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| | Hop Powdery Mildew: Management Strategies for the Pacific Northwest |
 | | Hop plants of the highly susceptible cultivar ‘Symphony’ were propagated from greenwood cuttings (6), planted in Sunshine Mix #1 (SunGro Horticulture, Bellevue, WA) in 15-cm pots, and grown under greenhouse conditions. |
 | | Plants were inoculated with a handheld atomizer and placed into growth chambers with a 15h day length (~300 mmol) set at 12, 15, 18, 21, 24, 27, or 30°C. Although it is generally recognized that conidia of many powdery mildews lyse when suspended in water, some powdery mildews, including S. |
 | | Most of the Oregon acreage is planted in varieties that appear to be less susceptible to powdery mildew, while in Washington a high percentage of the acreage is planted to highly susceptible varieties. |
| www.plantmanagementnetwork.org /pub/php/research/hop (3127 words) |
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