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Works (35)

What Explains Hop Growers’ Fungicide Use Intensity and Management Costs in Response to Powdery Mildew?

Phytopathology®
2024-10 | Journal article
DOI: 10.1094/PHYTO-04-24-0127-R
Contributors: Jae Young Hwang; Sharmodeep Bhattacharyya; Shirshendu Chatterjee; Thomas L. Marsh; Joshua F. Pedro; David H. Gent
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Crossref

Detection of Podosphaera macularis in Air Samples by Quantitative PCR

Plant Disease
2024-09-01 | Journal article
DOI: 10.1094/PDIS-04-24-0894-RE
Contributors: David H. Gent; Nanci L. Adair; Ross J. Hatlen; Timothy D. Miles; Briana J. Richardson; Hannah M. Rivedal; Cameron Ross; Michele S. Wiseman
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Open Access and Reproducibility in Plant Pathology Research: Guidelines and Best Practices

Phytopathology®
2024-05 | Journal article
DOI: 10.1094/PHYTO-12-23-0483-IA
Contributors: Niklaus J. Grünwald; Clive H. Bock; Jeff H. Chang; Alessandra Alves De Souza; Emerson M. Del Ponte; Lindsey J. du Toit; Anne E. Dorrance; Jeremiah Dung; David Gent; Erica M. Goss et al.
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Characterization of Powdery Mildew Fungi Affecting Hemp in the Pacific Northwest

PhytoFrontiers™
2024-04-01 | Journal article
DOI: 10.1094/PHYTOFR-07-23-0099-R
Contributors: Hannah M. Rivedal; Michele S. Wiseman; Briana J. Richardson; Stephen T. Massie; Andrea R. Garfinkel; Cynthia M. Ocamb; David H. Gent
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Suppression of Hop Downy Mildew as Influenced by the Timing of Selected Fungicides

Plant Health Progress
2024-01 | Journal article
DOI: 10.1094/PHP-10-23-0086-BR
Contributors: Briana J. Richardson; David H. Gent
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Nitrogen and Sulfur Fertility Practices: Influences on Hop Chemistry, Aroma, and Nitrate Accumulation

Journal of the American Society of Brewing Chemists
2024-01-02 | Journal article
DOI: 10.1080/03610470.2023.2204412
Contributors: David H. Gent; Mary Block; Stephen T. Massie; Claire L. Phillips; Briana J. Richardson; Thomas H. Shellhammer; Kristin M. Trippe; Michele S. Wiseman
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Crossref

Monitoring two-spotted spider mite populations from commercial hopyards in Oregon for resistance to Onager, 2023

Arthropod Management Tests
2024-01-01 | Journal article
DOI: 10.1093/amt/tsae088
Contributors: Alison R Willette; Seth J Dorman; David H Gent; Navneet Kaur; Michelle Brown
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Monitoring two-spotted spider mite populations from commercial hopyards in Oregon for resistance to Zeal, 2022

Arthropod Management Tests
2024-01-01 | Journal article
DOI: 10.1093/amt/tsae087
Contributors: Alison R Willette; Seth J Dorman; David H Gent; Navneet Kaur; Michelle Brown
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Crossref

Gene Expression Clusters Suggest Potential Mechanisms of Resistance to Powdery Mildew in Hop (Humulus lupulus)

PhytoFrontiers™
2023-12 | Journal article
DOI: 10.1094/PHYTOFR-09-22-0098-R
Contributors: Renée L. Eriksen; Michele S. Wiseman; Armando Alcazar Magana; Nikhilesh Dhar; Ralph L. Reed; Jan F. Stevens; David H. Gent; John A. Henning
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Characterization of Podosphaera macularis on the Most Prevalent Hop Genotype in the Pacific Northwest

PhytoFrontiers™
2023-11 | Journal article
DOI: 10.1094/PHYTOFR-02-23-0020-R
Contributors: David H. Gent; Mary Block; Carly R. Cooperider; Michele S. Wiseman
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Evolution of the Genetic Structure of the Didymella tanaceti Population During Development of Succinate Dehydrogenase Inhibitor Resistance

Phytopathology®
2023-11-10 | Journal article
DOI: 10.1094/PHYTO-10-22-0385-R
Contributors: Tamieka L. Pearce; Jason B. Scott; Calum R. Wilson; David H. Gent
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Impact of Infection Timing and Autumnal Fungicide Applications on Perennation of Pseudoperonospora humuli and Severity of Hop Downy Mildew

Plant Disease
2023-11-01 | Journal article
DOI: 10.1094/PDIS-02-23-0268-RE
Contributors: Briana J. Richardson; David H. Gent
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Yard Age, Cultivar Susceptibility, and Spring Pruning Practices as Risk Factors for Overwintering of Podosphaera macularis on Hop

PhytoFrontiers™
2023-09 | Journal article
DOI: 10.1094/PHYTOFR-10-22-0112-R
Contributors: Robert W. Laurie; Briana J. Richardson; Cameron J. Ross; David H. Gent
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Identification of quantitative trait loci associated with R1-mediated resistance to powdery mildew and sex determination in hop (Humulus lupulus L.)

Theoretical and Applied Genetics
2023-07 | Journal article
DOI: 10.1007/s00122-023-04399-7
Contributors: Joshua S. Havill; Briana J. Richardson; Charlie L. Rohwer; David H. Gent; John A. Henning; Gary J. Muehlbauer
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Crossref

A Quantitative PCR Assay for Detection and Quantification of Fusarium sambucinum

Plant Disease
2022-10-01 | Journal article
DOI: 10.1094/PDIS-02-22-0269-RE
Contributors: William J. Thomas; Theodora G. Borland; Darby D. Bergl; Briana J. Claassen; Timothy A. Flodquist; Alexandria S. Montgomery; Hannah M. Rivedal; James Woodhall; Cynthia M. Ocamb; David H. Gent
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Crossref

Temperature Influences on Powdery Mildew Susceptibility and Development in the Hop Cultivar Cascade

Plant Disease
2022-06-01 | Journal article
DOI: 10.1094/PDIS-10-21-2133-RE
Contributors: David H. Gent; Briana J. Claassen; Michele S. Wiseman; Sierra N. Wolfenbarger
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Crossref

Fungicide Physical Mode of Action: Impacts on Suppression of Hop Powdery Mildew

Plant Disease
2022-04-01 | Journal article
DOI: 10.1094/PDIS-10-21-2131-RE
Contributors: Briana J. Claassen; Sierra N. Wolfenbarger; David H. Gent
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Crossref

Delayed Early Season Irrigation: Impacts on Hop Yield and Quality

Journal of the American Society of Brewing Chemists
2022-01-02 | Journal article
DOI: 10.1080/03610470.2021.1915053
Contributors: David H. Gent; Briana J. Claassen; Stephen T. Massie; Claire L. Phillips; Thomas H. Shellhammer; Kristin M. Trippe; Megan C. Twomey
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A Comprehensive Characterization of Ecological and Epidemiological Factors Driving Perennation of Podosphaera macularis Chasmothecia on Hop (Humulus lupulus)

Phytopathology®
2021-11 | Journal article
DOI: 10.1094/PHYTO-11-20-0492-R
Contributors: William A. Weldon; Michelle E. Marks; Amanda J. Gevens; Kimberly N. D’Arcangelo; Lina M. Quesada-Ocampo; Stephen Parry; David H. Gent; Lance E. Cadle-Davidson; David M. Gadoury
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Crossref

First Report of Powdery Mildew Caused by Golovinomyces ambrosiae on Cannabis sativa in Oregon

Plant Disease
2021-09-01 | Journal article
DOI: 10.1094/PDIS-11-20-2455-PDN
Contributors: Michele S. Wiseman; Taylor A. Bates; Andrea R. Garfinkel; Cynthia M. Ocamb; David H. Gent
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Crossref

Predicting Damage to Hop Cones by Tetranychus urticae (Acari: Tetranychidae)

Environmental Entomology
2021-06-18 | Journal article
DOI: 10.1093/ee/nvab008
Contributors: Joanna L Woods; Anne E Iskra; David H Gent; Punya Nachappa
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Development of a Diagnostic Assay for Race Differentiation of Podosphaera macularis

Plant Disease
2021-04 | Journal article
DOI: 10.1094/PDIS-06-20-1289-RE
Contributors: Mary Block; Brian J. Knaus; Michele S. Wiseman; Niklaus J. Grünwald; David H. Gent
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Crossref

Transcriptome-Derived Amplicon Sequencing Markers Elucidate the U.S. Podosphaera macularis Population Structure Across Feral and Commercial Plantings of Humulus lupulus

Phytopathology®
2021-01 | Journal article
DOI: 10.1094/PHYTO-07-20-0299-FI
Contributors: William A. Weldon; Brian J. Knaus; Niklaus J. Grünwald; Joshua S. Havill; Mary H. Block; David H. Gent; Lance E. Cadle-Davidson; David M. Gadoury
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Characterization of Podosphaera macularis Derived from the Hop Cultivar ‘Strata’ and Strata’s Resistance to Powdery Mildew in Oregon

Plant Health Progress
2021-01-01 | Journal article
DOI: 10.1094/PHP-11-20-0095-BR
Contributors: Mary Block; Michele S. Wiseman; David H. Gent
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Crossref

Management of Hop Powdery Mildew in the Context of Recent Advances in Pathogen Ecology and Population Genetics

Plant Health Progress
2021-01-01 | Journal article
DOI: 10.1094/PHP-03-21-0065-SYN
Contributors: William A. Weldon; David H. Gent; David M. Gadoury
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Crossref

High Levels of Insensitivity to Phosphonate Fungicides in Pseudoperonospora humuli

Plant Disease
2020-05 | Journal article
DOI: 10.1094/PDIS-10-19-2067-RE
Contributors: David H. Gent; Mary Block; Briana J. Claassen
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Crossref

Population Diversity and Structure of Podosphaera macularis in the Pacific Northwestern United States and Other Populations

Phytopathology®
2020-05 | Journal article
DOI: 10.1094/PHYTO-12-19-0448-R
Contributors: David H. Gent; Briana J. Claassen; David M. Gadoury; Niklaus J. Grünwald; Brian J. Knaus; Sebastjan Radišek; William Weldon; Michele S. Wiseman; Sierra N. Wolfenbarger
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Crossref

Hop Downy Mildew Caused by Pseudoperonospora humuli: A Diagnostic Guide

Plant Health Progress
2020-01-01 | Journal article
DOI: 10.1094/PHP-10-19-0072-DG
Contributors: Savithri Purayannur; Timothy D. Miles; David H. Gent; Stacey Pigg; Lina M. Quesada-Ocampo
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Cooperation and Coordination in Plant Disease Management

Phytopathology®
2019-10 | Journal article
DOI: 10.1094/PHYTO-01-19-0010-R
Contributors: Jennifer Sherman; Jordan M. Burke; David H. Gent
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Crossref

Genotyping-by-Sequencing Reveals Fine-Scale Differentiation in Populations of Pseudoperonospora humuli

Phytopathology®
2019-10 | Journal article
DOI: 10.1094/PHYTO-12-18-0485-R
Contributors: David H. Gent; Nanci Adair; Brian J. Knaus; Niklaus J. Grünwald
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Crossref

Genome Sequencing and Transcriptome Analysis of the Hop Downy Mildew Pathogen Pseudoperonospora humuli Reveal Species-Specific Genes for Molecular Detection

Phytopathology®
2019-08 | Journal article
DOI: 10.1094/PHYTO-11-18-0431-R
Contributors: A. Rahman; E. Góngora-Castillo; M. J. Bowman; K. L. Childs; D. H. Gent; F. N. Martin; L. M. Quesada-Ocampo
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Prediction of Spread and Regional Development of Hop Powdery Mildew: A Network Analysis

Phytopathology®
2019-08 | Journal article
DOI: 10.1094/PHYTO-12-18-0483-R
Contributors: David H. Gent; Sharmodeep Bhattacharyya; Trevor Ruiz
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Crossref

Multiple mutations across the succinate dehydrogenase gene complex are associated with boscalid resistance in Didymella tanaceti in pyrethrum

PLOS ONE
2019-06-20 | Journal article
DOI: 10.1371/journal.pone.0218569
Contributors: Tamieka Lee Pearce; Sabrina Sarrocco; Calum Rae Wilson; David Hugh Gent; Jason Barry Scott
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Crossref

Risk Factors for Bud Perennation of Podosphaera macularis on Hop

Phytopathology®
2019-01 | Journal article
DOI: 10.1094/PHYTO-04-18-0127-R
Contributors: David H. Gent; Walter F. Mahaffee; William W. Turechek; Cynthia M. Ocamb; Megan C. Twomey; Joanna L. Woods; Claudia Probst
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Crossref

Identification of Resistance to Powdery Mildew in Publicly Available Male Hop Germplasm

Plant Health Progress
2018-01-01 | Journal article
DOI: 10.1094/PHP-05-18-0027-RS
Contributors: David H. Gent; Briana J. Claassen; Megan C. Twomey; Sierra N. Wolfenbarger
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