2016 Fiscal Year Final Research Report
New strategy for prevention of frost damage to plants
| Project/Area Number |
15K14667
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Plant protection science
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| Research Institution | Hokkaido University |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Keywords | 凍霜害防止 / 氷核形成細菌 / 氷核形成阻害物質 / 過冷却促進物質 / ドロップレット凍結法 / リーフディスク凍結試験法 / ササ / チャノキ |
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| Outline of Final Research Achievements |
The crude extracts of plant leaves (65 species) were examined in this research revealed that they showed various levels of anti-ice nucleation activity (supercooling activity). In particular, the leaf extracts of Picea glehnii, Brassica juncea (red mustard), Sasa senanensis, Salix bakko, Laurus nobilis, Citrus sudachi, Perilla frutescens, Camellia sinensis, and Taraxacum officinale showed relatively high anti-ice nucleation activity by droplet freezing assays. Anti-ice nucleation effects were clearly shown on leaves by using our new leaf-disc freezing assay system. Application of plant extracts in a tea plantation is in consultation.
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| Free Research Field |
農学
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