Relationship between bending property and density of wheat stem | 小麦茎秆弯曲特性与密度间的关系
2009
Yuan Zhihua, China University of Mining andTechnology (Beijing), Beijing (China), School of Mechanics andCivil Engineering | Li Yingjun, China University of Mining andTechnology (Beijing), Beijing (China), School of Mechanics andCivil Engineering
[Objective] The aim is to research the relationship between bending property and density of wheat stem. [Method] The bending properties such as elastic modulus, bending strength, flexural rigidity, moment of inertia, density and water content of the second base internodes of Zhengmai 9023 and Yumai 25 were determined. [Result] The results show that during filling stage, there are significant differences in the elastic modulus, moment of inertia, flexural rigidity and density among wheat varieties, while there are no significant differences in the bending strength and water content among wheat varieties. The moment of inertia, flexural strength and flexural rigidity have positive relationship to density but negative relationship to water content. [Conclusion] The study results provide some references for the research on high yield cultivation and lodging resistance of wheat.
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