Research Areas research areas


  • My lab focuses on state-of-the-art research with cost-efficient modern disease diagnostic methods across a range of crops. We research on applied epidemiology of major pathogens in vegetable, fruit, and ornaments crops. We use standard and advanced molecular tools for understanding plant-microbe interactions and sustainable diseases management. We implement statewide major plant disease surveys to detect and quantify disease risks while also providing molecular characterization of newly reported plant pathogens. We also develop, optimize and implement methods for operational fungicides (DMI, QoI, SDHI, etc.) resistance evaluation and their underlying mechanisms of fungicide resistance. Our extension efforts are dedicated to addressing stakeholder needs and providing appropriate information for multiple stakeholders in a timely manner.
  • Selected Publications

    Academic Article

    Year Title
    2022 Development of a CAPS Marker and a LAMP Assay for Rapid Detection of Xylella fastidiosa Subsp. multiplex and Differentiation from X. fastidiosa Subsp. fastidiosa on Blueberry.International Journal of Molecular Sciences.  23:1937-1937. 2022
    2022 First Report of Fusarium concentricum Causing Shoot Blight on Podocarpus macrophyllus in ChinaPlant Disease.  106:768-768. 2022
    2022 First Report of Gray Leaf Spot Caused by Pyricularia oryzae (synonym: Magnaporthe oryzae) in Oat (Avena sativa) in Georgia, U.S.A.Plant Disease.  106:763-763. 2022
    2022 Multiple Mutations and Overexpression in the CYP51A and B Genes Lead to Decreased Sensitivity of Venturia effusa to TebuconazoleCurrent Issues in Molecular Biology Current Issues in Intestinal Microbiology.  44:670-685. 2022
    2021 Genome-informed loop-mediated isothermal amplification assay for specific detection of Pectobacterium parmentieri in infected potato tissues and soilScientific Reports.  11. 2021
    2021 First Report of Crown Rot of Banana Caused by Fusarium porliferatum in Georgia, USAPlant Disease2021
    2021 Fusarium oxysporum f. sp. niveum Molecular Diagnostics Past, Present and Future.International Journal of Molecular Sciences.  22:9735-9735. 2021
    2021 Prevalence and distribution of Penicillium expansum and Botrytis cinerea in apple packinghouses across Washington State and their sensitivity to the postharvest fungicide pyrimethanilActa Horticulturae.  167-172. 2021
    2021 Molecular Characterization of Laboratory Mutants of Fusarium oxysporum f. sp. niveum Resistant to Prothioconazole, a Demethylation Inhibitor (DMI) Fungicide.J Fungi (Basel).  7:704-704. 2021
    2021 A Core35S Promoter of Cauliflower Mosaic Virus Drives More Efficient Replication of Turnip Crinkle Virus.Plants.  10:1700-1700. 2021
    2021 Development of a Co-Dominant Cleaved Amplified Polymorphic Sequences Assay for the Rapid Detection and Differentiation of Two Pathogenic Clarireedia spp. Associated with Dollar Spot in TurfgrassAgronomy.  11:1489-1489. 2021
    2021 Sensitivity of Aspergillus flavus Isolates from Peanut Seeds in Georgia to Azoxystrobin, a Quinone outside Inhibitor (QoI) Fungicide.J Fungi (Basel).  7:284-284. 2021
    2021 A Comparative Study of Wheat Leaf Infection by Bipolaris sorokiniana on Resistant and Susceptible Wheat Varieties using Scanning Electron MicroscopyResearch Journal of Plant Pathology.  4. 2021
    2021 First Report of Citrus tristeza virus Infecting Citrus Trees in Georgia, USA.Plant Disease.  105:2024-2024. 2021
    2021 Marker Development for Differentiation of Fusarium Oxysporum f. sp. Niveum Race 3 from Races 1 and 2.International Journal of Molecular Sciences.  22:822-822. 2021
    2021 Detection of Phytophthora capsici from Irrigation Ponds in South GeorgiaPlant Health Progress.  22:380-383. 2021
    2021 Phylogenetic and phenotypic characterization of Fusarium oxysporum f. sp. niveum isolates from Florida-grown watermelon.PLoS ONE.  16:e0248364. 2021
    2020 Turfgrass Disease Diagnosis: Past, Present, and Future.Plants.  9:1544-1544. 2020
    2020 Taxonomical Identification of Clarireedia Species Causing Dollar Spot Disease of Turfgrass in GeorgiaPlant Disease.  104:3063-3063. 2020
    2020 Draft Genome Sequences of Three Fusarium oxysporum f. sp. niveum Isolates Used in Designing Markers for Race DifferentiationMicrobiology Resource Announcements.  9. 2020
    2020 First Report of the Spiral Nematode Helicotylenchus microlobus Infecting Paspalum vaginatum, Seashore Paspalum Turfgrass, in Georgia, U.S.A.Plant Disease.  104:2739-2739. 2020
    2020 First Report of Hop stunt viroid Infecting Citrus Trees in Georgia, USA.Plant Disease.  105:515-515. 2020
    2020 Detection of Phytophthora capsici in Irrigation Water using Loop-Mediated Isothermal AmplificationJournal of Visualized Experiments2020
    2020 First Report of Bacterial Leaf Scorch Disease of American Elm Caused by Xylella fastidiosa in Georgia, USAPlant Disease.  104:1853-1854. 2020
    2020 Characterization of bacterial pathogens causing fruit soft rot and stem blight of bell pepper in Georgia, USAJournal of Plant Pathology.  102:311-318. 2020
    2020 First Report of Banana Streak Virus Infecting Bananas (Musa spp.) in Georgia, USAPlant Disease.  104:1261-1261. 2020
    2020 Development of Loop-Mediated Isothermal Amplification Assay for Rapid Detection of Cucurbit Leaf Crumple VirusInternational Journal of Molecular Sciences.  21:1756-1756. 2020
    2020 Characterization of Resistance to Major Tropical Root-Knot Nematodes (Meloidogyne spp.) in Solanum sisymbriifoliumPhytopathology.  110:666-673. 2020
    2020 First Report of Downy Mildew on Blackberry Caused by Peronospora sparsa in Georgia, U.S.A.Plant Disease.  104:Not-Available. 2020
    2020 Huanglongbing, Caused by 'Candidatus Liberibacter asiaticus,' Detected in New Locations Across Southern and Coastal GeorgiaPlant Health Progress.  21:31-35. 2020
    2020 Rapid detection of pecan root-knot nematode, Meloidogyne partityla, in laboratory and field conditions using loop-mediated isothermal amplification.PLoS ONE.  15:e0228123. 2020
    2020 Sensitivity of Colletotrichum Isolates Collected from Strawberries in Georgia to Pyraclostrobin, a Quinone Outside Inhibitor (QoI) FungicidePlant Health Progress.  21:69-70. 2020
    2019 Population structure and genetic diversity of Setosphaeria turcica from corn in Heilongjiang province, ChinaJournal of Applied Microbiology Journal of Applied Bacteriology.  127:1814-1823. 2019
    2019 First Report of Meloidogyne javanica Infecting American Chestnut Trees (Castanea dentata) in Georgia, U.S.A.Plant Disease.  103:2694. 2019
    2019 Occurrence of Fruit Rot of Cantaloupe Caused by Fusarium equiseti in ChinaPlant Disease.  103:2683-2683. 2019
    2019 Comparative analysis of different molecular and serological methods for detection of Xylella fastidiosa in blueberryPLoS ONE.  14:e0221903-e0221903. 2019
    2019 Occurrence of Seedling Blight Caused by Fusarium tricinctum on Rice in ChinaPlant Disease.  103:1789-1789. 2019
    2019 First Report of Resistance to Pyraclostrobin, Boscalid, and Thiophanate-methyl in Colletotrichum gloeosporioides from Blueberry in GeorgiaPlant Health Progress.  20:261-262. 2019
    2019 Resistance Breeding Through RNA Silencing of Host Factors Involved in Virus ReplicationMethods in Molecular Biology.  2028:247-259. 2019
    2018 Improved apple latent spherical virus-induced gene silencing in multiple soybean genotypes through direct inoculation of agro-infiltrated Nicotiana benthamiana extractPlant Methods.  14. 2018
    2018 Selection Pressure Pathways and Mechanisms of Resistance to the Demethylation Inhibitor-Difenoconazole in Penicillium expansumFrontiers in Microbiology.  9. 2018
    2018 Conferring virus resistance in tomato by independent RNA silencing of three tomato homologs of Arabidopsis TOM1Archives of Virology.  163:1357-1362. 2018
    2018 Sensitivity of Phacidiopycnis spp. Isolates from Pome Fruit to Six Pre- and Postharvest FungicidesPlant Disease.  102:533-539. 2018
    2016 Transmission of RNA silencing signal through grafting confers virus resistance from transgenically silenced tobacco rootstocks to non-transgenic tomato and tobacco scionsJournal of Plant Biochemistry and Biotechnology.  25:245-252. 2016
    2016 Molecular analysis of an attenuated strain of Cucumber green mottle mosaic virus using in vitro infectious cDNA clone: pathogenicity and suppression of RNA silencingJournal of Plant Biochemistry and Biotechnology.  25:79-86. 2016
    2015 Analysis of cytosine methylation status in potato by methylation-sensitive amplified polymorphisms under low-temperature stressJournal of Plant Biology.  58:383-390. 2015
    2015 Cauliflower mosaic virus Tav protein induces leaf chlorosis in transgenic tobacco through a host response to virulence function of TavJournal of General Plant Pathology.  81:261-270. 2015
    2014 Artificial induction of a plant virus protein in transgenic tobacco provides a synchronous system for analyzing the process of leaf chlorosisPhysiological and Molecular Plant Pathology.  88:43-51. 2014
    2013 Graft Transmission of RNA Silencing to Non-Transgenic Scions for Conferring Virus Resistance in TobaccoPLoS ONE.  8:e63257-e63257. 2013
    2012 Erratum to: Molecular analysis of transgenic melon plants showing virus resistance conferred by direct repeat of movement gene of Cucumber green mottle mosaic virusPlant Cell Reports.  31:1379-1379. 2012
    2012 Molecular analysis of transgenic melon plants showing virus resistance conferred by direct repeat of movement gene of Cucumber green mottle mosaic virusPlant Cell Reports.  31:1371-1377. 2012

    Other Research Activities

    Full Name

  • Emran Ali
  • Mailing Address

  • University of New Hampshire

    Agriculture, Nutrition, and Food Systems

    The Kendall Hall, Room 324,129 Main Street

    Durham, NH  03824

    United States