2014 Fiscal Year Final Research Report
Development of desirable cultivars by utilization of wild species in Pelargonium section Hoarea
| Project/Area Number |
24580045
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Horticulture/Landscape architecture
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| Research Institution | Ehime University |
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Principal Investigator |
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Keywords | Pelargonium属 / Hoarea節 / コルヒチン処理 / 種間交雑 / 組織培養 / 花色 / 花色素 |
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| Outline of Final Research Achievements |
The aim of this study was to develop new commercial cultivars of Pelargonium, using wild species in Pelargonium section Hoarea, including some that have great potentials as breeding materials. Colchicine treatment to the leaf of in vitro plantlets and regenerated calli of P. rapaceum (Hoarea section) was carried out. Three tetraploid strains were induced. Although they did not produce large flowers, I propose an initial protocol for colchicine treatment to produce tetraploids of P. rapaceum. Reciprocal crosses between P. oblongatum (Hoarea section) and P. fulgidum (Ligularia section) were performed. Regardless of the seed parent, seeds could be obtained, and F2 and BC1 progeny, which was crossed with P. oblongatum, were also produced. In these progenies, the characteristics of P. oblongatum were observed in the color and pigment of flower and the shape of a plant. Therefore these progenies could be useful as breeding materials for producing promising new cultivars in Pelargonium.
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| Free Research Field |
農学
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