ANNUAL REPORT OF THE SOCIETY OF PLANT PROTECTION OF NORTH JAPAN

Online ISSN : 2185-4114
Print ISSN : 0368-623X
ISSN-L : 0368-623X

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Issue 38 Pages 1-

Volume 1987, Issue 38

Displaying 1-50 of 61 articles from this issue

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A Way to Discovery of a Potent Attractant from the Host Selection Studies

Yoshiharu MATSUMOTO

1987 Volume 1987 Issue 38 Pages 1-4
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.1

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Variation in Virulence and Aggressiveness of Mutation Isolates in Rice Blast Fungus

Masataka IWANO

1987 Volume 1987 Issue 38 Pages 5-9
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.5

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Biological Control of Blast Disease through Resistance of Rice Plant induced by Incompatible Strain of Blast Fungus

Masataka IWANO

1987 Volume 1987 Issue 38 Pages 10-11
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.10

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Races of Rice Blast Fungus isolated from Omagari, Senboku area and Sannai-Village of Akita Prefecture in 1986

Jia Lui LI, Yoshikatsu FUJITA

1987 Volume 1987 Issue 38 Pages 12-13
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.12

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Relationship between the Occurrence of Spikelet Blast and the Lapse of Day after Heading of Some Rice Varieties with Different Resistance Genes and Different Level of Field Resistance

Osamu HORINO, Keisuke SHINDO

1987 Volume 1987 Issue 38 Pages 14-18
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.14

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Fungicide Sensitivity of Pyricularia oryzae Cavara to IBP, EDDP and Isoprothiolane

Ryoso HONKURA, Takashi INOUE, Toshio OIKAWA

1987 Volume 1987 Issue 38 Pages 19-22
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.19

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Distribution of Fungiside Resistant Strains of Pyricularia oryzae Cavara in Small Area

Ryoso HONKURA, Hideaki TSUJI, Yoshio MIURA

1987 Volume 1987 Issue 38 Pages 23-25
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.23

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Yield Loss by Transplantation of Elongated Rice Seedlings Infected with Bakanae Disease Fungus

Hozumi SUZUKI, Shoji TAKAHASHI, Yoshikatsu FUJITA, Ryoichi SONODA

1987 Volume 1987 Issue 38 Pages 26-28
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.26

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Distribution of Benomyl-resistant Strains of Gibberella fujikuroi (Sawada) S. Ito in Aomori Prefectur and Effect of Seed-treatment Fungicides on Control of Benomyl-resistant Strains

Keiji OHTA, Teruki IMAI, Ken OIKAWA, Keise SHIMADA

1987 Volume 1987 Issue 38 Pages 29-32
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.29

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Influence of the Wetting Period of Leaf Sheath on the Lesion Development of the Sheath Blight of rice plant Caused by Rhizoctonia solani KÜHN

Shin-ichi TAKEDA, Katsumi OGAWA

1987 Volume 1987 Issue 38 Pages 33-35
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.33

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The Development of Sclerotium Diseases of the Rice Plant in Consolidated Paddy Field

Tomiichi TAKEDA, Hisao TOHKAIRIN, Yasuhisa FUJITA

1987 Volume 1987 Issue 38 Pages 36-37
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.36

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Control of Rice Stripe Disease in Miyagi Prefecture

Toshimitsu NAGANO, Ryoso HONKURA, Yuichiro FUJISAKI, Satomi SATO

1987 Volume 1987 Issue 38 Pages 38-39
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.38

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Studies on the Ecology of Bacterial Canker of Tomato

3. Dissemination of Causal Bacteria from Contaminated Seeds and Seedlings in the Nursery Bed

Tsugio SASAKI

1987 Volume 1987 Issue 38 Pages 40-42
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.40

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In the nursery bed. contaminated seeds and seedlings were confirmed to be important as a source of infection of bacterial canker. Waterdrops on the contaminated seedlings contained causal bacteria on the concentration of 10³-11⁷ CFU/ml, and sprinkling was considered to facilitate the dissemination of bacterial canker. Several chemicals were tested, but nothing were effective for controlling bacterial canker of tomato.

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Studies on the Ecology of Bacterial Canker of Tomato

5. Relations Between Occurrence of Symptoms and Growth of Pathogenic Badteria in Solanaceous Plants

Tsugio SASAKI

1987 Volume 1987 Issue 38 Pages 43-44
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.43

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Relations between occurrence of symptoms and growth of pathogenic bacteria were studied by root-dipping inoculation to several solanaceous plants. Plants which supported an increased growth of pathogenic bacteria in great quantity were considered to be susceptible to the bacterial canker, and those on which the pathogenic bacteria could grow less than the foregoing to be less susceptible. Another group of plants which supported the constant level of the bacteria were concluded to be resistant and the last group on which the bacteria could not grow to be the most resistant.

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Studies on the Ecology and Control of Leaf Spot of Strawberry

I. Occurrence of Leaf Spot and Tenperatul Response of the Pathogenic Fungus, Mycospherella fragariae (Tul.) Lindau

Toshio MASUDA, Ryoso HONKURA, Masataka MAEDA, Yoshiaki OTOMO

1987 Volume 1987 Issue 38 Pages 45-47
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.45

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The First Occurrence of Downy Mildew on Salt-Wort (Salsola komarovii Iljin) in Japan

Kouichi ISAWA, Mitsuo OYAMADA

1987 Volume 1987 Issue 38 Pages 48-50
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.48

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In 1982 downy mildew of salt-wort (Salsola komarovii Iljin) was found for the first time in farmers field of Dewa Yamagata in Japan.
The causal fungus was indentified as Peronospora sp. and was proved by the inoculation test to be infect to Suaeda asparagoides Makino and Salsola komarovii Iljin in the Chenopodiaceae plants.

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The Chemical Control of Downy Mildew of Salt-Wort by Peronospora sp.

Kouichi ISAWA, Seiichi HIRAYAMA, Tadashi KIMURA

1987 Volume 1987 Issue 38 Pages 51-53
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.51

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The fungicides were tested for evaluating the preventive and curative effects on the downy mildew of salt-wort (Salsola komarovii Iljin).The fungicides of Polycarbamate and Fosetyl wattable powder were effective for the control of disease. In the both fungicides, the preventive effect were higher than the curative effect. The possibilty of seed transmission of the downy mildew of salt-wort was discused.

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Mycocentrospora acerina (Hartig) Deighton, Conidial State of the Causal Fungus of Black Root Rot of Carrot in Japan

Ken OIKAWA, Hirotaka KUWATA, Keise SHIMADA

1987 Volume 1987 Issue 38 Pages 54-56
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.54

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Black root rot of carrot, which was characterized by dark, ellipsoidal and somewhat sunken lesions on toproots, was recorded from Aomori Prifecture, northern-Honshu, Japan (Kuwata et al. 1983). The causal fungus had provisionally been identified as Scytalidium sp. because no conidial state, was confirmed. Recently the conidial state was found on both artificial media and lesions of naturally infected roots. Conidia were obclavate-acicular, elogate, straight or curved, 110-250×6-12μm, 6-12 septate, hyaline or sometimes pald-brown, smooth and usually with a basal appendage. Pathogenicity to leaves, stems and roots of carrot was confirmed with inoculation of conidial suspension. Conidial state of the causal fungus was identified as Mycocentrospora acerina (Hartig) Deighton.

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Efficient Identification of F. oxysporum f. sp. raphani using Daikon seedling

Seiichi TAKECHI

1987 Volume 1987 Issue 38 Pages 57-59
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.57

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Population Growth of Uredium of Puccinia allii on Welsh Onion Leaves in the Paddy Field

Seiko KIMURA, Koichi KODAMA

1987 Volume 1987 Issue 38 Pages 60-62
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.60

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Studies on the Ring Rot of Apples

5. Difference in Susceptibility to the Disease among Apple varieties

Shigeaki HAYASHI, Masafumi OCHIAI

1987 Volume 1987 Issue 38 Pages 63-64
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.63

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Effects and Treatments of Eradicant Fungicides on Trunk Lesions Formed by Causal Fungus of the Ring Rot of Apples

Shoichi SATO, Fusaharu NAKATANI, Takeshi HIRARAGI

1987 Volume 1987 Issue 38 Pages 65-67
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.65

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Occurrence of Canker of Dwarfed Apple Trees Caused by Phomopsis mali

Fusaharu NAKATANI, Takeshi HIRARAGI

1987 Volume 1987 Issue 38 Pages 68-71
Published: November 10, 1987
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DOIhttps://doi.org/10.11455/kitanihon1966.1987.68

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Redused sensitivity to captan of Alternaria mali Roberts

Masahiko OSANAI, Nobutake SUZUKI, Chimao FUKUSHIMA, Yahei TANAKA

1987 Volume 1987 Issue 38 Pages 72-74
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.72

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Effect of Organic Materials Application to the Soil on Root-infecting Fungi

5. Antagonism against Four Soil-born Pathogens of the Microorganisms Isolated from Silkworm-feces and the Soil Applied Silkworm-feces

Takao MITSUEDA, Hiroshi HANEDA, Iwao MATSUZAKI

1987 Volume 1987 Issue 38 Pages 75-76
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.75

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Effect of Organic Materials Application to the Soil on Root-Infecting Fungi

6. Effects of Antagonistic Microorganisms Application to the Soil on Occurrence of the Soil-born Diseases

Iwao MATSUZAKI, Hiroshi HANEDA, Takao MITSUEDA

1987 Volume 1987 Issue 38 Pages 78-79
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.78

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Analysis of Yield Loss Caused by The Rice Water Weevil, Lissorhoptrus oryzovhilus KUSCHEL in Yamagata Prefecture

Kazuhiro WATANABE, Takashi SAITOH, Shuichi ENDO, Takashi SHOJI

1987 Volume 1987 Issue 38 Pages 80-82
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.80

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A Yield Decrease on Rice by Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL, in Miyagi Prefecture

Yuichiro FUJISAKI, Toshimitsu NAGANO, Toshiaki TAKANO, Takashi KIDOKOR ...

1987 Volume 1987 Issue 38 Pages 83-84
Published: November 10, 1987
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DOIhttps://doi.org/10.11455/kitanihon1966.1987.83

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Flight Muscle Development and Immigration of the Rice Water Weevil. Lissorhoptlus oryzophilus, in Relation to Day-degree Accumulation

Mitsuyoshi TAKEDA, Toru NAGATA

1987 Volume 1987 Issue 38 Pages 85-89
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.85

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Flight muscle development in the adults of the rice water weevils, Lissorhoptrus oryzophilus, overwintering at the hibernation sites was investigated in relation to their immigration into the paddy fields. Muscle development and immigration was closely correlated with day-degree (DD) accumulation necessary for 50% of the adults to develop their flight muscle exceeding 156μm. Immigration peak occurred when cumulative percentage of DD reached 70-80%. Distribution of immigrated adults within the paddy fields was aggregate with higher density at the edges of the paddy in the early immigration period but distribution changed into random after DD attained 100%.

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Rice Water Weevil, Lissorhoptrus oryzophilus KUSCHEL, parasitized by Green muscadine fungus, Metarhizium sp.

Toshimitsu NAGANO, Yuichiro FUJISAKI, Ryoso HONKURA, Toshio OIKAWA

1987 Volume 1987 Issue 38 Pages 90-91
Published: November 10, 1987
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DOIhttps://doi.org/10.11455/kitanihon1966.1987.90

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Reproduction of the White-backed Planthopper, Sogatella furcifera Horvath on the Late-season Culture of Rice

Akiyasu IITOMI

1987 Volume 1987 Issue 38 Pages 92-95
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.92

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Population dynamics of the white-backed plant-hopper, Sogatella furcifera Horvath on the late-season culture of rice was studied over three years from 1984 to 1986 in Akita Prefecture. The population developed peak density in the first generation from late July to early August and declined thereafter throughout' the three years. The density of S. furcifera on the late-season culture was consistently higher than that on the main-season culture, which was caused by host-preference of the adults of immigrant generation to younger rice plant. No significant difference was observed in the reproductive rates of S. furcifera between the two crops planted in different season.

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Migration of the white-Backed Planthopper, Sogatella furcifera HORVATH, to Aomori Prefecture in 1985 and 1986

Etsumu ARAYA, Takehiko FUJIMURA, Toshiyuki KIMURA, Tadao ITHITA

1987 Volume 1987 Issue 38 Pages 96-100
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.96

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Yield Losses of Rice caused by Sucking on the Small Brown Planthopper, Laodelphax striatellus Fallén

Takashi SAITO, Hiroshi FUSE

1987 Volume 1987 Issue 38 Pages 101-102
Published: November 10, 1987
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DOIhttps://doi.org/10.11455/kitanihon1966.1987.101

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Seasonal Fluctuation of Antibiosis to the Green Rice Leafhopper, Nephotettix cincticeps, in the Resistant Parent Lines of Rice

Mitsuyoshi TAKEDA, Toru NAGATA

1987 Volume 1987 Issue 38 Pages 103-106
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.103

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Seasonal fluctuation in the antibiosis with growth stage of the resistant parent lines of rice to the green rice leafhopper, Nephotettix cincticeps, was investigated. The level of antibiosis in ‘Norin PL-5, ’ and ‘Norin PL-6’ was initially high from 2nd-Ieaf stage until the 5th-leaf stage declining in subsequent stages but increased from August until maturity while ‘Norin PL-2’, ‘Kanto PL-6’ and ‘Aichi No.42’ exhibited high level of antibiosis from the 2 nd-leaf stage until the 4 th-leafstage declining in subsequent stages but increased in mid August and then decreased slowly. The highest level of antibiosis was observed for the latter group of parent lines two weeks before the heading period. It was suggested that laboratory test for antibiosis using leaf blade should be conducted in August and September for the former group of parent lines and in mid August for the latter group.

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Wireworms Infested on Maize Plants at the Tokachi District in Hokkaido

Hirofumi HAYAKAWA, Hitoshi TSUTSUI, Chie GOTO

1987 Volume 1987 Issue 38 Pages 107-108
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.107

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Varietal Difference of Azuki bean and Kidney bean in Susceptibility to the Races of the Soybean Cyst Nematode, Heterodera glycines Ichinohe, 1952

Kei SHIMIZU, Yasushi MITSUI

1987 Volume 1987 Issue 38 Pages 109-110
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.109

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By inoculation experiment in green house all varieties examined in Azuki bean and kidney bean showed resistant to the population of soybean cyst nematode which had a difficulty to propagation to the soybean variety named“Toyosuzu” regardless of the races amoung I and III.

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Studies on the Biology and Control of the Seed-corn Maggot

4. Effect of Application Methods of Insecticides on Control of the Seed-corn Maggot in Soybeans

Hirofumi HAYAKAWA, Hitoshi TSUTSUI, Chie GOTO

1987 Volume 1987 Issue 38 Pages 111-112
Published: November 10, 1987
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DOIhttps://doi.org/10.11455/kitanihon1966.1987.111

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Correlations between Atomospheric Temparatures in July to September and Injury of Cultivars of the Soy Bean by the Soy bean Pod Borer, Leguminivora glycinivorella MATSUMURA

Etsumu ARAYA, Tadao ICHITA, Takehiko FUJIMURA

1987 Volume 1987 Issue 38 Pages 113-116
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.113

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Control of the Foxglove Aphid, Aulaeorthum solani KALTENBACH, on Potato Plants by Low Volume Application of Insecticides

Hitoshi TSUTSUI, Hirofumi HAYAKAWA, Chie GOTO, Yoshiyuki HARA, Yoshimi ...

1987 Volume 1987 Issue 38 Pages 117-120
Published: November 10, 1987
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DOIhttps://doi.org/10.11455/kitanihon1966.1987.117

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Scarabd Beetles as Soil Insect Pests Captured by a Light Trap at the Upland Farming Center of the Tokachi District in Hokkaido

Hirofumi HAYAKAWA, Hitoshi TSUTSUI, Chie GOTO

1987 Volume 1987 Issue 38 Pages 121-124
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.121

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Effects of Light Sources and Setting Positions on the Number of Phytophagous Scarab-Beetles Attracted by Light Traps

Katsuyuki KOHNO, Kazuo HIRAI, Kazuo KEGASAWA

1987 Volume 1987 Issue 38 Pages 125-126
Published: November 10, 1987
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DOIhttps://doi.org/10.11455/kitanihon1966.1987.125

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Relationship between the Damage of Sugar Beet by the Spotted Cutworm and the Vegetational Environment in and around Fields

Hitoshi TSUTSUI, Hirofumi HAYAKAWA, Chie GOTO

1987 Volume 1987 Issue 38 Pages 127-128
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.127

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Control of Cabbage Armyworm, Mamestra brassicae Linné, on Sugar Beet by Low Volume Application of Insecticides

Chie GOTO, Hitoshi TSUTSUI, Hirofumi HAYAKAWA, Yoshiyuki HARA, Yoshimi ...

1987 Volume 1987 Issue 38 Pages 129-132
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.129

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Estimation of the Hibernating Areas of the Diamond-back Moth, Flutella xylostella LINNE, in the Tohoku District

Kenichiro HONDA, Yosio MIYAHARA

1987 Volume 1987 Issue 38 Pages 133-134
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.133

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The mortality of P. xylostella larvae and pupae, when the insects were kept under the about 1 m-depth snow in Morioka city, reached 82% after 33days under the snow, and none of them survived until 75 days after in this condition. This species is not considered to hibarnate in Morioka city where the normal value of the continuous snow cover duration (CSCD) is 79. 8days. So it was concluded that one of major factors which makes the hibernation of-this insect impossible in Morioka city is over-2-month continuous coldness caused by the continuous snow cover. In most parts of the Tohoku district, where the normal values of CSCD are as long as in Morioka city, the hibernation of P. xylostella would be impossible.

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Overwintering of the Diamondback Moth, Plutella xylostella LINNÉ in Aomori Prefecture

1. Field Research on Survivors after Winter

Toshiyuki KIMURA, Takehiko FUJIMURA, Etsumu ARAYA

1987 Volume 1987 Issue 38 Pages 135-137
Published: November 10, 1987
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DOIhttps://doi.org/10.11455/kitanihon1966.1987.135

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A field research was carried out to elucidate whether the diamondback moth overwintered in Aomori where was covered with the snow for three months during the winter. Survived moths were sought on cabbage plants in the spring of 1983 to 1985 and no living larvae or pupae werc found out in tweenty-eight fields surveyed.

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Overwintering of the Diamondback Moth, Plutella xylostella LINNÉ, in Aomori Prefecture

2. Overwintering of Adults, Larvae and Pupae Released in a Field or in a Glass House before Winter

Toshiyuki KIMURA, Takehiko FUJIMURA, Etsumu ARAYA

1987 Volume 1987 Issue 38 Pages 138-140
Published: November 10, 1987
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DOIhttps://doi.org/10.11455/kitanihon1966.1987.138

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Before winter, Larvae, pupae and adults of the diamondback moth were set, on cabbage p lants in a field or in a glass house with no heater. The cabbage plants were covered with gauze to prevent the moths from dispersing. After the winter no survivors were found out in a field, but in a glass house a larva and a pupa were alive in 1984 and a large number of moths in 1985, particularly numerous in the case of the secoud or third instar larvae set before winter.

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Overwintering of the Diamondback Moth, Plutella xvlostella LININE, in Aomori Prefecture

3. Mortality of the Second Instar Larvae under the Snow

Toshiyuki KIMURA, Takehiko FUJIMURA, Etsumu ARAYA

1987 Volume 1987 Issue 38 Pages 141-142
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.141

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The second instar larvae of the diamondback moth were kept under the snow and dead larvae were counted every ten days. Most of thelarvae died on seventy days after that treatment. I t seems thatthe larvae under. the snow were prohibited feeding a diet by the low temperature conditions and destined to die.

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Seasonal Prevalence of Occurrence of Onion and Seed-Corn Flies, Hylemya antiqua and H. platura (Diptera: Anthomyiidae) Using by the Attractant Mixture of 2-phenylethanol and n-Valeric Acid

Masaaki TSUTSUMI, Yasushi MITSUI

1987 Volume 1987 Issue 38 Pages 143-145
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.143

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Comparison of seasonal attractancy between grinding onion bulbs and 2phenylethanoln-valericacid mixture showed that the latter was similar to the former in capturing onion fly and the latter was supperior by about 2.2 times in the seed-corn fly. Captured female to male ratio of onin fly ranged 1: 1.2 to 1: 1.9 and of seed-corn fly ranged 1: 1.3-1: 3.6 and there were no difference between these attractants. Development stage of ovaries were almost completely egg stage and did not different by these attractants. The chemical attractant was useful in monitoring the occurrence of Hylerrzya pests.

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Effects of Baits on Survival and Development of Ovary of Onion Fly (Hylemia antiqua)

Masaaki TSUTSUMI, Yasushi MITSUI

1987 Volume 1987 Issue 38 Pages 146-148
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.146

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Ovary of onion fly in the onion field mostly developed to egg stage and young stage of ovary was rare and developmental stage of ovary was not so different by season except of last ten days of September which ovary development was rather young stage. Development of ovary of onion fly after emergence was recognized 4-11days at temperature of 22°C when baited with honey.l Development of ovary was recognized by absorption of wild grass nectar of llspecies among 24 species. From these observasion, ovary development and survival of adult onion fly were influenced by bait mostly wild grasses nectar around onion field.

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Control of Seed-corn Maggot by Mixing Dichlofenthion with Organic Fertilizer

Yoichi KAZINO, Tsutomu HANADA

1987 Volume 1987 Issue 38 Pages 149-151
Published: November 10, 1987
Released on J-STAGE: August 11, 2011

DOIhttps://doi.org/10.11455/kitanihon1966.1987.149

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[in Japanese]

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