A Comparative Analysis of the Hybrid Maize (Zea mays L.) Seed Quality in China from 2013 to 2018
文献类型： 外文期刊
作者： Li, Heqin 1 ; Yue, Haiwang 3 ; Li, Li 4 ; Su, Chengfu 1 ; Zhang, Xiaowen 1 ; Liu, Jing 1 ; Yu, Zhiyang 1 ; Zhao, Guangwu; 1 ;
作者机构： 1.Qingdao Agr Univ, Dryland Technol Key Lab Shandong Prov, Qingdao 266109, Shandong, Peoples R China
2.Qingdao Agr Univ, Maize Res Inst, Qingdao 266109, Shandong, Peoples R China
3.Hebei Acad Agr & Forestry Sci, Dryland Farming Inst, Hengshui 053000, Peoples R China
4.China Agr Univ, Seed Sci & Technol Res Ctr, Beijing 100193, Peoples R China
5.Zhejiang Agr & Forestry Univ, Coll Agr & Food Sci, Linan 311300, Peoples R China
关键词： maize; seed quality; seed vigor; germination; market research; China
期刊名称：AGRONOMY-BASEL （ 影响因子：3.417； 五年影响因子：3.64 ）
ISSN：
年卷期： 2019 年 9 卷 10 期
页码：
收录情况： SCI
摘要： In this study, a comparative analysis of seed quality indicators of 1196 hybrid maize seed samples from the main maize-producing areas in China from 2013 to 2018 was carried out. The results showed that the maize seed quality in China had changed obviously in the past six years, and was mainly as follows: The percentage of samples with coated seed in 2015-2018 was higher than 62.8% in 2013 and all exceeded 97%; the sample rate of packaging according to seed number was from 24.5% in 2013 to 58.6% in 2018, and the percentage of samples which met the prescribed quality standards was from 89.2% in 2013 to 98.4% in 2018. Principal component analysis indicated that standard germination energy (SGE), standard germination percentage (SGP), cold test germination percentage (CTGP), accelerated aging test germination percentage (AATGP), and mean field seedling emergence (FSE) were the primary predictors of seed germination and seedling emergence. Meanwhile, combining other statistical methods, regression models of SGE, SGP, CTGP, and AATGP were established to predict the field seedling emergence. Furthermore, seed bulk density and total starch content were correlated with seed vigor, which needs to be further studied. This study offered a theoretical basis and data support to better understand the changes of maize quality in China over the past six years, and provided an important reference to further improve the maize seed quality in the future.
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