A study on identifying the phenotypic saturation thresholds of broomcorn millet based on functional limits and growth models
Xiao Cui, Huiqin Li, Jiangchen Zan, Jianhua Cui, Pengzhi Hou, Linjuan Wang, Wenfeng Guo, Zhifang Bi, Fuzhong Li, Yuanhuai Han, Xiaoying Zhang, Yushen Wang
TL;DR
This study identifies growth limits in broomcorn millet varieties to support precision agriculture in arid regions.
Contribution
The paper introduces a method to determine phenotypic saturation thresholds using growth models for broomcorn millet.
Findings
The Logistic model showed plant height growth limits between 134.86–171.74 cm with high accuracy (R2 > 97%).
Richards model revealed stem diameter growth limits of 8.47–10.28 cm with similarly high accuracy.
Variety Pinshu 4 outperformed others in plant height and stem diameter, while Xiaohongruan Proso Millet 6 had high photosynthetic efficiency.
Abstract
Broomcorn millet, renowned for its strong stress tolerance and rich nutritional value, serves as a crucial germplasm resource in the arid and semi-arid regions of northern China. It exhibits advantages such as a short growth period, high water use efficiency, salt tolerance, and pest resistance, which guarantee the stability of grain supply in local areas. Accurately identifying its growth saturation threshold is one of the core elements of precision agriculture technology and has become a research hotspot in the field of agricultural science both domestically and internationally in recent years.In this study, 8 representative broomcorn millet varieties were selected from typical dryland farming areas in Shanxi Province. Based on functional limits and growth models, temporal identification and comparative analysis of the phenotypic saturation thresholds of these 8 varieties were…
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Taxonomy
TopicsLeaf Properties and Growth Measurement · Greenhouse Technology and Climate Control · Remote Sensing in Agriculture