关键词: 节单位, 叶元, 禾本科作物, 三维可视化, 形态建成

Abstract: Phytomer is a basic component unit of cereal crops morphology. It is an extension of modular theory in recognition of morphological structure of gramineous crops, and also one of the research scales of the structure and function of gramineous crops. Based on the modularization property of node unit structure and function, this paper summarized the concept of crop node unit of gramineous crops and its application in studying crop structure and function. Firstly, the development process of nodal unit concept was introduced from the concept of nodal unit. Then, from the perspective of structure and function, the research progress of gramine-based crops was summarized. The study of structure was mainly illustrated from 3 aspects: topological structure, geometric structure and morphological construction. Functional studies were mainly analyzed from the aspects of photosynthetic product distribution, growth period prediction and development process. Finally, the paper prospected the future research on structure and function of gramineous crops based on nodal units in the aspects of standardization, geometric structure reconstruction, phenotypic data extraction and microstructure.

Key words: phytomer, metamer, cereal crops, 3D visualization, morphogical establishment