| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
Papilio machaon hippocrates larvae are pests of plants of the family Apiaceae. LC-MS analysis of the regurgitant of P. machaon hippocrates larvae revealed a great increase in α-linolenic acid (α-LA) in the regurgitant compared with the FAs contained in the leaves. After α-LA treatment to leaves, induced defensive reactions, i.e., release of volatile compounds such as α- pinene (possible induced indirect defense) and the accumulation of secondary metabolites such as falcarinol and bergapten (possible induced direct defense) were observed. These findings highlight the role of α-LA in the interaction between P. machaon hippocrates larvae and Apiaceae host plants.
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