NDLI: Mechanical Testing of Tomato Plant Stem in Relation to Structural Composition

Content Provider	Springer Nature Link
Author	Chen, Cheng Guo, Qian Li, Pingping Zhang, Xiliang Xu, Yunfeng Wu, Shuo
Copyright Year	2016
Abstract	As an important biological resource, the development and utilization of tomato plant stem arouse more and more attention. Facing increasingly rare resources and serious environmental protection, it will have more significant meaning to comprehensively use stem resource and research its mechanical properties. This paper takes tomato plant stem as research object to observe and analyze the microstructure of the fibers, and test moisture, tensile and shear mechanical properties of different parts of stem. The results revealed that: (1) Tomato plant stem is a composite material and its microstructure mainly consists of epidermis, cortex, vascular bundle and pith; moreover, it presents on sieve texture with heterogeneous distribution. (2) Cross-sectional area of root is 7.08–23.4 mm$^{2}$, its tensile strength and shear strength are 8.64–17.92 and 4.12–5.26 MPa, respectively, while cross-sectional area of middle is 5.94–20.19 mm$^{2}$ with tensile strength and shear strength being 13.73–22.68 and 2.24–4.38 MPa separately; in terms of top part, its cross-sectional area is between 5.04 and 14.57 mm$^{2}$ with tensile strength and shear strength being 11.86–29.59 and 1.4–4.27 MPa. (3) All tensile stress, tensile strength and elastic modulus from root to top part tend to decrease gradually; in addition, different parts have significant influence on both tensile strength and elastic modulus. (4) Shear stress, shear strength and shear modulus from root to top reduced gradually; besides, each part has extremely obvious impact on shear strength and shear modulus. This research provides necessary experimental data and theoretical basis for the development of harvest and processing machinery for tomato plant stems; moreover, it helps to confirm working parameters when cutting and assists to accelerate the application and promotion of comprehensive utilization of tomato plant stem.
Starting Page	236
Ending Page	245
Page Count	10
File Format	PDF
ISSN	2249720X
Journal	Agricultural Research
Volume Number	5
Issue Number	3
e-ISSN	22497218
Language	English
Publisher	Springer India
Publisher Date	2016-04-18
Publisher Place	New Delhi
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Shear Tensile Mechanical properties Microstructure of fibres Tomato plant stem Biodiversity Biological resource Cell Biology Plant Genetics & Genomics Mechanical test Plant Biochemistry Plant Sciences Plant Ecology
Content Type	Text
Resource Type	Article
Subject	Plant Science Food Science Agronomy and Crop Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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