关键词: 杏鲍菇, 三维重建, 形态特征, 力学特性, 表型变异系数

Abstract: In view of the lack of physical characteristics of Pleurotus eryngii, the morphological characteristics of Pleurotus eryngii were determined and the mechanical properties were tested. The 3D model of Pleurotus eryngii was obtained by using 3D laser scanner. The model was analyzed and the parameters of morphological characteristics were obtained. The compression, shear and bending tests of Pleurotus eryngii were carried out with a texture meter, and the elastic modulus, compressive strength and shear strength of the head, middle and tail of Pleurotus eryngii, as well as the flexural strength and bending elastic modulus of the whole root were obtained under different loading speeds. The results showed that the morphology of Pleurotus eryngii was wide at both ends and narrow in the middle, and the coefficient of volume phenotypic variation was 38.06%, indicating that the morphological differences of different Pleurotus eryngii were significant. Under different loading speeds, the compressive strength and elastic model of the center of Pleurotus eryngii were higher than those of the head and tail, while the shear strength was between the head and tail, and the flexural strength and flexural elastic modulus were about 0.2 MPa and 0.069 MPa, respectively. The experimental results can provide theoretical guidance for Pleurotus eryngii to grasp the end effector.

Key words: Pleurotus eryngii, three?dimensional reconstruction, morphological characteristics, mechanical property, phenotypic variation