期刊
PLANT BIOTECHNOLOGY
卷 37, 期 4, 页码 471-474出版社
JAPANESE SOC PLANT CELL & MOLECULAR BIOLOGY
DOI: 10.5511/plantbiotechnology.20.1214a
关键词
Arabidopsis thaliana; flexural rigidity; free-vibration test; inflorescence stem; three-point bending test
资金
- MEXT KAKENHI [JP19H05365, JP18H05496, JP18H05484, JP18H05489]
- JSPS KAKENHI [JP19K23753, JP19K06732]
The mechanical strength of a plant stem (a load-bearing organ) helps the plant resist drooping, buckling and fracturing. We previously proposed a method for quickly evaluating the stiffness of an inflorescence stem in the model plant Arabidopsis thaliana based on measuring its natural frequency in a free vibration test. However, the relationship between the stillness and flexural rigidity of inflorescence stems was unclear. Here, we compared our previously described free-vibration test with the three-point bending test, the most popular method for calculating the flexural rigidity of A. thaliana stems, and examined the extent to which the results were correlated. Finally, to expand the application range, we present an example of a modified free-vibration test. Our results provide a reference for improving estimates of the flexural rigidity of A. thaliana inflorescence stems.
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