005. Insertions in the avirulence gene avra alter the virulence of Ralstonia solanacearum on Nicotiana tabacum. In: Allen, C., Prior, P., and Hayward, A.C., eds. Bacterial Wilt and the Disease and Ralstonia solanacearum species Complex. St. Paul, MN: APS Press. p 359-364.
ARS News Articles
Last Modified: 11/28/2014
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