Nagasaka Koukichi

Affiliation and department：
Job title： Leader, Biological Control Research Group

Research field (1)： Conservation science (plants)

Research keywords (4)：防除法 , 天敵利用 , 生態 , 害虫

Research theme for competitive and other funds (3)：

2021 - 2024 Elucidation of the proximate factor that determine the next-generation sex ratio on aphid parasitoid, Ephedrus nacheri
2020 - 2023 アブラムシの一次寄生蜂と二次寄生蜂の寄生関係の制限要因の解明
2015 - 2018 Primary factor inducing the population crash of the introduced species Aphidius colemani in summer season

Papers (74)：

Ryuji Uesugi, Anna Köneke, Takayuki Sekine, Ken Tabuchi, Annette Herz, Hideto Yoshimura, Elias Böckmann, Takeshi Shimoda, Koukichi Nagasaka. Intercropping and flower strips to enhance natural enemies and control aphids: a comparative study in cabbage fields of Japan and Germany. Applied Entomology and Zoology. 2024
A. Köneke, R. Uesugi, A. Herz, K. Tabuchi, H. Yoshimura, T. Shimoda, K. Nagasaka, E. Böckmann. Effects of wheat undersowing and sweet alyssum intercropping on aphid and flea beetle infestation in white cabbage in Germany and Japan. Journal of Plant Diseases and Protection. 2023
Masayoshi Uefune, Junichiro Abe, Kaori Shiojiri, Satoru Urano, Koukichi Nagasaka, Junji Takabayashi. Targeting diamondback moths in greenhouses by attracting specific native parasitoids with herbivory-induced plant volatiles. ROYAL SOCIETY OPEN SCIENCE. 2020. 7. 11
Koukichi Nagasaka, Aki Sagisaka, Seiichi Moriya, Takayuki Mitsunaga. Host-range study about four aphid parasitoid species among 16 aphid species for constructing banker-plant systems. APPLIED ENTOMOLOGY AND ZOOLOGY. 2020. 55. 2. 249-257
NAGASAKA Koukichi, MITSUNAGA Takayuki. Effect of Insect Screen and Ground Cover Sheet on Occurrences of Secondary Parasitoids of Aphids. Annual Report of the Kanto-Tosan Plant Protection Society. 2018. 2018. 65. 103-105

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MISC (125)：

田村澪, 澤田守, 長坂幸吉, 山内智史. 新規参入者における有機農業の経営確立に向けた条件. 関東東海北陸農業経営研究 = Kantō Tōkai Hokuriku journal of farm management / 関東東海北陸農業経営研究会編. 2022. 112. 41-46
長坂幸吉, 長坂幸吉, 光永貴之, 光永貴之, 有本誠, 有本誠, 手塚俊行, 小原慎司, 伊藤健司. Effectiveness of Next Generation Banker Kit Against APhis gossypii on Cucumber in Experimental Greenhouses. 関東東山病害虫研究会報. 2021. 68
長坂幸吉, 長坂幸吉, 光永貴之, 光永貴之, 有本誠, 有本誠, 村上理都子, 村上理都子, 手塚俊行, 小原慎司, et al. Effectiveness of Combination of Next Generation Banker Kit and Nesidiocoris tenuis Against Pest Insects on Eggplant and Tomato in Experimental Greenhouses. 関東東山病害虫研究会報. 2021. 68
光永貴之, 村上理都子, 有本誠, 長坂幸吉. ニホンアブラバチによる施設ナスのワタアブラムシ防除. 日本応用動物昆虫学会大会講演要旨. 2021. 65th
Relationship Between Exposure Period of Bradysia odoriphaga Adults on Yellow Sticky Traps Placed in Fields and Success Rates of PCR Using Species-specific Primers. 2020. 67. 55-58

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Patents (4)：

Books (1)：

Lectures and oral presentations (62)：

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Awards (1)：

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