| Project/Area Number |
11660043
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (C)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 一般 |
|---|
| Research Field |
植物保護
|
|---|
| Research Institution | Chiba University |
|---|
Principal Investigator |
AMANO Hiroshi Faculty of Horticulture, Chiba University Professor, 園芸学部, 教授 (00143264)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
TAKAFUJI Akio Kyoto University, Graduate School of Agriculture, Professor, 大学院・農学研究科, 教授 (50026598)
|
|---|
| Project Period (FY) |
1999 – 2001
|
| Project Status |
Completed (Fiscal Year 2001)
|
| Budget Amount *help |
¥3,600,000 (Direct Cost: ¥3,600,000)
Fiscal Year 2001: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2000: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 1999: ¥1,500,000 (Direct Cost: ¥1,500,000)
|
|---|
| Keywords | Phytoseiid mites / Natural enemy / Spider mites / Species abundance / Biocontrol agent / Geographical distribution |
|---|
| Research Abstract |
Distribution and abundance of Japanese native phytoseiid mites were investigated during the seasons from 1999 to 2001. Surveys were mainly focused on geographical areas where mite fauna was little known such as Eastern Hokkaido, Tohoku, Shin'etsu, Chugoku, Shikoku, Southern Kyushu and Ishigaki Island. Numbers of species and specimens collected and identified from each area were as follows : Eastern Hokkaido(62 specimens of 5 species), Tohoku(903 specimens of 18 spp.), Shin'etsu(978 specimens of 21 spp.), Chugoku ＆ Shikoku(857 specimens of 21 spp.), Southern Kyushu(53 specimens of 6 spp.) and Ishigaki Island(111 specimens of 16 spp.). Mites from Ishigaki Is. included 1 new species and 2 new records in Japan. Based on these results as well as known distribution of each species, Japanese native fauna of predacious phytoseiid mites can be categorized into three groups : species with overall distribution(ex. A. womersleyi and P. nipponicus), species with northern origin(ex. A. tsugawai and A. finlandicus) and species with southern origin(ex. A. eharai and A. okinawanus).
|
