Publications

Recent publications from the EVADE team:

2023:

1. Saif, M. S., Chancia, R., Hassanzadeh, A., Pethybridge, S. J., Murphy, S. M., and van Aardt, J. 2023. Forecasting table beet root yield from spectral and textural features from hyperspectral UAS imagery. Remote Sensing 15:794.

2022:

8. Del Ponte, E. M., Cazon, L. I., Alves, K. S., Pethybridge, S. J., and Bock, C. H. 2022. How much do standard area diagrams improve accuracy of visual estimates of disease severity? A systematic review and meta-analysis. Trop. Plant Pathol. 47:43-57.
9. Hay, F. S., Heck, D. W., Sharma, S., Klein, A., Hoepting, C., and Pethybridge, S. J. Stemphylium leaf blight of onion. Plant Disease Lesson. The Plant Health Instructor 22: 10.1094/PHI-P-2022-0​1-0​001.
10. Sharma, S., Kikkert, J. R., Heck D. W., Branch, E. A., and Pethybridge, S. J. Cercospora leaf spot of table beet. Disease Lesson. The Plant Health Instructor 22: ​10.1094/PHI-P-20​​22-​02-0​101.
11. Madden, L. V., Esker, P. D., and Pethybridge, S. J. Forrest W. Nutter Jr.: A career in phytopathometry. Tropical Plant Pathol. 47:5-13.
12. Bock, C. H., Pethybridge, S. J., Barbedo, J. G. A., Esker, P. D., Mahlein, A-K., and Del Ponte, E. M. 2022. A phytopathometry glossary for the 21^st century: Towards consistency and precision in intra- and inter-disciplinary crosstalk. Trop. Plant Pathol. 47:14-24.
13. Hassanzadeh, A., Zhang, F., Murphy, S. M., Pethybridge, S. J., van Aardt, J. 2022. Toward crop maturity assessment via UAS-based imaging spectroscopy – A snap bean pod size classification. IEEE Transactions on Geoscience and Remote Sensing. 60:5519717.
14. Lehner, M. S., Alves, K., Del Ponte, E. M., and Pethybridge, S. J. Comparative fungicide sensitivity of Sclerotinia sclerotiorum using mycelial growth and ascospore germination assays. Plant Dis. 106:360-363.
15. Spanner, R., Neubauer, J., Heick, T. M., Grusak, M. A., Hamilton, O., Rivera-Varas, V., Hamilton, O., de Jonge, R., Pethybridge, S. J., Webb, K. M., Leubner-Metzger, G., Secor, G. A., and Bolton, M. D. 2022. Seed-borne Cercospora beticola can initiate disease in sugar beet (Beta vulgaris ). Phytopathology 112:1016-1028.
16. Hay, F. S., Heck, D. W., Klein, A., Sharma, S., Hoepting, C. A., and Pethybridge, S. J. Spatiotemporal attributes of Stemphylium leaf blight epidemics and effects of residue management in New York onion fields. Plant Dis. 106:1381-1391.
17. Zhang, F., Hassanzadeh, Z., Kikkert, J. R., Pethybridge, S. J., and van Aardt, J. 2022. Evaluation of Leaf Area Index (LAI) of broadacre crops using UAS-based LiDAR point clouds and multispectral imagery. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 15:4027-4044.
18. Pethybridge, S. J., Murphy, S., Hay, F. S., Branch, E. B., Sharma, P., and Kikkert, J. R. 2022. Control of Phoma leaf spot and root decay of table beet in New York. Plant Dis. 106:1857-1866.
19. Damann, K., and Pethybridge, S. J. Case Study: Powdery mildew on acorn squash in a mesotunnel. Plant Health Instructor 22: ​https://doi.org/10.1094/PHI_C_2022_06_0005​.

2021:

• Gorny, A. M., Hay, F. S., Esker, P. D., and Pethybridge, S. J. Spatial and spatiotemporal analysis of Meloidogyne hapla and Pratylenchus spp. populations in commercial potato fields in New York. Nematology 23:139-151.
• Vaghefi, N., Shivas, R. G., Sharma, S., Nelson, S. C., and Pethybridge, S. J. Phylogeny of cercosporoid fungi (Mycosphaerellaceae, Capnodiales) from Hawaii and New York reveals novel species within the Cercospora beticola complex. Mycol. Progress 20:261-287.
• Gorny, A. M., Hay, F. S., and Pethybridge, S. J. Response of potato cultivars to the northern root-knot nematode (Meloidogyne hapla) under field conditions in New York State, USA. Nematology 23:425-433.
• Menalled, U., Pethybridge, S. J., Pelzer, C., Smith, R. G., DiTomasso, A., and Ryan, M. R. 2021. High seeding rates and low soil nitrogen optimize weed suppression and profitability in organic no-till planted soybean. Front. Agron. 3:678567.
• Chancia, R. O., van Aardt, J., and Pethybridge, S. J. Predicting table beet yield with multispectral UAS imagery. Remote Sens. 13:2180.
• Hassanzadeh, A., Zhang, F., van Aardt, J., Murphy, S., and Pethybridge, S. J. Broadacre crop yield estimation using imaging spectroscopy from unmanned aerial systems (UAS): A field-based case study with snap bean. Remote Sensing 13 (16):3241.
• Zhang, F., Hassanzadeh, A., Kikkert, J. R., Pethybridge, S. J., and van Aardt, J. 2021. Comparison of UAS-based Structure-From-Motion and LiDAR for structural characterization of short broadacre crops. Remote Sens. 13(19):3975.
• Heck, D. W., Kikkert, J. R., Hanson, L. E., and Pethybridge, S. J. Development of a sequential sampling plan using spatial attributes of Cercospora leaf spot epidemics of table beet in New York. Plant Dis. 109:2453-2465.
• Spanner, R., Taliadoros, D., Richards, J., Rivera-Varias, V., Neubauer, J., Natwick, M., Hamilton, O., Vaghefi, N., Pethybridge, S. J., Secor, G. A., Friesen, T. L., Stukenbrock, E., and Bolton, M. D. 2021. Genome-wide association studies reveal the complex genetic architecture of DMI fungicide resistance in Cercospora beticola. Genome Biology and Evolution 13(9): evab209.
• Pethybridge, S. J., Murphy, S., Sharma, S., Biazzo, J., and Milbrath, L. 2021. Southern blight of perennial swallowwort (Vincetoxicum ) in New York. Invasive Plant Science and Management 14:223-231.
• Hay, F. S., Stricker, S., Gossen, B. D., McDonald, M. R., Heck, D. W., Hoepting, C. A., Sharma, S., and Pethybridge, S. J. Stemphylium leaf blight of onion: A re-emerging threat to onion production in eastern North America. Plant Dis. 105:3780-3794.

2020:

• Synoground, T., Batson, A., Derie, M. L., Koenick, L. B., Pethybridge, S. J., and du Toit, L. J. 2020. First report of Cercospora leaf spot caused by Cercospora chenopodii on Spinacia oleracea in the USA. Plant Dis. 104:976.
• Knight, N. L., and Pethybridge, S. J. An improved assay for species-specific detection and quantification of Cercospora beticola. Can. J. Plant Pathol. 42:72-83.
• Knight, N. L., Koenick, L. B., Sharma, S. S., and Pethybridge, S. J. Detection of Cercospora beticola and Phoma betae on table beet seed using quantitative PCR. Phytopathology 110:943-951.
• Sharma, S., Hay, F. S., and Pethybridge, S. J. Genome resource for two Stemphylium vesicarium isolates causing Stemphylium leaf blight of onion in New York. Mol. Plant Microbe Inter. 33:562-564.
• Pethybridge, S. J., Sharma, S., Hansen, Z., Kikkert, J. R., Olmstead, D. L., and Hanson, L. E. 2020. Optimizing Cercospora leaf spot control in table beet using action thresholds and disease forecasting. Plant Dis. 104:1831-1840.
• Hassanzadeh, A., van Aardt, J., Murphy, S. M., and Pethybridge, S. J. Yield modeling of snap bean based on hyperspectral sensing: A greenhouse study. J. Appl. Rem. Sens. 14(2):024519.
• Rangel, L., Spanner, R. E., Ebert, M. K., Pethybridge, S. J., Stukenbrock, E. H., de Jonge, R., Secor, G. A., and Bolton, M. D. 2020. Cercospora beticola: the intoxicating lifestyle of the leaf spot pathogen of sugar beet. Mol. Plant Pathol. 21:1020-1041.
• Pethybridge, S. J., Sharma, S., Hansen, Z., Vaghefi, N., Hanson, L. E., and Kikkert. J. R. 2020. Improving fungicide-based management of Cercospora leaf spot in table beet in New York, USA. Can. J. Plant Pathol. 42:353-366.
• Menalled, U., Bybee-Finley, K. A., Smith, R. G., DiTomasso, A., Pethybridge, S. J., and Ryan, M. R. 2020. Soil-mediated effects on weed-crop competition: Elucidating the role of annual and perennial intercrop diversity legacies. Agronomy 10(9):https://doi.org/10.3390/agronomy10091373.
• Hassanzadeh, A., Murphy, S., Pethybridge, S. J., and van Aardt, J. 2020. Growth stage classification and harvest scheduling of snap bean using hyperspectral sensing: A greenhouse study. Remote Sens. 12:3809.
• Pethybridge, S. J., Brown, B., Kikkert, J. R., and Ryan, M. R. 2020. Systems benefits and trade-offs of rolled-crimped cereal rye mulch for white mold control and weed suppression in no-till soybean and dry bean production. Ren. Agric. Food Sys. 35:599-607.

2019:

 

• Pethybridge, S. J., Sharma, S., Silva, A., Bowden, C., Murphy, S., Knight, N. L., and Hay, F. S. 2019. Southern Sclerotium root rot caused by Athelia rolfsii on table beet in New York. Plant Health Progress 20:4-6.
• Savary, S., Willocquet, L., Pethybridge, S. J., Esker, P., McRoberts, N., and Nelson, A. 2019. Assessing the global burden of pathogens and pests on major food crops. Nature Ecology and Evolution 3:430-439.
• Pethybridge, S. J., Gugino, B. K., and Kikkert, J. R. 2019. Efficacy of Double Nickel LC (Bacillus amyloliquefaciens D747 strain) for white mold control in snap and dry bean. Plant Health Progress 20:61-66.
• Koenick, L. B., Kikkert, J. R., and Pethybridge, S. J. Phoma leaf spot susceptibility and horticultural characteristics of table beet cultivars in New York. Plant Health Progress 20:95-103.
• Del Ponte, E. M., Nelson, S. C., and Pethybridge, S. J. Evaluation of app-embed disease scales for aiding visual severity estimation of Cercospora leaf spot of table beet. Plant Dis. 103:1347-1356. https://apsjournals.apsnet.org/doi/pdf/10.1094/PDIS-10-18-1718-RE.
• Koenick, L. B., Knight, N. L., Vaghefi, N., du Toit, L. J., and Pethybridge, S. J. Genetic diversity and differentiation in Phoma betae populations on table beet in New York and Washington State. Plant Dis. 103:1487-1497.
• Sharma, S., Pethybridge, S. J., Buck, E. M., and Hay, F. S. 2019. First report of leaf curl on celery (Apium graveolens dulce) caused by Colletotrichum fioriniae in New York. Plant Dis. 103:1791.
• Vaghefi, N., Silva, A., Koenick, L. B., and Pethybridge, S. J. Genome resource for Neocamarosporium betae (syn. Pleospora betae), the cause of Phoma leaf spot and root rot on Beta vulgaris. MPMI (Resource Announcement). 32:787-789.
• Knight, N. L., Vaghefi, N., Kikkert, J. R., Bolton, M. D., Secor, G. A., Hanson, L. E., Nelson, S. C., and Pethybridge, S. J. Genetic diversity and structure in regional Cercospora beticola populations from Beta vulgaris ssp. vulgaris suggest two clusters of separate origin. Phytopathology 109:1280-1292.
• Gorny, A. M., Wang, X., Hay, F. S., and Pethybridge, S. J. Development of a species-specific quantitative PCR for detection and quantification of Meloidogyne hapla using the 16D10 root-knot nematode effector gene. Plant Dis. 103:1902-1909.
• Knight, N. L., Vaghefi, N., Kikkert, J. R., and Pethybridge, S. J. Alternative hosts of Cercospora beticola in field surveys and inoculation trials. Plant Dis. 103:1983-1990.
• Shah, D. A., Dillard, H. R., and Pethybridge, S. J. Identification of factors associated with white mould in snap bean using tree-based methods. Plant Pathol. 68:1694-1705.
• Hay, F. S., Sharma, S., Hoepting, C., Strickland, D. A., Luong, K., and Pethybridge, S. J. Emergence of Stemphylium leaf blight of onion in New York associated with fungicide resistance. Plant Dis. 103:3083-3092.
• Pethybridge, S. J., Gugino, B. K., and Kikkert, J. R. 2019. Optimizing fungicide timing for the control of white mold in processing snap bean. Crop Protection 125:104883.
• Gorny, A. M., Cousins, P., Johnston, D., and Pethybridge, S. J. Establishment and maintenance of a hydroponics system for rearing of the northern root-knot nematode (Meloidogyne hapla) second stage juveniles. The Plant Health Instructor DOI: 10.1094/PHI-T-2019-1107-01​​.

2018:

• Shah, D. A., Dillard, H. R., and Pethybridge, S. J. 2018. Hierarchical models for white mould in snap bean. Plant Pathol. 67:145-155.
• Pethybridge, S. J., and Nelson, S. C. 2018. Estimate, a new iPad application for assessment of plant disease severity using photographic standard area diagrams. Plant Dis. 102:276-281.
• Pethybridge, S. J., Hay, F. S., Gorny, A. M., and Kikkert, J. R. 2018. Spatiotemporal attributes and crop loss associated with tan spot epidemics in baby lima bean in New York. Plant Dis. 102:405-412.
• Gorny, A. M., Hay, F. S., Wang, X., and Pethybridge, S. J. 2018. Isolation of nematode DNA from 100 g of soil using Fe₃O₄ super paramagnetic nanoparticles. Nematology 20:271-283.
• Vaghefi, N., Kikkert, J. R., Hay, F. S., Carver, G. D., Koenick, L. B., Bolton, M. D., Hanson, L. E., Secor, G. A., and Pethybridge, S. J.2018. Cryptic diversity, pathogenicity, and evolutionary species boundaries in Cercospora populations associated with Cercospora leaf spot of Beta vulgaris. Fungal Biol. 122:264-282.
• Wingfield, B. D., Bills, G. F., Dong, Y., Huang, W., Nel, W. J., Swalarsk-Parry, B. S., Vaghefi, N., Wilken, M., An, Z., de Beer, Z. W., De Vos, L., Chen, L., Duong, T. A., Gao, Y., Hammerbacher, A., Kikkert, J. R., Li, Y., Li, H., Li, K., Li, Q., Liu, X., Ma, X., Naidoo, K., Pethybridge, S. J., Sun, J., Steenkamp, E. T., van der Nest, M., van Wyk, S., Wingfield, M. J., Xiong, C., Yue, Q., and Zhang, X. 2018. Draft genome sequences of Annulohypoxylon stygium, Aspergillus mulundensi, Berkeleyomyces basicola (syn. Thielaviopsis basicola), Ceratocystis smalleyi, two Cercospora beticola strains, Coleophoma cylindrospora, Fusarium fracticaudum, Phialophora cf. hyalina, and Morchella septimelata.  IMA Fungus 9(1):199-223.
• Pethybridge, S. J., Kikkert, J. R., Hanson, L. E., and Nelson, S. C. 2018. Challenges and prospects for building resilient disease management strategies and tactics for the New York table beet industry. Review Article. agronomy 8(7):112.
• Hay, F. S., Vaghefi, N., Strickland, D., Hadad, R., and Pethybridge, S. J. 2018. First report of Colletotrichum fioriniae causing anthracnose of elephant garlic (Allium ampeloprasum) in New York, USA. New Dis. Rep. 38, 1.
• Knight, N. L., Vaghefi, N., Hansen, Z. R., Kikkert, J. R., and Pethybridge, S. J. 2018. Temporal differentiation and shifts in genetic structure of Cercospora beticola populations in table beet fields of New York. Plant Dis. 102:2074-2082.

2017:

• Hay, F. S., Vaghefi, N., Ivy, A., and Pethybridge, S. J. 2017. First report of carrot root rot caused by Rhexocercosporidium carotae in the United States.  Plant Dis. 101: 248.
• Vaghefi, N., Kikkert, J. R., Bolton, M. D., Hanson, L. E., Secor, G. A., and Pethybridge, S. J. 2017. De novo genome assembly of Cercospora beticola for microsatellite development and validation.  Fungal Ecology 26:125-134.
• Lehner, M. S., Pethybridge, S. J., Meyer, M. C., and Del Ponte, E. M. 2017. Meta-analytic modelling of the relationships of white mold incidence with soybean yield and sclerotia production in uniform fungicide trials.  Plant Pathol. 66:460-468.
  1. Data provided on open access GitHub.
• Dunn, A. R., Kikkert, J. R., and Pethybridge, S. J. 2017. Genotypic characteristics in populations of Sclerotinia sclerotiorum from New York State, USA.  Ann. Appl. Biol. 170:219-228.
• Lehner, M. S., Mizubuti, E., Del Ponte, E. M., and Pethybridge, S. J. 2017. Independently founded populations of Sclerotinia sclerotiorum from a tropical and temperate region have similar genetic structure.  PLoS ONE 12(3):e0173915.
• Lehner, M., Kikkert, J. R., Gugino, B., and Pethybridge, S. J. 2017. Fungicide sensitivity and efficacy of boscalid, fluazinam and thiophanate-methyl for white mold control in snap bean.  Plant Dis. 101:1253-1258.
• Cieniewicz, E. J., Pethybridge, S. J., Gorny, A., McLane, H., Perry, K. L., Madden, L. V., and Fuchs, M. 2017. Spatiotemporal spread of grapevine red blotch-associated virus in a California vineyard. Virus Res. 241:156-162.
• Vaghefi, N., Nelson, S. C., Kikkert, J. R., and Pethybridge, S. J. 2017. Genetic structure of Cercospora beticola populations on Beta vulgaris in New York and Hawaii.  Sci. Reports 7:1726.
• Pethybridge, S. J., Vaghefi, N., and Kikkert, J. R. 2017. Management of Cercospora leaf spot in conventional and organic table beet production. Plant Dis. 101:1642-1651.
• Shah, D. A., Dillard, H. R., and Pethybridge, S. J. 2017. Probability distributions for marketable pods and white mould in snap bean. Ann. Appl. Biol. 171:179-189.
• Pethybridge, S. J., Kikkert, J. R., and Vaghefi, N. V. 2017.  Horticultural characteristics and susceptibility of table beet cultivars to Cercospora leaf spot in New York. Hort. Technol. 27:539-543.
• Del Ponte, E. M., Pethybridge, S. J., Bock, C. H., Michereff, S. J., Machado, F. J., and Spolti, P. 2017. Standard area diagram aids for aiding severity estimation: scientometrics, pathosystems and methodological trends in the last 25 years. Phytopathology 107:1161-1174.
  1. Website developed (SADBank) hosting standard area diagram research data and outlines best practices for designing and implementing standard area diagrams.
• Hay, F. S., Maloney, E., Vaghefi, N., Shivas, R. G., and Pethybridge, S. J. 2017. First report of Cercospora blight of Asparagus officinalis cause by Cercospora asparagi in New York. Plant Dis. 101:1953.
  1. Two representative cultures (ICMP 21630 and 21631) deposited at International Collection of Microorganisms from Plants, Landcare Research, Auckland, New Zealand.
  2. Diseased specimen deposited at Cornell Plant Pathology Herbarium: CUP-068247.
• Nelson, S. C., Corcoja, I., and Pethybridge, S. J. 2017. Cluster: a new application for spatial analysis of pixelated data for epidemiology. Phytopathology 107:1556-1566.
• Vaghefi, N., Kikkert, J. R., Bolton, M. D., Hanson, L. E., Secor, G. A., Nelson, S. C., and Pethybridge, S. J. 2017. Global genotype flow in Cercospora beticola populations confirmed through genotyping-by-sequencing.  PLoS ONE 12(10):e0186488.

2016:

• Vaghefi, N., Hay, F. S., Kikkert, J. R., and Pethybridge, S. J. 2016. Genotypic diversity and resistance to azoxystrobin of Cercospora beticola on processing table beet in New York.  Plant Dis. 100:1466-1473.
• Pethybridge, S. J., Gorny, A., Hoogland, T., Jones, L., Hay, F. S., Smart, C. D., and Abawi, G. 2016.  Identification and characterization of Ditylenchus spp. populations from garlic in New York State, USA.  Trop. Plant Pathol. 41:193-197.
• Gorny, A. M., Kikkert, J. R., Shivas, R. G., and Pethybridge, S. J. 2016. First report of Didymella americana on lima bean (Phaseolus lunatus). Can. J. Plant Pathol. 38:389-394.
• Hay, F. S., Strickland, D., Maloney, E., Hoepting, C., and Pethybridge, S. J. 2016.  Anthracnose of onion caused by Colletotrichum coccodes in New York.  Plant Dis. 100:2171.
• Vaghefi, N., Pethybridge, S. J., Shivas, R. G., and Nelson, S. C. 2016. First report of leaf spot caused by Paracercospora egenula on eggplant in Hawaii.  Austral. Plant Dis. Notes 11:1-3.
• Vaghefi, N., Kikkert, J. R., and Pethybridge, S. J. 2016. Incidence and pathogenicity of Didymella americana on table beet in New York. Plant Health Progress 17:270-272.

2015:

• Pethybridge, S. J., and Nelson, S. C. 2015.  Leaf Doctor – a new application for assessing disease severity.  Plant Dis. 99:1310-1316.
• Gorny, A. M., Kikkert, J. R., Dunn, A. R., Dillard, H. R., Smart, C. D., and Pethybridge, S. J. 2015. Tan spot of lima bean caused by Boeremia exigua in New York State. Can J. Plant Pathol. 37:523-528.
• Pethybridge, S. J., Cobb, A. C., and Dillard, H. R. 2015.  Production of apothecia and ascospores of Sclerotinia sclerotiorum (revised).  The Plant Health Instructor.  Revision to DOI: 10.1094/PHI-T-2004-0604-01. Updated 2015.