Publications

Coomber, A., Saville, A., Martin, M, Carbone, I.  and Ristaino, J. 2024. A Pangenome Analysis of the Evolutionary History of the Phytophthora Ic Clade.  Nat. Acad. Sci. USA :submitted.

Coomber, A., Saville, A. and Ristaino, J. 2024. Evolution of effectors of Phytophthora infestans on its Solanum host since the Irish potato famine. Nature Communications 15:6488.

Shymanovich, T., Saville, S., Paul , R., Wei, A. and J. B. Ristaino. 2024. Microneedle DNA/RNA based extractions and LAMP assays for detection of four tomato pathogens. Phytopathology: accepted First Look   3 Jun 2024

Saeffer, A., Tateosian, L., A., Yang, Y. P., Saville, A., and Ristaino, J. B., 2024. Reconstructing 19th century and modern potato late blight outbreaks using text analytics. Nature Scientific Reports 14:2523.

Pais, A, Ristaino, J. B.,  Whetten, R.,  Xiang, Q.  2024  Metagenomic study reveals hidden relationships among fungal diversity, variation of plant disease, and genetic distance in Cornus florida (Cornaceae). Front Plant Sci. 14:1282188.

Shymanovich T, Saville A, Mohammed, N, Wei, Q., Rasmussen, D, Lahre, K., Rotenberg, D., Whitfield, A., and Ristaino JB. 2024.  Disease progress and detection of the tomato spotted wilt virus resistance breaking strain with LAMP and CRISPR assays. PhytoFrontiers 4:50-60.

Hansel, J. and Ristaino, J. Evaluation of biocontrol agents for management of Phytophthora blight of pepper. Plant Disease:108:1014-24.

Saville, A., McGrath, M, Jones, JC.,  Polo, J.  and Ristaino, J.    2023.  Understanding the genotypic and phenotypic structure and impact of climate on Phytophthora nicotianae outbreaks on potato and tomato in the eastern US. Phytopathology 113:1506-1514.

Coomber, A., Saville, A., Carbone, I. and Ristaino, J. 2023. An open T base phylogeny for emerging Phytophthora species. Plos One: 18(4): e0283540.

Lee, G., Hossain, O. , Jamalzadegan, S., Liu, X.,  Wang,,  Saville, A. C.,  Shymanovich, T.,  Paul, R.,  Rotenberg, D.,  Whitfield, A. E., Ristaino, J. B., Zhu, Y., and Wei, Q. 2022.  Abaxial leaf surface-mounted multimodal wearable sensor for continuous plant physiology monitoring. Science Advances: 9 eade2232.

Hu, C. Govers, F. Carbone, I.  and Ristaino, J. B. .   Migration of Phytophthora infestans between refuse piles, organic and conventional potato fields in Southern Flevoland, The Netherlands.  Potato Res.  1007/s11540-022-09597-2.

Ristaino, J. B. Potatoes, citrus and coffee under threat. Pages 3- 19 in: P. Scott. L. Korsten, R. Strange, M, Lodovica Guilino Plant Diseases and Food Security in the 21st Century, Springer Nature, Switzerland.

Saville, A.C., La Spada, F., Faedda, R, Migheli, Q., Scanu, B, Ermacora, P., Gilard, G., Fedale, G.,  Lenza, N., Rossi, V., Testa, A., Bechir- Allagui, M., Moumni, M.  Dongiovanni, C., Zohra-Rekad, F., Cooke, D. E. L., Pane, A., Cacciola, S. O.,   J. B. 2021.  Population structure of Phytophthora infestans in Italy, Algeria and Tunisia. Plant Pathol. 7: 2165-2178.

Nowicki, M., Hadziabdic-Guerry, D., Trigiano, , Runge, F.,  Thines, M.,  Borgess, S., Ristaino,  J.  and  Spring, O. 2021. Microsatellite markers from Peronospora tabacina, the cause of blue mold of tobacco, reveal species origin, population structure, and high gene flow Microsatellite markers from Peronospora tabacina, the cause of blue mold of tobacco, reveal lack of population structure and high gene flow.  Phytopathology 112:422-434.

Zheng Li, Yuxuan Liu, Oindrila Hossain, Rajesh Paul, Shanshan Yao, Jean B. Ristaino, Yong Zhu, and Qingshan Wei. 2021. Real-Time Monitoring of Plant Stresses via Chemiresistive Profiling of Leaf Volatiles by a Wearable Sensor. Matter 4:P2553-2570.

Paul, R., Ostermann, E., Chen, Y.,  Saville, A. C.,  Yang, Y.,  Gu, Z.,  Whitfield, A. E.  Ristaino, J. B., and Wei. Q. 2021. Integrated Microneedle-Smartphone Nucleic Acid Amplification Platform for In-Field Diagnosis of Plant Diseases.  Biosensors and Bioelectronics 187:113312. https://doi.org/10.1016/j.bios.2021.113312

Saville, A. and Ristaino, J. B. 2021. Global historic pandemics caused by the FAM-1 genotype of Phytophthora infestans one six continents. Nature Scientific Reports 11: 12335. https://doi.org/10.1038/s41598-021-90937-6

Ristaino, J. B, Anderson, P.,  Brauman, K. A.,  Cunniffe, N. J.,  Federoff, N.,  Garrett, K. A., Gilligan, C., Holmes, T., Martin, M., MacDonald, G. K., Neenan, P.,  Records, A.,  Schmale, D., Tateosian, L.  2021. The Persistent Threat of Emerging Plant Diseases to Global Food Security. Proc. National Academy Sciences, USA. https://doi.org/10.1073/pnas.2022239118

McMillan, H. M.,  Zebell, S. G.,  Ristaino, J. B.,  Dong, X. and Kuehn, M. 2021. Protective Plant Immune Responses are Elicited by Bacterial Outer Membrane Vesicles. Cell Host and Microbe. Cell Reports 34:108645.

Paul, R., Ostermann,E., Gu, , Ristaino, J. and Wei, Q. 2020.  DNA Extraction from Plant Leaves Using a Microneedle Patch. Current Protocols in Plant Biology 5, e20104

Ristaino, J. B. 2020. The importance of mycological and plant herbaria in tracking a plant killer. Front. Ecol. Evol.  7:521. doi: 10.3389/fevo.2019.00521

Ristaino, J. B., Saville, A. C., Paul, R., Cooper, D. and Wei, Q. Comparison of LAMP, real-time and Digital PCR for detection of Phytophthora infestans.  Plant Disease: https://doi.org/10.1094/PDIS-06-19-1186-RE

Ristaino, J. B., Cooke, D.E.L., Acuña, I., Muñoz, M. 2018. The Threat of Late Blight to Global Food Security. Pages 101-133 in: Emerging Plant Disease and Global Food Security. A. Records and J. B. Ristaino, eds. American Phytopathological Society Press, St. Paul.

Paul, R., Saville, A. C.,  Hansel, C.,  Ye, Y.,  Ball, C.  Williams, A.,  Chang, X.,  Chen, C., Gu, Z., Ristaino, J. B.,  and Wei, Q. 2019. Extraction of Plant DNA by Microneedle Patch for Rapid Detection of Plant Diseases. ACS Nano 13 6540-6549. DOI: 10.1021/acsnano.9b00193.

Li, Z., Paul, R., Tis, T.  ,  Saville, A. C. , Hansel, J. C., Ristaino, J. B. and Wei, Q.  2019. Noninvasive Plant Disease Diagnostics Enabled by Smartphone-Based Fingerprinting of Leaf Volatiles. Nature Plants 5: 856-866. https://doi.org/10.1038/s41477-019-0476-y.

Saville, A. and Ristaino, J. B.  2019.  Genetic structure and subclonal variation of extant and recent US lineages of Phytophthora infestans. Phytopathology 109:1614-1627  https://doi.org/10.1094/PHYTO-09-18-0357-R.

Alves, T., Tessmann, D, Ivors, K.,  Ristaino, J., and Dos Santos, A. 2019. Phytophthora acaciae sp. nov., a new species causing gummosis of black wattle in Brazil.  Mycologia. DOI: 10.1080/00275514.2019.1575685.

Ristaino, J. B., Schumann, G.L. and C. J. D’Arcy. 2018. Late blight of potato and tomato. The Plant Health Instructor. DOI: 10.1094/PHI-I-2000-0724-01.

Liu, Y., Langemeier, M.R., Small, I.M., Joseph, L., Fry, W.E., Ristaino, J.B., Saville, A., Gramig, B.M., and Preckel, P.V. 2018. A risk analysis of precision agriculture technology to manage tomato late blight. Sustainability doi: 10.3390/su10093108.

Dey, T., Saville, A., Myers, K., Tewari, S., Cooke, D.E.L., Tripathy, S., Fry, W.E., Ristaino, J.B., and Roy, S.G. 2018. Large sub-clonal variation in Phytophthora infestans from recent severe late blight epidemics in India. Scientific Reports doi: 10.1038/s41598-018-22192-1.

Blanco-Meneses, M., Carbone, I., and Ristaino, J.B. 2018. Population structure and migration of the tobacco blue mold pathogen, Peronospora tabacina, into North America and Europe. Molecular Ecology doi: 10.1111/mec.14453.

Saville, A., Charles, M., Chavan, S., Muñoz, M., Gómez-Alpizar, L., and Ristaino, J.B. 2017. Population structure of Pseudocercospora fijiensis in Costa Rica reveals shared haplotype diversity with southeast Asian populations. Phytopathology doi: 10.1094/PHYTO-02-17-0045-R.

Ristaino, J. B. and Pfister, D.   2016. “What a painfully interesting subject”: Charles Darwin’s studies of potato late blight.  Bioscience 62: doi: 10.1093/biosci/biw114.

Saville, A., Martin, M. and  Ristaino, J.  2016. Historic Late Blight Outbreaks Caused by a Widespread Dominant Lineage of Phytophthora infestans (Mont.) de Bary. PLOS ONE DOI: 10.1371/journal.pone.0168381.

Hansen, R. Z., et al.  2016. Genetic variation within Clonal lineages of Phytophthora infestans revealed through Genotype-by-Sequencing and Implications for Late Blight Epidemiology. PLOS ONE. DOI:10.1371/0165690.

Bayles, B. R., Brauman, K. A., Adkins, J. N., Allan, B. F., Ellis, A. M., Goldberg, T. L., Golden, C. D., Grigsby-Toussaint, D. S., Myers, S. S., Osofsky, S. A., Ricketts, T. H., and Ristaino, J. B.  2016.  Ecosystem services connect environmental change to human health outcomes.  EcoHealth DOI: 10.1007/s10393-016-1137-5.

Scott, P., Thomson, J., Grzywacz, D., Savary, S., Strange, R., Ristaino, J. B., Korsten, L.  Genetic modification for disease: a position paper.  Food Sec.  DOI: 10.1007/s12571-016-0591-9.

Alves, T., Tessman, D., Ivors, K., Ristaino, J. B., and Dos Santos, A.  First report of gummosis caused by Phytophthora frigida on black wattle in Brazil.  Plant Dis. 100: doi.org/10.1094/PDIS-01-16-0134-PDN.

Martin, M., Vieira, F. G., Ho,S. Y. W., Wales, N.,Schubert, M., Sequine-Orlando, A. Ristaino, J. B. and Gilbert, T. 2015.  Genomic characterization of a South American Phytophthora hybrid mandates reassessment of the geographic origins of Phytophthora infestans . Mol. Biol. Evol. doi:10.1093/molbev/msv241.

Fry, W. E, Birch, P.R. J.,  Judelson, H. S.,  Grunwald, N. J., Danies, G.,  Everts, K. L.,  Gevens, A. J.,  Gugino, B. K.,  Johnson, D. A.,  Johnson, S. B.,  McGrath, M. T., . Myers, K. L., Ristaino, J. B.,  Roberts, P. D.,  Secor, G.,  Smart, C. D.  Five reasons to consider Phytophthora infestans a reemerging pathogen.  Phytopathology 105: 966-981.

Saville, A, Graham, K., Grünwald, N.J., Myers, K., Fry, W.E., Ristaino, J.B. 2015. Fungicide sensitivity of US genotypes of Phytophthora infestans to six oomycete-targeted compounds. Plant Dis. 99: 659-666.

Danies, G., Myers, K., Mideros, M. F., Restrepo, S., Martin, F. N., Cooke, D. E. L., Smart, C. D., Ristaino, J. B., Seaman, A., Gugino, B., Grünwald, N. J., and Fry, W. E.  2014.  An ephemeral sexual population of Phytophthora infestans in the northeastern United States and Canada.  PLoS ONE 9.  doi: 10.1371/journal.pone.0116354.

Kamoun, S., Furzer, O., Jones, J. D. G., Judelson, H. S., Shad Ali, G., Dalio, R. J. D., Guha Roy, S., Schena, L., Zampounis, A., Panabières, F., Cahill, D., Ruocco, M., Figueiredo, A., Chen, X. R., Hulvey, J., Stam, R., Lamour, K., Gijzen, M., Tyler, B. M., Grünwald, N. J., Tör, M., Shahid Mukhtar, M., Tome, D., Van den Ackerveken, G., McDowell, J., Daayf, F., Fry, W. E., Lindqvist-Kreuze, H., Meijer, H. J. G., Petre, B., Ristaino, J., Yoshida, K., Birch, P., and Govers, F. 2014. The Top 10 oomycete pathogens in molecular plant pathology. Mol. Plant Pathol. 16:413-434 DOI: 10.1111/mpp.12190.

Lassiter, E.S., Russ, C., Nusbaum, C., Zeng, Q., Saville, A.C., Olarte, R.A., Carbone, I., Hu, C.H., Seguin-Orlando, A., Samaniego, J.A., Thorne, J.L., Ristaino, J.B. 2015.  Mitochondrial genome sequences reveal evolutionary relationships of the Phytophthora 1c clade species. Curr. Genet. 61: 567-577 doi: 10.1007/s00294-015-0480-3

Martin, M. D., Ho, S. Y., Wales, N.,  Ristaino, J. B. and Gilbert, M.T.P. 2014. Persistence of the mitochondrial lineage responsible for the Irish potato famine in extant New World Phytophthora infestans. Molecular Biol. Evol. doi: 10.1093/molbev/msu08

Martin, M. D.,  Cappellini, E., Campos, P, Orlando. A. S., Orlando, L., Samaniego, J. A,  Ho, S. Y. W.,  Saville, A. ,  Dietrich, F. S., Mieczkowski, P.,  Heitman, J.,Willerslev, E., Krogh, A.,  Ristaino, J. B., and Gilbert. M. P. T. 2013. Reconstructing genome evolution in historic samples of the Irish potato famine pathogen. Nature. Communications DOI 10:1038/ ncomms1372.

Fry, W. E.,  McGrath, M. T., Seaman, A., Zitter, T. A., McLeod, A., Danies, G.,  Small, I. M., Myers, K.,  Everts, K., Gevens, A. J., Gugino, B.,  Johnson, S. B.,  Judelson, H., Ristaino, J. B., Roberts, P., B.  Secor, G., Seebold, K. W., Jr., Snover-Clift, K. L., Wyenandt, A.,  Grunwald, N. J., Smart, C. D.  2013.  The 2009 Late Blight Pandemic in Eastern USA- causes and results.  Plant Dis. 96: 296-306.

Lee, S.C, Ristaino, J. B. and Heitman, J.  2013.  Parallels in intercellular communication in oomycete and fungal pathogens of  plants and humans.  Plos Pearls 8(12): 1-4. doi:10.1371/journal.ppat.1003028.

Fry, W. E.,  McGrath, M. T.,  Seaman, A., Zitter, T. A. , McLeod, A., Danies, G. ,Small, I.,Myers, K., Everts, K.  Gevens, A., Gugino, B.,  Johnson, K.,  Judelson, H.,  Ristaino, J., Roberts, P., Secor, G.,  Seebold, K.,  Snover-Clift, K., Wyenandt, A.,  Grunwald, N. J., and Smart, C. D.  The 2009 Late Blight Pandemic in Eastern USA.  APSNet Feature August, 2012.

Ristaino, J. B., Hu, C., and Fitt, B.  2012.  Evidence for the presence of the founder Ia mtDNA haplotype of Phytophthora infestans  in 19th century potato tubers from the Rothamsted archives.  Plant Pathol. 62:492-500.

Sikora, K.,  Verstappen, E. Mendes, O., Schoen, C., Ristaino, J. and  Bonants, P.  2012. A Universal Micro-array Detection Method for identification of Multiple Phytophthora Species using Padlock Probes. Phytopathology 102:635-645.

Hu, C. H., Perez, F. G.,  Donahoo, R.,  McLeod, A., Myers, K.,  Ivors, K., Secor, G., Roberts,  P. D., Fry, W. E., Deahl, K. L., and Ristaino. J. B. 2012. Recent genotypes of Phytophthora infestans in eastern USA reveal clonal populations and reappearance of mefenoxam sensitivity. Plant Dis. 96: 1323-1330.

Trigiano, R. N., Wadl, P. A.,  Dean, D., Johnson, D.,  Scheffler, B. E.,  Runge,F., Telle,S., Thines, M.,  Ristaino, J, and Spring, O.. 2012. Ten Polymorphic Microsatellite Loci for Peronospora tabacina, the Cause of Tobacco Blue Mold. Mycologia 104 :633-640.

Forbes, G. A.,  Ristaino, J. B., Oliva, R. F., and Flier, W.  2012.  Letter to the Editor: A rebuttal to the letter to the editor concerning ‘Defining species boundaries in the genus Phytophthora: the case of Phytophthora andina.  Plant Pathology 61:221-223

Ristaino, J. B.  2012. A Lucid Key to the common species of Phytophthora.  Plant Disease 96:897-903.

Nelson, C. and Ristaino, J.  2011.  Tracking the potato late blight pathogen in Ireland, 1846: Reconnecting Irish specimens with the Moore-Berkeley correspondence.  Archives of Natural History 38:356-359.

Robideau, G. P., de Cock, A. W. A. M., Coffey,  M. D., Voglmayr , H.,  Bonants , P. J. M.,  Ristaino, J. B., Chitty, D., Rintoul, T., Désaulniers, N,  Eggertson, Q., Bala, K.,  Gachon , C. M. M.,  Smith, M. L.,  Lévesque. A.  2011 DNA barcoding of oomycetes with cytochrome c oxidase subunit I (COI). Mol. Ecol. Res. 11: 1002-1011.

Blanco, M and Ristaino, J. B.  2011.  Detection and quantification of Peronospora tabacina using a real-time polymerase chain reaction assay.  Plant Dis. 95: 673-682.

Guo, L., Zhu, X., Hu, C. and Ristaino, J. B.  2010.  Genetic structure of Phytophthora infestans populations in China indicates multiple migration events.   Phytopathology 100: 997-1006.

Oliva, R. F., Flier, W., Kroon, L., Ristaino, J. B. and Forbes, G. A.  2010.  Phytophthora andina sp. Nov., a newly identified heterothallic pathogen of Solanaceous hosts in the Andean highlands.  Plant Pathology 59: 613-625.

Haas, B. J., et al.  2009.  Genome sequence and comparative analysis of the Irish potato famine pathogen Phytophthora infestans.  Nature 461:393-398.

Ristaino, J. B and C. Hu.  2009.  DNA Sequence Analysis of the Late Blight-Pathogen Gives Clues to the World-wide Migration  Acta Horticulturae: 834:27-40.

Cafe-Filho, A. C.  and Ristaino J. B.  2008.  Fitness of isolates of Phytophthora capsici insensitive to mefenoxam from squash and pepper fields in North Carolina.  Plant Dis. 92: 1439-1443.

Gomez, L. Hu, C., Olivia, R., Forbes, G.  and Ristaino, J. B.  2008.  Phylogenetic relationships of a new species, Phytophthora andina, from the highlands of Ecuador that is closely related to the Irish Potato famine pathogen Phytophthora infestans. Mycologia 100:590-602.

Ristaino, J. B., Johnson, M., Blanco-Meneses, M., Lui, B. and 2007.  Identification of the Tobacco blue mold pathogen, Peronospora tabacina by PCR.  Plant Dis. 91:685-691.

Liu, B, C. Tu,  Hu, S., Gumpertz, M. L., and  Ristaino, J. B. 2007.   Long-term effects of organic and synthetic soils fertility amendments on soil microbial communities and the development of southern blight.  Soil Biol Biochem. 39:2302-2316.

Gomez, L., Carbone, I., and Ristaino, J. B.  2007.  An Andean origin for Phytophthora infestans inferred from nuclear and mitochondrial DNA sequences.  Proc. Nat. Acad. Sci. 104:3306-3311.

Liu, B, C. Tu,  Hu, S., Gumpertz, M. L., and  Ristaino, J. B. 2007.  Effect of organic, sustainable, and  conventional management strategies in grower fields on soil physical, chemical, and biological factors and the incidence of Southern blight. Appl. Soil Ecol.  37:202-214.

Liu, B.  Gumpertz, M. L.  Hu, S. and. Ristaino, J. B.  2007.   Effect of prior tillage and soil fertility amendments on dispersal of Phytophthora capsici and infection of pepper.  Eur. J. Plant Pathology 120:273-287.

Ristaino, J. and Paul Peterson.  2007.  Effie A. Southworth (1860-1947), First Woman Plant Pathologist Hired at the United States Department of Agriculture. Pioneering Women in Plant Pathology, J. B. Ristaino, ed. APS Press,St PaulMN.

Brady, K., Stamps, J., and Ristaino, J. 2007. Grace Marion Waterhouse, (1906 – 1996), Phytophthora systematist and taxonomist.  Pages 143-153 in: Pioneering Women in Plant Pathology, J. B. Ristaino, ed. APS Press,St PaulMN.

Ristaino, J. B.  2006.  Tracking the evolutionary history of the potato blight pathogen with historical collections. Outlooks in Pest Management 17:228-231.

Avila-Adame, C., Gómez-Alpizar, L.,  Buell, R. C. and Ristaino, J. B. 2006. Mitochondrial genome sequencing of the haplotypes of the Irish Potato famine pathogen, Phytophthora infestans. Curr. Gen. 49:39-46.

Cong Tu, Ristaino, J.B. and Hu,  S.  2005.  Soil microbial biomass and activity in organic tomato farming systems: Effects of organic inputs and straw mulching. Soil Biol. Biochem. 37:1-9.

May, K. J. and Ristaino, J. B.  2004.  Identity of the Mitochondrial DNA Haplotype(s) of Phytophthora infestans in Historical Specimens from the Irish Potato Famine.  Mycol. Res. 108:171-179.

Ristaino, J.B.; 2002. Tracking historic migrations of the Irish potato famine pathogen, Phytophthora infestans. Microbes and Infection. 4:1369-1377

Wangsomboondee, T.; Ristaino, J.B. 2002. Optimization of Sample Size and DNA Extraction Methods to Improve PCR Detection of Different Propagules of Phytophthora infestans. Plant Dis. 86 (3): 247-253

Wangsomboondee, T.; .Groves, C.T.; Shoemaker, P. B.; Cubeta, M. A.; Ristaino, J. B. 2002.Phytophthora infestans populations from tomato and potato in North Carolina differ in genetic diversity and structure. Phytopathology. 92(11):1189-1195

Bulluck, L.R., III.; Barker, K.R.; Ristaino, J.B. 2002. Influences of organic and synthetic soil fertility amendments on nematode trophic groups and community dynamics under tomatoes. Appl. Soil Ecol. 21:233-250

Bulluck, L.R., III.; Brosius, M.; Evanylo, G.K.; Ristaino, J.B. 2002.Organic and synthetic fertility amendments influence soil microbial, physical and chemical properties on organic and conventional farms. Appl. Soil. Ecol. 19:147-160

Bulluck, L. R., III, and Ristaino, J. B. 2002. Effect of synthetic and organic soil fertility amendments on southern blight, soil microbial communities, and yield of processing tomatoes. Phytopathology 92:181- 189.

Hawksworth, D. L. 2001. What Phytophthora infestans race caused the Irish potato famine? Mycol. Res. 105(9):1025-1026.

Parra, G., Ristaino, J.B. 2001.Resistance to Mefenoxam and Metalaxyl Among Field Isolates of Phytophthora capsici Causing Phytophthora Blight of Bell Pepper. Plant Dis. 85:1069- 1075.

Ristaino, Jean B; Groves, Carol T; Parra, Gregory N. 2001. PCR amplification of the Irish Potato Famine from Historic Specimens. Nature. 411(6838):695 – 697.

Ristaino, J. B. and Petersen, P. 2001.  Pioneering women in plant pathology part I. Effie A. Southworth, first woman plant pathologist hired at the USDA.  The Plant Health Instructor: DOI: 10.1094/PHI-I-2002-0201-01

Wilmann, M.R. 2001. Studying the historic migrations of the Irish potato famine pathogen. Trends in Plant Science. 450.

Groves, C. T., and Ristaino, J. B. 2000. Commercial fungicide formulations induce in vitro oospore formation and phenotypic change in mating type in Phytophthora infestans. Phytopathology 90:1201-1208.

Sujkowski, L.S., Ristaino, J.B., Parra, G.R., Gumpertz, M.L. 2000. Temporal Dynamics of Phytophthora Blight on Bell Pepper in Relation to the Mechanisms of Dispersal of Primary Inoculum of Phytophthora capsici in Soil. Phytopathology. 90(2):148.

Ristaino, J.B., Gumpertz, M.L. 2000. New frontiers in the study of dispersal and spatial analysis of epidemics caused by species in the genus Phytophthora. Annu. Rev. Phytopathol. 38:541-576

Ristaino, J.B.; Johnston, S.A. 1999. Ecologically Based Approaches to Management of Phytophthora Blight on Bell Pepper. Plant Dis. 83(12):1080 – 1089.

Fraser, D. E., Shoemaker, P. B., and Ristaino, J. B. 1999. Characterization of isolates of Phytophthora infestans from tomato and potato in North Carolina from 1993 to 1995. Plant Dis. 83: 633-638.

Parra, G, Ristaino, J. B.  1998.  Insensitivity to Ridomil Gold (mefenoxam) found among field isolates of Phytophthora capsici causing Phytophthora blight on bell pepper in North Carolina and New Jersey.  Plant Dis. 82: 711.

Ristaino, J B. 1998.The importance of archival and herbarium materials in understanding the role of oospores in late blight epidemics of the past. Phytopathology. 88(11):1120-1130.

Ristaino, J.B., Madritch, M., Trout, C.L., Parra, G. 1998. PCR amplification of ribosomal DNA for species identification in the plant pathogen genus Phytophthora. Appl. Environ. Microbiol. 64(3):948-954.

Gumpertz, M.L., Graham, J.M., Ristaino, J.B.  1997.  Autologistic model of spatial pattern of Phytophthora epidemic in bell pepper: effects of soil variables on disease presence.  J. Agric. Biol. Environ. Stat. 2(2): 131-156.

Ristaino, J.B., Parra, G., Campbell, C.L..  1997.  Suppression of Phytophthora blight in bell pepper by a no-till wheat cover crop.  Phytopathology 87(3): 242-249.

Ristaino, J.B., Thomas W.  1997.  Agriculture, methyl bromide, and the ozone hole – can we fill the gaps?  Plant Dis. 81(9): 964-975.

Trout, C.L., Ristaino, J.B., Madritch, M., Wangsomboondee, T.  1997. Rapid detection of Phytophthora infestans in late-blight infected potato and tomato using PCR. Plant Dis. 81(9):1042 – 1048.

Ristaino, J.B., Perry, K.B., Lumsden, R.D.  1996.  Soil solarization and Gliocladium virens reduce the incidence of southern blight (Sclerotium rolfsii) in bell pepper in the field.  Biocontrol Sci. Techn. 6: 583-593.

Wu, Y., Perry, K., Ristaino, J. B.  1996.  Estimating temperature of mulched and bare soil from meteorological data. J. Agric. For. Metor. 81: 299 – 323.

Larkin, R.P., Gumpertz, M.L., Ristaino, J.B.  1995.  Geostatistical analysis of Phytophthora epidemic development in commercial bell pepper fields. Phytopathology 85(2): 191 – 203.

Larkin, R.P., Ristaino, J.B., Campbell, C.L.  1995.  Detection and quantification of Phytophthora capsici in soil.  Phytopathology 85(10):  1057-1063.

King, R. R., Lawrence, C. H., Calhoun, L. A., Ristaino, J.B.  1994.  Isolation and characterization of thaxtomin type phytotoxin associated with Streptomyces ipomoeae. J. Agric. Food and Chem. 42: 1791 – 1794.

Ristaino, J.B., Larkin, R.P., Campbell, C.L.  1994.  Spatial dynamics of disease symptom expression during Phytophthora epidemics in bell pepper.  Phytopathology 84(10):  1015-1024.

Ristaino, J.B., Lewis, J.A., Lumsden, R.D.  1994.  Influence of isolates of Gliocladium virens and delivery systems on biological control of southern blight on carrot and tomato in the field.  Plant Dis. 78(2): 153-156.

Ristaino, J.B.  1993.  Infection of sweetpotato fibrous roots by Streptomyces ipomoeae: influence of soil water potential.  Soil Biol. Biochem. 25(2):  185-192.

Ristaino, J.B.  1993.  Effect of resistance to Streptomyces ipomoeae on disease, yield, and dry matter partitioning in sweetpotato.  Plant Dis. 77(2): 193-196.

Ristaino, J.B.; Larkin, R.P.; Campbell, C.L.  1993.  Spatial and temporal dynamics of Phytophthora epidemics in commercial bell pepper fields.  Phytopathology 83(12):  1312 – 1320.

Hord, M.J.; Ristaino, J.B.  1992.  Effect of the matric component of soil water potential on infection of pepper seedlings in soil infested with oospores of Phytophthora capsici.  Phytopathology 82(7):  792 – 798.

Ristaino, J.B.; Averre, C.W.  1992.  Effects of irrigation, sulfur, and fumigation on Streptomyces soil rot and yield components in sweetpotato.  Phytopathology 82(6): 670-677.

Ristaino, J.B.; Hord, M.J.; Gumpertz, M.L.  1992.  Population densities of Phytophthora capsici in field soils in relation to drip irrigation, rainfall, and disease incidence.  Plant Dis. 76(10):  1017 – 1024.

Hord, M.J.; Ristaino, J.B.  1991.  Effects of physical and chemical factors on the germination of oospores of Phytophthora capsici in vitro.  Phytopathology 81(12):  1541 – 1546.

Ristaino, J.B.  1991.  Influence of rainfall, drip irrigation, and inoculum density on the development of Phytophthora root and crown rot epidemics and yield in bell pepper.  Phytopathology 81(8): 922 – 929.

Ristaino, J. B., Duniway, J. M.  1991.  The impact of Phytophthora root rot on water extraction from soil by roots of field-grown processing tomatoes.  J. Amer. Soc. Hort. Sci. 116: 603 – 608.

Ristaino, J.B.; Perry, K.B.; Lumsden, R.D.  1991.  Effect of solarization and Gliocladium virens on sclerotia of Sclerotium rolfsii, soil microbiota, and the incidence of southern blight of tomato.  Phytopathology 81(10): 1117-1124.

Ristaino, J.B.  1990.  Intraspecific variation among isolates of Phytophthora capsici from pepper and cucurbit fields in North Carolina.  Phytopathology 80(11):  1253 – 1259.

Ristaino, J. B., Duniway, J. M., Marois, J. J.  1989.  Phytophthora root rot and irrigation schedule influence growth and phenology of processing tomatoes.  J. Amer. Soc. Hort. Sci. 114: 556 – 561.

 Ristaino, J. B., Duniway, J. M.  1989.  Effect of preinoculation and postinoculation water stress on the severity of Phytophthora root rot in processing tomatoes.  Plant Dis. 73: 349 – 352.

Ristaino, J. B., Duniway, J. M., Marois, J. J.  1988.  Influence of frequency and duration of furrow irrigation on the development of Phytophthora root rot and yield in processing tomatoes.  Phytopathology 78: 1701 – 1706.

Beagle-Ristaino, J. E., Papavizas, G. C.  1985.  Survival and proliferation of propagules of Trichoderma spp. and Gliocladium virens in soil and plant rhizospheres.  Phytopathology 75: 729 – 732.

Beagle-Ristaino, J. E., Papavizas, G. C.  1985.  Biological control of Rhizoctonia stem canker and black scurf of potato.  Phytopathology 75: 560 – 564.

Papavizas, G. C., Dunn, M. T., Lewis, J. A., Beagle-Ristaino, J.  1984.  Liquid fermentation technology for experimental production of biocontrol fungi.  Phytopathology 74: 1171 – 1175.

Beagle-Ristaino, J. E., Rissler, J. F.  1983.  Histopathology of susceptible and resistant soybean roots inoculated with zoospores of Phytophthora megasperma f. sp. glycinea.  Phytopathology 73: 590 – 595.

Beagle-Ristaino, J. E., Rissler, J. F.  1983.  Effect of Rhizobium japonicum nodulation on severity of Phytophthora root rot of soybeans.  Plant Dis.  67: 651 – 654.

Beagle, J. E., Rissler, J. F., Kantzes, J. G.  1982.  Phytophthora root rot of soybeans in Maryland.  Plant Dis. 66: 371 – 372.