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Filtering by: Creator Twomey, Megan C. Creator Gent, David H. Rights Statement No Copyright - United States

Distribution and Characterization of Podosphaera macularis Virulent on Hop Cultivars Possessing R6-Based Resistance to Powdery Mildew

Creator:

Wolfenbarger, Sierra N., Massie, Stephen T., Ocamb, Cynthia, Eck, Emily B., Grove, Gary G., Nelson, Mark E., Probst, Claudia, Twomey, Megan C., and Gent, David H.

Abstract:

Host resistance, both quantitative and qualitative, is the preferred long-term approach for disease management in many pathosystems, including powdery mildew of hop (Podosphaera macularis). In 2012, an epidemic of powdery mildew occurred in Washington and Idaho on previously resistant cultivars whose resistance was putatively based on the gene designated R6....

Resource Type:

Article
Pre- and Postinfection Activity of Fungicides in Control of Hop Downy Mildew

Creator:

Gent, David H., Twomey, Megan C., Wolfenbarger, Sierra N., and Woods, Joanna L.

Abstract:

Optimum timing and use of fungicides for disease control are improved by an understanding of the characteristics of fungicide physical mode of action. Greenhouse and field experiments were conducted to quantify and model the duration of pre- and postinfection activity of fungicides most commonly used for control of hop downy...

Resource Type:

Article
Development of Partial Ontogenic Resistance to Powdery Mildew in Hop Cones and Its Management Implications

Creator:

Twomey, Megan C., Wolfenbarger, Sierra N., Woods, Joanna L., and Gent, David H.

Abstract:

Knowledge of processes leading to crop damage is central to devising rational approaches to disease management. Multiple experiments established that infection of hop cones by Podosphaera macularis was most severe if inoculation occurred within 15 to 21 days after bloom. This period of infection was associated with the most pronounced...

Resource Type:

Article

ScholarsArchive@OSU

Distribution and Characterization of Podosphaera macularis Virulent on Hop Cultivars Possessing R6-Based Resistance to Powdery Mildew

Pre- and Postinfection Activity of Fungicides in Control of Hop Downy Mildew

Development of Partial Ontogenic Resistance to Powdery Mildew in Hop Cones and Its Management Implications

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