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Chinese Journal of Applied Ecology ›› 2024, Vol. 35 ›› Issue (2): 555-563.doi: 10.13287/j.1001-9332.202402.011

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Research progress on the method and index evaluating strong seedlings of winter wheat during overwintering stage

CAI Hongmei1, WANG Feifei1, WANG Pengna1, TANG Zhiwei1, HUANG Weixiang1, ZHENG Baoqiang1, LI Jincai1,2, CHEN Xiang1*   

  1. 1College of Agronomy, Anhui Agricultural University, Hefei 230036, China;
    2Jiangsu Collaborative Innovation Centre for Modern Crop Production, Nanjing 210095, China
  • Received:2023-08-31 Revised:2024-01-02 Online:2024-02-18 Published:2024-08-18

Abstract: The extreme weather disasters before winter caused by global climate change seriously affect the formation of strong seedlings of wheat. Cultivating strong seedlings is the premise of realizing high yield, high efficiency, and high quality of wheat. The cultivation of strong wheat seedlings is closely related to seed quality, straw returning quality, land preparation quality, sowing quality, water and fertilizer operation and meteorological factors. Seed quality and tillage measures are the primary factors affecting the cultivation of strong wheat seedlings, which determine the quality of wheat seedling emergence. Secondly, meteorological factors determine growth rate and photosynthetic production of wheat seedlings. Mounting studies have addressed the cultivation of strong seedlings and the evaluation of seedling conditions of wheat. This research focused on comparing and summarizing the evaluation methods and indices of strong seedlings of winter wheat, the historical changes of evaluation standards and the main technical measures for cultivating strong seedlings, and proposed the cultivation and evaluation methods of strong seedlings of winter wheat in the future. We aimed to further improve the evaluation method of winter wheat strong seedlings, advance the classification management, precise guidance and fine service of winter wheat seedlings, and realize strong seedlings through scientific and technological ways.

Key words: winter wheat, strong seedling, evaluation method, evaluation indicator, technical measure