| Budget Amount *help |
¥15,990,000 (Direct Cost: ¥12,300,000、Indirect Cost: ¥3,690,000)
Fiscal Year 2019: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2018: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2017: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2016: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2015: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
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| Outline of Final Research Achievements |
In this study, I found that some plants locally abscise regions of the leaf that is infected by pathogens, presumably to prevent further spread of the infection. Such a response was found in 11 angiosperm families in 7 orders, mainly distributed in the tropics. This response resembles autotomy in animals, in a sense that an organism gets rid of areas of its body attacked by natural enemies. Localized leaf abscission was found in diverse angiosperm groups ranging from Magnoliales, a member of the basal angiosperms, to Sapindales, Saxifragales, and Gentianales of the eudicots. Pathogens that cause localized leaf abscission is not limited to particular taxonomic groups, and localized leaf abscission can also be induced by insect herbivory and mechanical injury.
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