Epidemiology and Management of Hop Pests and Diseases

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Coccinelidae per leaf/shake sample1.81.6A2.5BC occinelidae per leaf or sha k e1.41.210.80.60.4Non-TreatedSyntheticEarly-SulfurMid-SulfurLate-SulfurA&L per leaf or shake21.510.5Non-TreatedSyntheticEarly-SulfurMid-SulfurLate-Sulfur0.2012-Apr 3-May 24-May 14-Jun 5-Jul 26-JulDate012-Apr 3-May 24-May 14-Jun 5-Jul 26-JulDate
Power Law Relationshipslog(variance)1.61.41.20.80.6y = 0.8373x + 0.4243R 2 0.4= 0.22310.2y = 1.439x + 0.7772R 2 = 0.91670-0.6 -0.4 -0.2 0 0.2 0.4 0.6log(mean)SulfurNon-treatedA32.521.510.50y = 1.795x + 1.1325R 2 = 0.8129y = 1.2481x + 1.08R 2 = 0.9586SulfurNon-treated0 0.2 0.4 0.6 0.8 1log(mean)B
Page 1 and 2: Epidemiology andManagement of Hop P
Page 3 and 4: Compendium of HopDiseases, Arthropo
Page 5 and 6: Overall Project Objective• Integr
Page 7 and 8: • Johnson (1991) GDD predictsemer
Page 9 and 10: 160Accumulated GDD, 2006140120GDD (
Page 11 and 12: Downy Mildew Severity AmongBasal sp
Page 13: hopcucurbitPCR Detection of Downy M
Page 16 and 17: Multi-Gene Phylogeny• Several sin
Page 18 and 19: Type I versus Type II Error?
Page 20 and 21: Air sampling by Burkhard and Rotoro
Page 22 and 23: Pseudoperonospora humuli Sporangial
Page 24 and 25: Basal spikes per hillABasal spikes
Page 26 and 27: Fungicide Effects on Arthropods
Page 28 and 29: Spider mite populations in the uppe
Page 30 and 31: SulfurWater1234
Page 32 and 33: Mite-Fungicide Interactions• Ques
Page 34 and 35: 1210ANon-TreatedMites per leaf864Sy
Page 38 and 39: Hop Aphid Populations inRelation to
Page 40 and 41: Thanks to collaboratorsand cooperat
Page 42 and 43: 1009080702007 WeatherRain Temp RH S
Page 44 and 45: Cone Browning Associated withDiffus
Page 46 and 47: Powdery Mildew Risk Index1. If grea
Page 48 and 49: 1009080702007 WeatherRain Temp RH S
Page 50 and 51: Alternaria alternataFrom Rotem (199
Page 52 and 53: Alternaria Cone Disorder• Associa
Page 54 and 55: Alternaria Cone Disorder2007 Isolat
Page 56 and 57: Powdery Mildew (and Alternaria)Cone
Page 58 and 59: Rate of Mite Increase andCone Damag
Page 60: Red Crown Rot SymptomsCourtesy Tris
Page 69: Red Crown Rot• Phacidiopycnis sp.
Page 72 and 73: Spatial Patterns of Affected Plants
Page 74: Red Crown Rot• Research in Progre

Epidemiology and Management of Hop Pests and Diseases

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