Journal of Integrated Pest Management (2015) 6 (1 - 18), 1-14
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Survey of northeastern hop arthropod pests and their natural enemies
Journal of Integrated Pest Management 6 (1 - 18), 1-14
Abstract: The commercial production of hops (Humulus lupulus L.) in the northeastern United States is on the rise due to demand from local breweries. Several arthropod pests are economically damaging to hop yield and quality. Due to climate and landscape differences between traditional and resurging hop-growing regions, there is a need for region-specific integrated pest management (IPM). We first review hop pest and natural enemy biology and management strategies. Then the phenology, abundance, and peak date of arthropod pests scouted in seven Vermont hop yards is reported. Documentation of natural enemy abundance is also reported. Our 3-yr survey indicated that hop aphid (Phorodon humuli (Schrank)) populations were highest in the continually cool, wet season. Potato leafhopper (Empoasca fabae (Harris)) was a pest with an unpredictable arrival date and of special concern for first-year hop plants. Twospotted spider mite (Tetranychus urticae Koch) was a pest of concern in hot, dry conditions and after some broad-spectrum pesticide applications aimed at leafhoppers. This survey was the first step toward developing appropriate IPM tactics for modern day northeastern hop production. Further research should be focused on adjusting arthropod pest thresholds, disease management, and developing alternative control options for both arthropod and disease management.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
(original language: English)
Full text of article
Database assignments for author(s): Lilian B. Calderwood
Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution
review
Pest and/or beneficial records:
| Beneficial | Pest/Disease/Weed | Crop/Product | Country | Quarant. |
|---|---|---|---|---|
| Tetranychus urticae | Hop (Humulus lupulus) | U.S.A. (NE) | ||
| Empoasca fabae | Hop (Humulus lupulus) | U.S.A. (NE) | ||
| Phorodon humuli | Hop (Humulus lupulus) | U.S.A. (NE) |
