Development of strains of a native bumblebee in Hokkaido with a high pollinating ability by selective breeding

2014 Fiscal Year Final Research Report

• Project/Area Number: 24380178
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 一般
• Research Field: Boundary agriculture
• Research Institution: Kyoto Sangyo University
• Principal Investigator: NOMURA Tetsuro 京都産業大学, 総合生命科学部, 教授 (50189437)
• Co-Investigator(Kenkyū-buntansha): TAKAHASHI Junichi 京都産業大学, 総合生命科学部, 准教授 (40530027) ; TSUCHIDA Koji 岐阜大学, 応用生物科学部, 教授 (00252122) ; SATO Masahiro 独立行政法人農業・食品産業技術総合研究機構, 畜産草地研究所・家畜育種繁殖領域, 上席研究員 (70370658)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: 受粉昆虫 / マルハナバチ / 選抜育種 / BLUP法 / 分子遺伝

Outline of Final Research Achievements

Following studies were carried out: (1) Taking genetic and reproductive peculiarities in bumblebees, the theory for predicting breeding values by BLUP was explored. (2) Efficiency of selective breeding in a partially isolated bee strain was theoretically evaluated in terms of the inbreeding coefficient and genetic gain by selection. (3) Genetic variation and geographical divergence in Hokkaido populations of a foreign species, Bombus terrestris, and a native species, B. hypocrite sapporoensis, were assessed by analyzing COI region of mtDNA. It was shown that genetic variation of B. terrestris is much smaller than B. h. sapporoensis, presumably because the population of former species has been passed through bottlenecks at several times during the domestication in Europe and invasion into Japan. (4) Wing morphology of B. h. sapporoensis, was investigated to evaluate the amount of geographical divergence.

Free Research Field

動物育種