Screening and Evaluation of Biomechanical Properties and Morphological Characteristics of Peduncles in Foxtail Millet

Lili Zhang, Guofang Xing, Zhenyu Liu, Yanqing Zhang, Hongbo Li, Yuanmeng Wang, Jiaxin Lu, Nan An, Zhihong Zhao, Zeyu Wang, Yuanhuai Han and Qingliang Cui ()
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Lili Zhang: Department of Basic Sciences, Shanxi Agricultural University, Jinzhong 030801, China
Guofang Xing: College of Agricultural, Shanxi Agricultural University, Jinzhong 030801, China
Zhenyu Liu: College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China
Yanqing Zhang: College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China
Hongbo Li: College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China
Yuanmeng Wang: College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China
Jiaxin Lu: College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China
Nan An: College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China
Zhihong Zhao: College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China
Zeyu Wang: College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China
Yuanhuai Han: College of Agricultural, Shanxi Agricultural University, Jinzhong 030801, China
Qingliang Cui: College of Agricultural Engineering, Shanxi Agricultural University, Jinzhong 030801, China

Agriculture, 2024, vol. 14, issue 9, 1-19

Abstract: Mechanized harvesting is a crucial step in the agricultural production of foxtail millet ( Setaria italica ), as its peduncles are susceptible to bending and breaking during the harvesting process, leading to yield losses and deterioration in grain quality. To evaluate the suitability of foxtail millet for mechanical harvesting, this study comprehensively analyzed the biomechanical properties of the peduncles and related biological morphological characteristics of 116 foxtail millet accessions, establishing a system for indicator screening and comprehensive evaluation. Using partial correlation analysis and R-type cluster analysis, four biomechanical and seven related morphological indices of the peduncle were screened from 22 candidate indicators, with their coefficient of variation ranging from 6% to 80%. The entropy method was used to assign weights to the selected indices, with biomechanical factors contributing 47.4%, peduncle morphology 20.2%, spike morphology 27.6%, and plant height 4.8%. The Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) and Rank-Sum Ratio (RSR) methods were applied to rank and grade the classification of the 116 foxtail millet varieties into four performance groups: Excellent (8 varieties), Good (50 varieties), Moderate (51 varieties), and Poor (7 varieties). This study provides a scientific basis for the selection and evaluation of foxtail millet varieties.

Keywords: foxtail millet; morphological characteristics; biomechanical properties; comprehensive evaluation (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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