Technical Sessions 

Sunday, August 11, 2013

1:00 - 2:15 p.m.


Bacterial-Host Interactions


  • Ralstonia solanacearum requires PopS, an ancient virulence effector, to suppress SA-mediated defenses during tomato wilt.
  • Ralstonia solanacearum T3SS activation in planta requires nitric oxide reductase.
  • Diverse plant genes are targeted by TAL effectors for disease susceptibility.
  • Additional components involved in thaxtomin induction and regulation by Streptomyces scabies.
  • Characterization of culturable bacterial endophytes of switchgrass (Panicum virgatum L.) and their capacity to effect plant growth.


Disease Diagnosis and Detection


  • Identification and detection of wheat pathogens through volatile organic compound analysis.
  • Real-time detection of airborne Erysiphe necator (grape powdery mildew) inoculum with loop-mediated isothermal amplification (LAMP).
  • SCAR assay as a versatile diagnostic tool for detection of Macrophomina phaseolina in cluster bean.
  • Estimation of 'Candidatus Liberibacter asiaticus' populations in Texas citrus trees.
  • Live bacterial population dynamics of 'Candidatus Liberibacter asiaticus', the bacterial agent associated with citrus huanglongbing, in two plant hosts.


Fruit Pathogen Epidemiology


  • Effect of inoculum concentration on development of anthracnose fruit rot of strawberry cultivars in detached fruit and field experiments.
  • Fine-scale genetic structuring and reproductive biology of the blueberry pathogen Monilinia vaccinii-corymbosi.
  • Blueberry silverleaf: Morpho genetic diversity of Chondrostereum purpureum isolates that are affecting blueberries.
  • Comparing the effects of southeastern U.S. strains of Xylella fastidiosa subspp. fastidiosa and multiplex on blueberry and tobacco.
  • Effects of rootstock on Xylella fastidiosa infection and grapevine sap phenolics.



Fungal Molecular Systematics and Evolution 1

  • A survey of ballistosporic phylloplane yeasts in Baton Rouge, Louisiana.
  • Species concepts in Geoglossomycetes.
  • A new species of Paratritirachium isolated from flare pit soils and the addition of a teleomorph to the generic concept.
  • Comparative genomic analyses of Rhizoctonia solani: Insights on evolution and pathogenesis.


Plant Disease Management

  • Attachment and germination of Phytophthora capsici zoospores on roots of susceptible and resistant peppers.
  • Effect of amended media, temperature, and light on the growth and development of Cercospora janseana.
  • Effect of watering regime and Fusarium virguliforme (Fv) infection on location of soybean cyst nematode (SCN) syncytia in soybean roots.
  • Defining the stages of infection of grapevine stems with the trunk disease Botryosphaeria dieback.
  • Geostatistics analysis of the relationship between plant nutrition and coffee rust.


Sunday, August 11, 2013
2:45 - 4:00 p.m.


Chemical Control

  • The importance of fungicides for feeding the world.
  • Effects of quinone outside inhibitor fungicides on Fusarium head blight, deoxynivalenol, and Fusarium graminearum biomass in soft red winter wheat.
  • Are foliar fungicides a viable integrated pest management option for hybrid corn?
  • Tank mix and alternation of acibenzolar-S-methyl with reduced rates of mandipropamid for control of downy mildew on basil in the greenhouse.
  • Impatiens downy mildew: Management options for the greenhouse, nursery, and landscape industries.


Disease Detection


  • Detection of Xanthomonas oryzae pathovars from rice seeds: An assay potentially viable for use in seed trade and germplasm exchange.
  • Detection of Xanthomonas oryzae by loop-mediated isothermal amplification.
  • A method for detecting Xanthomonas cucurbitae in pumpkin seed.
  • Improvement of current detection and identification methods for select agent strains of Ralstonia solanacearum via multiplex PCR and qPCR.
  • Surprising results and implications of the Florida psyllid testing project.


Food Safety

  • Occurrence and distribution of pathogenic and indicator bacteria on conventionally and organically grown tomatoes and leafy greens in the mid-Atlantic.
  • Ultraviolet treatment of surface irrigation water for improved plant health and food safety.
  • Differential interaction of human pathogens with plants.
  • Salmonella colonization activates the plant immune system and benefits from association with plant-pathogenic bacteria.
  • Transgenic approaches to control aflatoxins in maize.

Fungal Molecular Systematics and Evolution 2

  • Phylogeny of mitosporic Capnodiales and description of a new sooty mold species Fumiglobus pierisicolus from British Columbia, Canada.
  • Phylogenetic relationships of endophytic and endolichenic fungi reveal a new order within the class Eurotiomycetes.
  • Phylogenetic analyses place Paranectria in the Nectriaceae.
  • Molecular phylogeny of fungi in the genus Thelonectria (Hypocreales, Nectriaceae): Are they really monophyletic?
  • Phylogenetic lineages within Alternaria and allied genera.


Host Resistance

  • Genotypic and phenotypic characterization of isolates in the Fusarium oxysporum species complex from soybean roots.
  • Characterization of ectotrophic root-infecting fungi isolated from ultradwarf bermudagrass (Cynodon dactylon x C. transvaalensis) root materials.
  • Systemic infection in chrysanthemum plants by Puccinia horiana, causal agent of chrysanthemum white rust.
  • Temporal dynamics of soybean root colonization by Fusarium virguliforme.
  • Histological characterization of wheat leaf rust resistance components in Thatcher isolines carrying race specific and race non-specific genes.
  • Analysis of rice PDR-like ABC transporter genes in sheath blight resistance.


 Monday, August 12, 2013

 8:30 - 9:45 a.m.


Bacterial Virulence Mechanisms 1

  • Zinc regulates biofilm and exopolysaccharide production in Xylella fastidiosa.
  • Identification of a Xylella fastidiosa pilY1 homolog responsible for twitching motility response to calcium.
  • Role of a thioredoxin family protein in Xylella fastidiosa virulence.
  • Siderophore-mediated iron uptake is important for in planta growth of Pantoea stewartii subsp. Stewartii.
  • Extracellular DNases contribute to virulence of Ralstonia solanacearum.


Fungal Ecology 1

  • Fungal community investigation across a deglaciated forefront using ITS and LSU analyses reveals strong successional trajectories.
  • Effects of environment and host on endophyte communities of coastal dune grasses.
  • Plant-microbe relationships determine winners and losers in response to nitrogen pollution.
  • Marram grass and dune fungi: Hunting for hidden change.
  • Alkaloids produced by a defensive symbiont may have evolved from a plant stress metabolite.


Fungal Molecular Systematics & Evolution 3

  • Problems in ITS-rDNA taxonomy: Hypervariable ITS sequences among isolates and within single-ascospore strains of Ceratocystis fimbriata sensu stricto.
  • Revisiting the phylogeny of Teratosphaeriaceae using established and novel markers.
  • Unraveling legume anthracnose pathogens.
  • Fusarium solani f. sp. piperis the causal agent of fusariosis of black pepper in Brazil is a distinct phylogenetic and biological species in the FSSC.
  • Shotgun poplar disease diagnostic using next gen sequencing.


Virus Characterization

  • Molecular diversity of Citrus tristeza virus in California.
  • The quantity and genetic diversity analysis of Grapevine vein clearing virus in four types of grapevine tissues.
  • Molecular biodiversity of tomato yellow leaf curl disease associated viruses in Saudi Arabia.
  • Next-generation sequencing of grapevines showing redleaf symptoms implicates a leafhopper-transmissible DNA virus in the family Geminiviridae
  •  Genome analysis and biological characterization of Moroccan pepper virus (MPV), and reclassification of Lettuce necrotic stunt virus as MPV.


Monday, August 12, 2013
10:15 - 11:30 a.m.


Bacterial Virulence Mechanisms 2

  • Characterization of putative type three effector genes from Acidovorax citrulli, the casual agent of bacteria fruit blotch disease of cucurbit.
  • Do JAZs restrict/assist pathogen entry via stomata?
  • Characterizing DAMP induced innate immune responses in rice.
  • Ralstonia solanacearum degrades hydroxycinnamic acids, a class of plant defense molecules.
  • Internal colonization of lettuce leaves by Xanthomonas campestris pv. vitians is influenced by lettuce cultivar.


Ectomycorrhizal Community Ecology, and Endophytes

  • Variation in ectomycorrhizal community composition along a soil nutrient gradient in montane forest in western Panama.
  • Examining ectomycorrhizal communities in Pinus ponderosa and Pinus contorta in the Deschutes National Forest.
  • Ectomycorrhizal community responses to recurring prescribed fires in yellow pine forests: Effects of fire intervals and season.
  • Ectomycorrhizal communities on pine and oak seedlings converge in the absence of canopy tree influence.
  • Foliar fungal endophytes associated with Cornus (dogwood) species in Japan and North America.


Fungal Genomics and Ecology

  • Transcriptional profiling of sclerotia formation in the soil fungus Rhizoctonia solani.
  • Co-evolution of Mortierella elongata and its endosymbiotic bacterium.
  • Genomic comparison of closely related boreal endophytes.
  • Mosquito midguts and the trichomycete fungi that don’t live there.
  • Sequential utilization of hosts from different fly families by the fungal pathogen Entomophthora muscae.


Resistance to Viruses and Virus Characterization 

  • Efficient “vaccination” of Nicotiana benthamiana and tomato plants using a lab-attenuated strain of Pepino mosaic virus.
  • Implications of host plant resistance against whitefly-transmitted Tomato yellow leaf curl virus in tomato for virus epidemics and management.
  • Resistance to infection by Potato virus Y among selected varieties for improved seed potato production.
  • Complete genome sequence of nuclear citrus leprosis utilizing small RNA deep sequencing.
  • Molecular characterization and detection of Mexican papita viroid.



Tuesday, August 13, 2013 
8:30 - 9:45 a.m.


Fungal Biology

  • Geographic and climatic discontinuity in production of cleistothecia in Podosphaera aphanis.
  • Phytophthorapocalypse: Expanding host range of a Phytophthora hybrid threatens Midwest wildflowers.
  • Mating of Aspergillus flavus x Apsergillus minisclerotigenes hybrids: Are they functionally mules?
  • Identification and characterization of mating type (MAT) alleles in Sclerotinia minor.
  • Mating type distribution and the absense of cleistothecia of Podosphaera macularis in the Pacific Northwest.


Fungal Genetics and Genomics

  • Pandemic, novel, and hybrid genotypes of the amphibian pathogen Batrachochytrium dendrobatidis in the southern Atlantic Rainforest of Brazil.
  • Comparative genomics of the ectomycorrhizal sister-species, Rhizopogon vinicolor and Rhizopogon vesiculosus.
  • Comparative transcriptomics gives insights into mechanisms underlying mycoparasitism in the genus Elaphocordyceps.
  • Epidemiology and ecology of the sudden oak death epidemic: Disease progression and the population genetics of P. ramorum within a CA watershed.
  • Genome-wide patterns of diversity in four lineages of the sudden oak death pathogen, Phytophthora ramorum.


Mechanism of Host and Non-Host Resistance

  • Arabidopsis nonhost resistance genes to defeat Asian soybean rust.
  • Arabidopsis CRT1 dimerizes with itself and some of its family members through the C-terminal domain carrying a coiled-coil motif.
  • Role of humidity and light in the initial stage of Arabidopsis-Pseudomonas interaction.
  • The role of AtBAG6 as a positive regulator of autophagy in fungal pathogen resistance.
  • Host-derived RNA interference targeted to the root-knot nematode parasitism gene 16D10 in tobacco. 


  • Evolutionary trends and inferences for viruses of the Secoviridae: Evidence of an ancient modular evolution.
  • Eight new viruses identified in bioenergy switchgrass.
  • Occurrence and distribution of soybean viruses in Oklahoma.
  • Detection and identification of sweetpotato viruses in North Carolina.
  • Analysis of 3’-terminal region of Papaya ringspot virus-W isolates from southern United States.

Tuesday, August 13, 2013
10:15 - 11:30 a.m.


Diseases of Potato

  • Verticillium dahliae in soil, roots and stems of green manure crops.
  • Genetic differentiation between Verticillium dahliae populations from asymptomatic and symptomatic hosts.
  • Pathogenicity and aggressiveness of Alternaria solani, A. alternata, and A. triticina on potato.
  • Effect of composted cattle manure and separated hog slurry solids on potato early dying and potato yield and tuber quality in Manitoba.
  • Evaluation of the blight decision support system for the integrated management of potato and tomato late blight.


Fungal-Host Transcriptomics


  • Gene regulatory network reconstruction in wheat pathogen Fusarium graminearum.
  • Comparative analysis of Fusarium graminearum on two hosts using next generation sequencing.
  • Histology and transcriptional changes of maize seed infected by Aspergillus flavus and Fusarium verticillioides.
  • Transcriptome analysis of the snow rot pathogen Pythium iwayamai.
  • Improved biomass and altered transcriptome in Medicago truncatula as a result of intra/intercellular colonization by the mycorrhiza Sebacina vermifera.

Fungal Population Biology, Ecology, and Biochemistry

  • Phylogenetic affiliations of marine fungi detected with pyrosequencing and ion semiconductor targeted amplicon sequencing.
  • Testing the effect of Trichoderma volatile organic compounds on Arabidopsis thaliana.
  • Microbial diversity associated with Saharan dust storms: A developing tale of emerging pathogens.
  • Population structure of Aspergillus flavus before and after biocontrol treatment.
  • Production of cell wall degrading enzymes and melanin in response to changes in temperature by Lasiodiplodia theobromae.

Virus-Host Interactions

  • Deletions in the coat protein cistron of Wheat streak mosaic virus induced more severe symptoms than the wild-type virus.
  • RNA-hairpin mediated targeting of AGO2 in Nicotiana benthamiana compromises antiviral silencing of a tombusvirus.
  • Subcellular localization of Panicum mosaic virus proteins reflects the altered host transcriptional profiles in Brachypodium distachyon.
  • Mutations in the Potato leafroll virus non-structural protein p17 impair aphid transmission but do not affect virion assembly.
  • Cauliflower mosaic virus P6 inclusion bodies at the door: Their association with plasmodesmata during expression in Nicotiana benthamiana.

Tuesday, August 13, 2013
2:15 - 3:30 p.m.

Biological Control

  • Evaluation of beneficial bacterial isolates from citrus roots for mitigating huanglongbing damage.
  • Biocontrol potential of endophytic fluorescent Pseudomonas isolated from Salvadora species.
  • Characterization of plant growth-promoting and disease suppressing abilities of certain actinomycetes isolated from groundnut rhizosphere.
  • The use of growth promoting bacteria isolated from wild strawberry for the management of strawberry black root rot.
  • Effect of native-Mexican strains of Bacillus subtilis on melon (Cucumis melo L.) fruit quality and diseases.

Fruit Tree Pathology

  • Characterization of the citrus black spot pathogen and its potential spread in the U.S.
  • Phacidiopycnis washingtonensis: Inoculum availability, persistence and seasonal host susceptibility in Washington apple orchards.
  • A next-generation sequencing approach to identifying the causal agent of funky flower in cranberry.
  • Molecular evaluation of resistibility/susceptibility of Saudi date palm germplasm against Bayoud disease caused by Fusarium oxysporum f. sp. Albedinis.

Fungal Disease Control on Monocots

  • Investigation of quantitative real-time PCR as a mechanism for evaluating the efficacy of experimental fungicides against Septoria tritici.
  • De novo RNA-Seq and bioinformatic analyses uncover genetic determinants of fungicide detoxification in the turfgrass pathogen Sclerotinia homoeocarpa.
  • Heterokaryons of Sclerotinia homoeocarpa exhibit enhanced adaptability to multiple fungicide pressures.
  • A new name for an age-old fungus: Unraveling the mystery of dollar spot disease of turfgrass.
  • Induction of plant defense response by salicylic acid in perennial ryegrass turf against gray leaf spot caused by Magnaporthe oryzae.

Fungal Ecology 2


  • Host specificity of fungal phyllosphere communities of tropical trees.
  • Host-specific relationships between Suillus and Pinus species.
  • It takes a village: New insights on the fungi that raise mycoheterotrophic plants from seedlings to adults.
  • Root mycobiomes: Diversity and plant-host interactions in extreme environments.
  • A multigene phylogeny of Chytridiales (Chytridiomycetes).


  • Mechanisms of adaptation to host rice cells by the blast fungus.
  • Using SSR markers to understand the mechanism of powdery mildew disease resistance in Cornus florida.
  • Susceptibility of corn to stalk rot caused by Fusarium graminearum and mycotoxin mutants.
  • Use of quantitative pyrosequencing to dissect complex pathogen-pathogen interactions.
  • Analysis of transporter responsible for the secretion of fusaric acid from the plant pathogen Fusarium oxysporum f. sp. Vasinfectum.


GenBank, Fungal Digitization & Cell Biology

  • Open Tree of Life: Challenges and progress for the fungi.
  • Digitization of 120,000 fungal collections at the University of Michigan Herbarium as part of the Macrofungi Collection Consortium.
  • Fungal digitization projects.
  • GFP-immunoelectron microscopy of endocytic vesicles of Neurospora crassa.

Pathogen Resistance

  • Fungicide-induced mutagenesis in Monilinia fructicola and implications for resistance management.
  • Mapping Alternaria cucumerina resistance in Cucumis melo.
  • Monitoring for resistance in Botrytis cinerea from strawberry to seven chemical classes of fungicides in the eastern United States.
  • Prevalence and characterization of iprodione and fludioxonil resistance in Botrytis cinerea isolates from small fruits in the southeastern U.S.
  • Investigating genetic mechanisms of decreased sensitivity to iprodione in field isolates of Sclerotinia homoeocarpa

Pest and Disease Management

  • Improving recommendations for grape berry moth and fruit rot management in high brix Niagara grape production.
  • What are the best ways to manage Rhizoctonia solani of sugar beet?
  • Prediction of long-term field resistance of hybrid poplars to Septoria musiva using a greenhouse screening protocol without wounding.
  • Assessments of potential management and environmental factors affecting regional occurrence of potato zebra chip disease.
  • Bio-enhancing seeds and seedlings against damping-off pathogens in vegetable seedlings. 

Wednesday, August 14, 2013
8:30 - 9:45 a.m.

Endophyte Biology

  • Effect of endophyte on tall fescue host plant metabolite levels and gene expression under drought stress.
  • Understanding the spatial scaling of boreal endophytic fungal communities using environmental cloning and ion semiconductor amplicon sequencing.
  • A culture-based and culture-free assessment of the geographic and temporal variation of boreal endophytic and endolichenic fungal communities.
  • Exploring endophyte diversity across the Pooideae.

Fungal Diversity and Dispersal

  • Characterization of Sclerotinia sclerotiorum isolates from USA and South America soybean fields for aggressiveness and mycelial compatibility grouping.
  • Signatures of global dispersal and population structure in Sclerotinia homoeocarpa.
  • Analysis of interregional dispersal of Puccinia striiformis in China using a coalescent method.
  • Genetic diversity in epichloae of Bromus laevipes.
  • Population genomic RAD-Seq characterization of the boxwood blight fungus, Calonectria pseudonaviculata.

Liberibacter Biology

  • Sequencing the metagenome of ‘Candidatus Liberibacter psyllaurous’ associated with tomato psyllid yellows using a BAC library.
  • Transcriptomic, proteomic, and nutritional analyses of potato tissues infected with ‘Candidatus Liberibacter solanacearum’.
  • Transcriptome analysis of ‘Valencia’ sweet orange response to citrus huanglongbing (HLB) infection.
  • Relationship of potato biochemical responses to ‘Candidatus Liberibacter solanacearum’, causal agent of zebra chip, to disease progression.
  • Citrus huanglongbing root loss is independent of phloem plugging and carbohydrate starvation.

Wednesday, August 14, 2013
10:15 - 11:30 a.m.

Basidiomycete Molecular Systematics and Evolution

  • Bioluminescence among North American Armillaria species in response to biotic and abiotic stimuli.
  • Phylogeography and taxonomy of Pluteus section Pluteus (Basidiomycota, Agaricales) in the Northern Hemisphere.
  • Implications of improved taxonomic resolution in polypores—More species, more specialists, longer red lists?
  • Sparassis (Basidiomycota): Transatlantic disjunction and paraphyly.
  • Phylogenetic overview of the Boletineae.

Fungal Diversity and Management

  • Phytophthora fruit rot resistance, population structure, and genetic diversity in a diverse pepper (Capsicum spp.) collection.
  • Investigation of a population of Pythophthora infestans in and near central New York in 2011.
  • Diversity of oomycetes associated with soybean seedling diseases in the U.S.
  • Steaming is a sustainable method to eradicate the quarantine pathogen Phytophthora ramorum from infested nursery soil.
  • Effects of solarization and biocontrol on soilborne Phytophthora spp. in container nurseries. 


Liberibacter Biology and Detection

  • Publicly available website for the identification of psyllid-‘Ca. Liberibacter’ interactors using comparative transcriptome analysis.
  • Comparative metagenome sequencing of ‘Candidatus Liberibacter solanacerum’ haplotypes A and B reveals hypervariable phage-like regions.
  • Development and application of scFv for ‘Ca. Liberibacter asiaticus’, the pathogen associated with huanglongbing.
  • Development of ‘Candidatus Liberibacter solanacearum’ haplotyping assay.
  • Development of a home detection kit for ‘Candidatus Liberibacter asiaticus’ (LAS) associated with citrus huanglongbing from psyllids. 


Wednesday, August 14, 2013
1:00 - 2:15 p.m.

Fungal Genomics 1

  • Genone-wide mutation dynamic within a long-lived individual of Armillaria.
  • Population genomics of plant-associated model Ascomycota species.
  • Genome-wide signature of adaptation in a recently introduced pathogen.
  • Fungal lifestyle and host association as drivers of fungal metabolism.
  • The genome of the fern pathogen Mixia osmundae reveals hints about its cryptic biology. 


  • Effect of intermittent pre- and post-anthesis moisture patterns on Fusarium head blight, deoxynivalenol, and fungal biomass in wheat.
  • Characterization and field detection of Cryptococcus flavescens strains, biocontrol agents against Fusarium head blight of wheat.
  • Comparison of the Fusarium species composition between a New England and Chinese salt marsh affected by dieback and climate change.
  • Fusarium decemcellulare associated with cushion gall and dieback of tropical trees in Brazil and Mexico.
  • Microbial disease complex of sweetpotato (Ipomoea batatas L. Lam.) tip/end rot. 


Population Genetics

  • Population divergence in the wheat leaf rust fungus Puccinia triticina is correlated with wheat evolution.
  • Genetic polymorphism of Puccinia arachidis.
  • Evolution of virulence in Puccinia striiformis f. sp. tritici (Pst) on genes for adult-plant resistance in soft and hard winter wheat cultivars.
  • Population genetic analyses of Verticillium dahliae from lettuce indicates regular introduction of novel genotypes.
  • Race-specific PCRs for Verticillium dahliae reveal a high frequency of race 2 strains in spinach seed. 

Resistance and Defence Pathway Identification

  • Molecular characterization of rice blast resistance genes using a recombinant inbred population derived from a cross of Nipponbare and 93-11.
  • Identification of loci for resistance to Sclerotinia stem rot in a perennial relative of soybean.
  • The activation of ethylene and jasmonic acid pathways in apple rootstock during Pythium ultimum infection.
  • Expression profiling and evolution of pathogenesis related genes in maize and teosinte in response to Ustilago maydis.


Wednesday, August 14, 2013
2:45 - 4:00 p.m.

Disease Control Alternatives

  • Trunk and soil applications of imidacloprid, thiamethoxam and acibenzolar-S-methyl for SAR control of citrus canker on young fruiting citrus trees.
  • A field trial to evaluate HLB tolerance and resistance in Citrus and citrus relatives.
  • Competitiveness of field QoI-resistant isolates of Alternaria alternata, the causal agent of Alternaria brown spot (ABS) of tangerine.
  • Rhizoctonia spp. dynamics and optimal timing of glyphosate application to cereal cover crops to manage onion stunting in Washington and Oregon.
  • Increasing the mobility and stability of nematicides using plant viral nanoparticles.

Fungal Genomics 2

  • One genome, two genomes, one thousand genomes.
  • 1000 Fungal Genomes project.
  • Diverse lifestyles and strategies of plant pathogenesis encoded in the genomes of eighteen Dothideomycetes fungi.
  • Large-scale genomic and transcriptomic analysis of mycorrhizal fungi.
  • Genetic and epigenetic profiling of Fusarium graminearum following serial subculture.

Host Resistance

  • Field screening of diverse Brassica germplasm identifies high level resistance against white leaf spot disease.
  • Screening sorghum germplasm for biotic and abiotic stress tolerance and potential use of selected physiological traits as disease severity predictors.
  • Response of near isogenic sorghum lines, differing at the P locus for plant color, to grain mold and head smut fungi.
  • Peanut mini core collection at ICRISAT: A reality in identifying multiple disease resistance sources.
  • Evaluation of cassava genotypes against cassava mosaic disease using morphological and molecular markers.

Pest and Disease Management on Apple

  • Sensitivity of Erwinia amylovora in Illinois apple orchards to streptomycin, kasugamycin, and copper.
  • Control of fire blight (Erwinia amylovora) with trunk injection of the maximum seasonally allowed doses of SAR inducers and antibiotics in apple trees.
  • Stability and fitness of pyrimethanil-resistant phenotypes of Penicillium expansum from apple.
  • CYP51A1 upstream anomalies and overexpression in myclobutanil and difenoconazole resistant Venturia inaequalis isolates.
  • Efficay of foliar applications of a phosphite fungicide for control of apple scab, caused by Venturia inaequalis.

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