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Annual Report of the Society of Plant Protection of North Japan:
Contents
NAKAMURA, K. : Effectiveness of Bird Scarers and Evaluation Methods of Scarers 1 HONDA, H., HONMA, T., SATO, T. and NAITO, H. : Distribution of Pathogenic Races of Rice Blast Fungus in Recent Years in Yamagata Prefecture 5
SASAHARA, M., OSADA, S. and NAITO, H. : Distribution of Pathogenic Races of Pyricularia oryzae in Cultivated Area of Sasanishiki BL of Miyagi Prefecture in 1996 8
ASHIZAWA, T., ZENBAYASHI, K., SONODA, R. and KOIZUMI, S. : Pathogenic Races of Pyricularia grisea Isolated from Sasanishiki Multiline Cultivars in 1995 and 1996 and their Pathogenic Variants 12
ASHIZAWA, T., ZENBAYASHI, K., SONODA, R. and KOIZUMI, S. : Estimation of Suitable Mixed Planting Ratio of Sasanishiki Isogenic Lines to Control Rice Blast Disease by Seedling Trap 15
YANASE, M. and TAKEDA, T. : Development Factors and Control Methods of Rice Blast Disease in an Area Favorable for the Disease Occurrence 19
NAKAJIMA, T., KOBAYASHI, T. and ISHIGURO, K. : Predisposing Effect of Low Temperature on Susceptibility of Rice to Leaf Blast in Major Varieties of Tohoku District 24
KOIZUMI, S. and TANI, T. : A Method for Evaluating Field Resistance to Panicle Blast in Rice Cultivars Using Cut Panicles 27
KATSUBE, K. and TAKEDA, S. : Effect of Copper Content in Seed Disinfectants on Control Efficacy against Bacterial Seedling Rot and bacterial seedling blight of rice 33
KATSUBE, K. and TAKEDA, S. : Increase in Severity of Bacterial Seedling Blight of Rice with Soil Drenching of Fungicides 37
OYAMA, J. and HAYASHI, K. : Occurrence of Rice Sheath Blight Disease in the Non-tillage Transplanting Rice Culture 40
HAYASAKA, T. and HONDA, H. : The Action Threshold of Rice Sheath Blight in Yamagata Prefecture 42
TANAKA, T. and TAMURA, O. : Occurrence of Fusarium Wilt of Netted Melon Caused by Fusarium oxysporum f. sp. melonis Race 0 in Hokkaido 45
SIMIZU, M. : Occurrence of Root Rot of Lettuce Caused by Fusarium oxysporum f. sp. lactucae in Hokkaido 51
ISHIZAKA, N. and TAKAHASHI, K. : The Flower Infection of Onion by Botrytis cinerea 54
YAMAUCHI, N. and ABIKO, K. : Suppression of Damping-off of Cabbage Plug Seedlings by Water Control and Chemical Application 57
SASAKI, J. and HORITA, H. : Occurrence of Spotted Wilt of Sweet Pepper Caused by Tomato Spotted Wilt Virus in Hokkaido 61
OSADA, S., SHIOMI, T. and TANAKA, M. : Phytoplasma Diseases of Vegetable Occurring in Miyagi Prefecture 1. Occurrence of Japanese Hornwort Witchesf Broom, Garland Chrysanthemum Witchesf Broom and Water Dropwort Yellows and Host Range of the Causal Phytoplasma 65
OSADA, S., TANAKA, M., UEHARA, T. and MATSUDA, I. : Phytoplasma Diseases of Vegetable Occurring in Miyagi Prefecture 2. Occurrence of Spinach Yellows 69
KANEMATSU, S., HIDAKA, S., MURAYAMA, T. and ISHIGURO, K. : A Chrysanthemum Stunt Viroid Isolated in Sagae, Yamagata Prefecture 73
ASARI, M. : Effect of Fungicide Sprays on Apple Moldy Core in Blooming Period 76
OHBA, S., KANNO, H. and KIKUCHI, H. : Control of Pear Fruit Rot by Apple Bordeaux Mixture Spray Calendar 82
OHBA, S., KANNO, H. and KIKUCHI, H. : The Infection of Physalospora Canker on Pear Fruit in Early Fruit Thickening 85
OGATA, T., KATSUMATA, H. and HAYASHI, S. : Occurrence of Dothiorella Rot on Quince Fruits 88
KANNO, H. and HONKURA, R. : Gray Mold of Malabar Nightshade(Basella rubra L.), Parsley(Petroselinum crispum Nym.), Bishopfs Weed(Ammi majus L.)and Blue Lace Flower(Didiscus caeruleus DC.)Caused by Botrytis cinerea 91
HORITA, H. : Effect of Temperatures on Infection of Carnation Alternaria Blight and Heterosporium Leaf Spot, and Host Range of the Pathogens, Alternaria dianthi and Heterosporium echinulatum 96
IITOMI, A. : Yearly Fluctuations in the Occurrence of Sogatella furcifera Horvath (Hemiptera : Delphacidae)in Akita, Japan 100
KONNO, Y. : Mating-Choice and Host Preference Tests in the Rice-Feeding and Water-oat-Feeding Types of the Rice Stem Borer, Chilo suppressalis Walker(LepidopteraFPyralidae) 102
KONNO,Y. and DOMON, K. : Fenitrothion Resistance and Carboxylesterase Isozyme Pattern in the Rice Stem Borer, Chilo suppressalis Walker(LepidopteraFPyralidae), Collected from Yamagata Prefecture 105
KIDOKORO, T. and KONDOH, Y. : Farmerfs Awareness of the Occurrence and Abundance of the Rice Grasshopper in Tohoku District 109
YAZAWA, Y. and KIDOKORO, T. : Developmental Characteristics of the Rice Grasshopper in Miyagi Prefecture, Field and Laboratory Observations 113
KONNO, Y. : Color Variation and Insecticide Susceptibility in Females of the Rice Grasshopper, Oxya yezoensis(Orthoptera : Catantopidae) 117
TOGAWA, H. and MIZUKOSHI, T. : Susceptibility of the Garden Pea Leafminer, Chromatomyia horticola Goureau(Diptera ; Agromyzidae), Infesting Garden Pea, Pisum sativum L., to the Six Foliar Sprays 121
MIZUKOSHI, T. : Possibility of Long-Range Migration of the Stone Leek Miner, Acrolepiopsis sapporensis Matsumura(Lepidoptera : Acrolepiidae), on the Daily Pheromone Trap Cathes in Spring 124
ONODERA, K. and IWASAKI, A. : Observations of Egg Parasitoid, Trichogramma spp. Parasitizing Eggs of Cabbage Armyworm, Mamestra brassicae on Sugar Beet in Hokkaido 129
IWASAKI, A., ONODERA, K. and FURUKAWA, K. : Control of Cabbage Armyworm, Mamestra brassicae Linne, by Inundative Release of Egg Parasitoid, Trichogramma spp. in Hokkaido 134
KAKIZAKI, M. and SUGIE, H. : Investigation on Sex Pheromone Trap for the Yellowish Elongate Chafer, Heptophylla picea Motschulsky(Coleoptera : Scarabaeidae) 140
KAKIZAKI, M. : Seasonal Occurrence of Male Adults of the Yellowish Elongate Chafer, Heptophylla picea Motschulsky(Coleoptera : Scarabaeidae), by the Sex Pheromone Trap 143
IWASAKI, A. : Major Injury Period of Adzuki Bean Seeds by Tarnished Plant Bug, Lygus rugulipennis Poppius 146
SAKURAI, K. and KUWAHARA, M. : An Artificial Diet for Mass Rearing of the Seed-corn Maggot, Delia platura(Meigen) 150
UMETSU, Y. and NAGANO, T. : The Outbreak of Acanthoplusia agnata(Staudinger)in Soybean Fields, in Miyagi Prefecture 153
MASUDA, T. : Seasonal Occurrence and Control of Japanese Udo Salad White Weevil, Dermatoxenus caesicollis(Gyllenhal) 156
OKADA, H. : Rearing of Larva of Yellow Striped Flea Beetle, Phyllotreta striolata Fabricius, with Fresh Leaves of Crucifer Vegetables 161
SHIBUYA, S. and TAKEUTI, M. : Yellow Color Attraction of Western Flower Thrips(Frankliniella occidentalis PERGANDE)Prior to Flowerring Period in Chrisanthemum(Chrysanthemum morifolium) 164
OKUBO, T. : A Gall-inducing Cynipid Wasp, Diplolepis fukudae(Shinji)on the Japanese Rose, Rosa rugosa Thunb., and its Hymenopterous Parasitoids 167
ARAKAWA, A. and OKAZAKI, K. : Hymenopterous Parasitoids of the Peach Leafminer, Lyonetia clerkella(LINNAEUS)in Fukushima Prefecture 170
FUNAYAMA, K. : Susceptibility to Herbicides in Two-Spotted Spider Mite, Tetranychus urticae Koch(Acari : Tetranychidae) by Oral Administration Method 173
SASAKI, M. and ITO, K. : Overwintering Sites of the Two-spotted Spider Mite, Tetranychus urticae Koch in Aizu District of Fukushima Prefecture 175
SASAKI, M. and ITO, K. : Migration of the Two-spotted Spider Mite, Tetranychus urticae Koch that Overwintered under the Rough Bark of the Trunk 177
HASEGAWA, T., YAMASHITA, N. and IWANE, K. : A Survey of Biting Midges(Culicoides : Ceratopogonidae : DIPTERA)at Japanese Deer Ranch in Mt. Natsumushi, Southern Part of Iwate Prefecture 180
SASAKI, H., SATO, T., AKIYAMA, K., and HAYASHI, S. : Blood Source Animals of Mosquitoes, Black Flies and Tabanid Flies Collected in Hidaka District, Hokkaido 185
SASAKI, H. and SHIRAKAMI, K. : A Survey on Biting Midges and Mosquitoes at the Reindeer Farm in Horonobe, Hokkaido 188
SASAKI, H. and IWAMA, N. : Effects of Forest Grazing on the Fauna of Ground Surface Inhabiting Insects 191
KANAGAWA, M. and FUJISAKI, Y. : The Assessment of Grazing Influences of Birds on the Growth and Yield of Barley by the Leaf Cutting Method 196