| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Outline of Final Research Achievements |
Physiological and growth responses under wind and drought treatments were measured for saplings of Chamaecyparis obtusa. And transcriptome which may relate to some stress after these treatments were collected by using RNA-sequencing. Although the frequency of cavitation increased, photosynthetic rate and stomatal conductance didn’t change under wind treatment. Saplings of wind treatment had prevailing laterally extension growth, though there were no significant differences. There were differences in the amount of gene expression level between control and treated trees. For example, expression level of 2572 genes increased in saplings under wind and drought treatment. The frequency of cavitation increased under natural windy conditions, too for a mature tree of Chamaecyparis obtusa. The effects of not only the increases in sap flow but stem shaking on cavitation occurrence were suggested by SEM analysis.
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