No.46 (1995)

TATSUKI, S. : Use of Sex Pheromones : Future Prospects and Problems 1

SATO, K., SATO, T., SAITO, H., SONODA, R., ASHIZAWA, T., NAITO, H. and NEMOTO, H. : Distribution of Pathogenic Races of Rice Blast Fungus as a Result of the Recent Change of Cultivars in Yamagata Prefecture 6

TAKEDA, S. : Regional Classification of Rice Blast Disease Occurrence in Iwate Prefecture by Multivariate Analysis 8

HANZAWA, S., NEMOTO, K., ENDO, Y., ARAKAWA, I. and HASHIMOTO, A. : Estimation of Extensive Development of Rice Blast Disease by Aerial Colour Photograph 12

IKEDA, A. and HOSAKA, M. : Effective Concentration of Fthalide for Preventing Rice Leaf Blast and Influence of Rainfall on the Chemicals Residues 15

OSADA, S., TATSUNO, E., HASEGAWA, E., SHIMA, H. and YAMAMOTO, S. : Control of Rice Blast in Paddy Field by Nursery Box Application of Tricyclazole 1. Control Effect on Leaf Blast 18

TATSUNO, E., OSADA, S. HASEGAWA, E. SHIMA, H. and YAMAMOTO, S. : Control of Rice Blast in Paddy Field by Nursery Box Application of Tricyclazole 1. Behavior of Tricyclazole Residue in Rice Leaves 21

TSUKIJI, K., TAKEDA, S. and URAKAWA, F. : Regional Division based on Occurrence of Rice Sheath Blight Disease in Iwate Prefecture Recent Years 24

OHTA, K. : Forecasts Based on Simulation Model for Rice Sheath Blight 8. Judgement to the Need for Fungicide Application 26

OSADA, S. : Effect of False Smut Occurrence on Yield and Quality of Rice 30

KATSUBE, K., SATO, K., SHIRAKAWA, T. and TAKEDA, S. : Occurrence of Bacterial Palea Browning Disease of Rice in Iwate Prefecture 1. Characteristics of Bacterial Isolates 33

OSADA, S. : The Outbreak of Rice Yellow Dwarf in Miyagi Prefecture 36

ISOGAI, M., UYEDA, I., KIMURA, I., KAJINO, Y., HAGITA, T. and TORIYAMA, S. : Occurrence of Rice Black-Streaked Dwarf Fijivirus in Hokkaido 38

NAKAJIMA, T. and NAITO, S. : Effects of Soil Types on the Disease Severity of Pink Snow Mold in Winter Wheat 42

TORIKURA, H. : Notes on "Kasuri-ha" Symptoms, Yellow Streaked Leaves of Winter Wheat 1. Factors Affecting the Occurrence of Symptoms 45

MIZUKOSHI, T. : Influence of the Preservation Conditions of Soybean Leaves infected with Soybean Dwarf Virus to the Absorbance on Enzyme-linked Immunosorbent Assay 50

OHTO, Y. and NAITO, S. : Cylindrocladium Root Rot, a New Disease of Broad Bean (Visia faba L.) caused by Cylindrocladium floridanum Sobers et Seymour 53

NAGASAWA, J., NAITO, S. and NAKAJIMA, T. : Germination Ability of Sclerotia of Rhizoctonia solani Kuhn AG-1 IA on Corn Stalk 56

TAKAHASHI, K., UMEMURA, Y., SATO, N. and KATO, M. : Simple Methods for Assessing Scab Resistance of Potato 1. Screening of Seedlings for Resistance by Spray-inoculating Young Plants 59

TAKAHASHI, K., UMEMURA, Y., SATO, N. and KATO, M. : Simple Methods for Assessing Scab Resistance of Potato 2. Assessment Using Artificially Infested Soil and Inoculation of Etiolated Sprouts 63

ANDO, Y. and AKASAKA, Y. : Simple Diagnosis for Bacterial Wilt, Bacterial Canker and Fusarium Wilt of Tomato by Using Three Selective Media 68

UENO, K. and SAKUMA, H. : The Occurrence of Fusarium Wilt of Tomato Caused by Fusarium oxysporum f. sp. lycopersici Race J2 in Yamagata Prefecture 72

KANEMATSU, S. and NAITO, S. : Distribution of Three Cucurbit Viruses in Yamase Area 75

SIMIZU, M. and NAKANO, M. : A Method of Field Test for Screening of Onion Varieties Resistant to Fusarium oxysporum f. sp. cepae 78

KANNO, H. and OSADA, S. : Occurrence of Strawberry Wilting Diseases in Miyagi Prefecture 81

SONODA, T., KAJI, K. and URAGAMI, A. : Inoculation Method for Stem Blight of Asparagus 84

OZAKI, K., TAKAHASHI, K. and SHIRAKAWA, T. : Long-Term Preservation of Sphaerotheca fuliginea by Freezing 88

SUZUKI, K., SAITO, A., CHAUMPLUK, P., OKUMURA, A. and HIKICHI, Y. : Infection Route of Cucumber Mosaic Virus in Gentian 3) Detection of CMV from Stems at Cutting after Harvest 91

HORITA, H. : Occurrence of Bacterial Blight on Lilac in Hokkaido Prefecture 95

YUKITA, K. : Differences of Apple Cultivars in Infection with Valsa Canker through Fruit-scars and Pediceles left behind on Bourse at Harvest 101

NAKAZAWA, N. : Seasonal Variation of Apple Fruit Susceptibility to Sooty Blotch 105

KIDOKORO, T. : Seasonal Adaptation of Rice Grasshopper, Oxya yezoensis Shiraki, for Cool and Hot Summer Year in Miyagi Prefecture 107

IITOMI, A. : Oviposition Site of Sogatella furcifera (Horvath) on Rice Plant in Northern Japan 111

MATSUDA, M., FUJIMURA, T. and KOSHIMEGURI, Y. : Relation between the Low-Level Jet Stream and Immigration of the White- Backed Planthopper, Sogatella furcifera (Horvath), into Aomori Prefecture, Northern Honshu of Japan 115

OHTOMO, R., IIMURA, S., TSUKIJI, K. and KAWAMURA, R. : Occurrence of Rice-Plant Skipper, Parnara guttata (Lepidoptera : Hesperiidae) of Iwate Prefecture in 1994 123

SHIBUYA, S. : Partial Control of Rice Water Weevil Lissorhoptrus oryzophilus Kuschel, (Coleoptera, Curculionidae) by Chemical 3. Control by Burried Application Chemical in Relation to Maximum Flying Imigration Period 127

IWASAKI, A., NAKAO, H. and FURUKAWA, K. : On the Gramineae-Feeding Agromyza Species (Diptera : Agromyzidae) Caught in and around the Paddy and Wheat Field in Hokkaido 130

OKUBO, T. : Prediction of the Date of the First Capture of Alate Foxglove Aphid in Yellow Water Pan Trap and the Number Trapped in June in Tokachi District, Hokkaido 133

MIZUKOSHI, T. : Distribution of Alate Virginopara of the Foxglove Aphid, Aulacorthum solani (Homoptera ; Aphididae), Migrated from Hibernaculum in Kidney Bean Fields 138

MIZUKOSHI, T. and KAKIZAKI, M. : Influence of Trichomes on Kidney Bean Leaves to the Development of the Foxglove Aphid, Aulacorthum solani (Homoptera ; Aphididae) 142

KANEKO, J. : Supercooling Point of the Diamondback Moth, Plutella xylostella L. : Seasonal Variations in Field collecting Individuals and Differences by Stage in Rearing Ones 147

NODA, T. : A Simple Method for Collecting Eggs of the Diamondback Moth Plutella xylostella (L.) 153

KIKUCHI, O. : Species of Thrips and Infected Stage of Carnation Flower Bud 156

KIKUCHI, O. : Control of Thrips Infesting Carnation Flower 158

WATANABE, K. : Occurrence of Lygocoris (Apolygus) lucorum (Meyer-Dur) (Heteroptera : Miridae) and Damage on Cherry 161

SASAKI, M. and SATO, R. : Bionomics of the Cherry Drosophila, Drosophila suzukii Matsumura (Diptera : Drosophilidae) in Fukushima Prefecture. 1. Drosophila Injured on Cherry Fruit 164

SASAKI, M. and SATO, R. : Bionomics of the Cherry Drosophila, Drosophila suzukii Matsumura (Diptera : Drosophilidae) in Fukushima Prefecture. 2. Overwintering and Number of Generations 167

SASAKI, M. and SATO, R. : Bionomics of the Cherry Drosophila, Drosophila suzukii Matsumura (Diptera : Drosophilidae) in Fukushima Prefecture. 3. Life Cycle 170

ABE, Y., OKABE, Y., SATO, R. and SASAKI, M. : Bionomics and Control of Rhopalosiphum insertum (Walker) (Homoptera : Aphidiae) on Apple Trees. 1. Occurrence of Rhopalosiphum insertum on Apple Trees in Fukushima Prefecture 173

SATO, R., SASAKI, M., ABE, Y. and OKABE, Y. : Bionomics and Control of Rhopalosiphum insertum (Walker) (Homoptera : Aphididae) on Apple Trees. 2. Sampling Plan for Eggs of Rhopalosiphum insertum Based on Spatial Distribution 175

SATO, R. and SASAKI, M. : Bionomics and Control of Rhopalosiphum insertum (Walker) (Homoptera : Aphididae) on Apple Trees. 3. Effects of Several Insecticides on Rhopalosiphum insertum 178

HAYAKAWA, H. : Seasonal Appearance of Dung Beetles in the Pasture on the Outskirts of Morioka City in Iwate Prefecture 180

HAYAKAWA, H. and KIKUCHI, T. : Survey of Tabanid Flies Infesting Cattle in Grazing Forest at Nishine-machi in Iwate Prefecture 183

HAYAKAWA, H. and TANAKA, K. : Capturing Tabanid Flies by a Modified Tabanid Fly Trap (Dry Type) of Tohoku Natl. Agric. Exp. Stn. at Yoshinotani-mura in Ishikawa Prefecture 185

YAMASHITA, N. and HAYAKAWA, H. : Efficacy Test of Pyrethroid Insecticides against Vespula flaviceps lewisii 187

FUJIMURA, T. : Injuries to Transvaal Daisy Caused by Two Tarsonemid Mites, Phytonemus pallidus (Banks) and Polyphagotarsonemus latus (Banks), in Aomori Prefecture 190

AIBA, S. and MATSUZAKI, M. : Effect of Organic Amendments on Parasitic Fungi for Eggs of Soybean Cyst Nematode (Heterodera glycines) in Fields of Continuously Cropping Legumes 194

AIBA, S. and MITSUI, Y. : Effects of Some Legumes on Hatching of Eggs of Soybean Cyst Nematode (Heterodera glycines) 197

CHIBA, T. and ODANAKA, A. : A New Water Evaluation Trial by Benthos Index of a Little River Flowing through a Paddy Region in Iwate Prefecture 200