plant health progress (php) fic journal of applied plant

Plant Health Progress (PHP) is a peer-reviewed, multidisciplinary, scientific journal of applied plant health. An official APS journalfounded in 2000, and an online-only resource offered by the Plant Management Network, its goal is to publish new scientific

information to enhance the health, management, and production of agricultural and horticultural crops.

EDITOR-IN-CHIEF:Chandrasekar S. Kousik, USDA Agricultural Research Service, 2700 Savannah Hwy., Charleston, SC 29414 U.S.A.

Phone: +1.843.402.5316 n E-mail: shaker.kousik@usda.gov

Volume 22, Number 4, 2021

REVIEW

421 An Examination of Apple Powdery Mildew and the Biologyof Podosphaera leucotricha from Past to PresentDavid A. Strickland, Kathie T. Hodge, and Kerik D. Cox

SYMPOSIUM

433 19th Annual Melhus Symposium: Data DrivenPlant HealthRobin A. Choudhury and Sydney E. Everhart

436 Detection of Soilborne Disease Utilizing Sensor Technologies:Lessons Learned from Studies on StemRot of PeanutXing Wei, Marcela Aguilera, Rachael Walcheck, Dorothea Tholl,Song Li, David B. Langston Jr., and Hillary L. Mehl

445 Examining Spatial Distribution and Spread of Fire Blight inApple Orchards: Two Case StudiesAnna Wallis and Kerik D. Cox

450 Management of Hop Powdery Mildew in the Context ofRecent Advances in Pathogen Ecology andPopulation GeneticsWilliam A. Weldon, David H. Gent, and David M. Gadoury

459 Multifaceted Insights on Fusarium Head Blight in SmallGrains in PennsylvaniaMa�ıra R. Duffeck, Emerson M. Del Ponte, and Paul D. Esker

465 Prevention and Detection of Fungicide ResistanceDevelopment in Rhizoctonia zeae from Soybean and Cornin NebraskaNikita Gambhir, Srikanth Kodati, Matthew Huff, Fl�avio Silva,Olutoyosi Ajayi-Oyetunde, Margaret Staton, Carl Bradley,Anthony O. Adesemoye, and Sydney E. Everhart

RESEARCH

470 Greenhouse Data Suggest That Growth Stage ImpactsPhomopsis Stem Canker Severity Associated with Diaporthegulyae on Sunflower (Helianthus annuus)Renan Guidini, Nathan Braun, Mammen Korah,Laura F. Marek, and Febina M. Mathew

474 Evaluation of Geranium Cultivars and Biorational Productsto Control Botrytis Blight in the GreenhouseSunil Shrestha and Mary K. Hausbeck

483 Soybean Yield Loss Estimates Due to Diseases in the UnitedStates and Ontario, Canada, from 2015 to 2019Carl A. Bradley, TomW. Allen, Adam J. Sisson,Gary C. Bergstrom,Kaitlyn M. Bissonnette, Jason Bond,Emmanuel Byamukama, Martin I. Chilvers, Alyssa A. Collins,John P. Damicone, Anne E. Dorrance, Nicholas S. Dufault,Paul D. Esker, Travis R. Faske, Nicole M. Fiorellino,Loren J. Giesler, Glen L. Hartman, Clayton A. Hollier,Tom Isakeit, Tamra A. Jackson-Ziems, Douglas J. Jardine,Heather M. Kelly, Robert C. Kemerait, Nathan M. Kleczewski,Alyssa M. Koehler, Robert J. Kratochvil, James E. Kurle,Dean K. Malvick, Samuel G. Markell, Febina M. Mathew,Hillary L. Mehl, Kelsey M. Mehl, Daren S. Mueller,John D. Mueller, Berlin D. Nelson, Charles Overstreet,G. Boyd Padgett, Paul P. Price, Edward J. Sikora, Ian Small,Damon L. Smith, Terry N. Spurlock, Connie A. Tande,Darcy E. P. Telenko, Albert U. Tenuta, Lindsey D. Thiessen,Fred Warner, William J. Wiebold, and Kiersten A. Wise

496 Maize Seed Contamination and Seed Transmission of MaizeChlorotic Mottle Virus in KenyaEsther N. Kimani, Samuel. M. Kiarie, Cyrus Micheni,Laureen G. Muriki, Douglas. W. Miano, Isaac Macharia,Gary P. Munkvold, William M. Muiru, B. M. Prasanna,and Anne Wangai

503 Impact of Foliar Fungicides on Disease and Silage Qualityof Brown Midrib Corn Hybrids in WisconsinHannah Reed, Brian Mueller, Carol L. Groves,and Damon L. Smith

509 Species and Trichothecene Genotype of PathogensCausing Fusarium Head Blight of Wheat inNebraska, U.S.A.Esteban Valverde-Bogantes, Andreia Bianchini,Stephen N. Wegulo, and Heather E. Hallen-Adams

Plant Health Progress (ISSN 1535-1025) is published by The American Phytopathological Society. 3352 Sherman Court, Suite 202, St. Paul, MN 55121+1.651.454.7250 • https:apsjournals.apsnet.org

Article Publication Charges are mandatory to cover publication costs. Fees are set by the governing council of The American Phytopathological Society. Submitmanuscripts electronically following the instructions provided on the APS Information for Authors page. Submission requires the paper is not submitted elsewhere.

516 Fumigating Citrus with Phosphine Does Not ImpactMarketability or Eating QualityDavid Obenland, James R. Cranney, Steve Tebbets,Spencer Walse, and Mary Lu Arpaia

524 Fusarium Species Associated with Root Rot of Lentil(Lens culinaris) in North DakotaKim Zitnick-Anderson, Taheni Gargouri Jbir, Adam Carlson,Shawn Postovit, Julie Pasche, and Audrey Kalil

529 Survival of Xanthomonas cucurbitae in Different CropRotations, Plant Debris, andWeeds in Pumpkin FieldsSalisu Sulley, Sarah R. Hind, and Mohammad Babadoost

536 Optimizing a Seedling Screening Method for AnthracnoseResistance in WatermelonEdgar Correa, Kevin Crosby, and Subas Malla

544 First Report ofMacrophomina phaseolina, Fusariumbrachygibbosum, and Lasiodiplodia theobromae CausingFungal Watermelon Vine Decline in Southwestand West-Central FloridaCristina Pisani, Scott Adkins, William W. Turechek,Pragna C. Patel, and Erin N. Rosskopf

552 Resistance to Charcoal Rot Identified WithinSoybean Cyst Nematode Resistant AccessionsAlemu Mengistu, Nacer Bellaloui, and Prakash Arelli

SURVEY

560 A Survey of Plant-Parasitic Nematodes in Illinois CornFields, 2018 and 2020Jaeyeong Han, Alison L. Colgrove, N. Dennis Bowman,Nathan E. Schroeder, and Nathan M. Kleczewski

BRIEF

565 First Report ofMycosphaerella dearnessii,Teleomorph of Lecanosticta acicola, in EuropeNebai Mesanza, M�onica Hern�andez, Rosa Raposo,and Eugenia Iturritxa

567 First Report of Powdery Mildew Caused by Podosphaeramacularis on Hemp in OregonTaylor A. Bates, Mary H. Block, Michele S. Wiseman,Andrea R. Garfinkel, David H. Gent, and Cynthia M. Ocamb

570 Detection of the G143A Mutation in the Cytochrome b Geneof Corynespora cassiicola Isolates from Soybeanin TennesseeTyler M. Smith, Heather Y. Kelly, and Kurt H. Lamour

573 First Report ofAlternaria alternata and Fusarium spp. CausingBrown Apical Necrosis inWalnut Fruit in Southern ChileErnesto A. Moya-Elizondo, Mar�ıa Jos�e Lagos,Juan San Martin, and Braulio Ruiz

575 New Mexico Chile Pepper Producers Are Affected by aDiverse Verticillium dahliae Population That IncludesMany Race 2 Strains That Break Ve1-MediatedResistanceMaxim Radionenko and Stephen F. Hanson

DIAGNOSTIC GUIDE

578 A Diagnostic Guide for Volutella Blight AffectingBuxaceaeXiao Yang, Vanina L. Castroagud�ın, Margery L. Daughtrey,Andrew L. Loyd, Jerry E. Weiland, Nina Shishkoff,Fulya Baysal-Gurel, Luisa Santamaria,Catalina Salgado-Salazar, James A. LaMondia,Jo Anne Crouch, and Douglas G. Luster

591 Strawberry Green Petal Disease: A Diagnostic GuideAnne-Sophie Brochu, Douglas Rodr�ıguez-Mart�ınez,Charles Goulet, and Edel P�erez-L�opez

RECOVERY PLAN

596 Recovery Plan for Tar Spot of Corn, Caused byPhyllachora maydisCamila Rocco da Silva, Jill Check, Joshua S MacCready,Amos E. Alakonya, Robert Beiriger, Kaitlyn M. Bissonnette,Alyssa Collins, C. D. Cruz,Paul D. Esker, Stephen B. Goodwin,Dean Malvick, Daren S. Mueller, Pierce Paul, Richard Raid,Alison E. Robertson, Emily Roggenkamp, Tiffanna J. Ross,Raksha Singh, Damon L. Smith, Albert U. Tenuta,Martin I. Chilvers, and Darcy E. P. Telenko

617 ERRATUM

618 ERRATUM

Cover Caption: Fruit rot symptoms and signs of Phytophthora blight caused by Phytophthora capsicion eggplant and pumpkin (Parada-Rojas et al.) Photo credit: Christine D.Smart and Zachariah Hansen, respectively. Microscope images of P. capsici. Photo credit: Camilo H. Parada-Rojas and Lina M. Quesada-Ocampo.