Precise classification and regional delineation of maturity groups in soybean cultivars across China
文献类型: 外文期刊
作者: Song, Wenwen 1 ; Liu, Luping 2 ; Sun, Shi 1 ; Wu, Tingting 2 ; Zeng, Haiyan 2 ; Tian, Shiyan 1 ; Sun, Bincheng 1 ; Li, Wenbin 1 ; Liu, Lijun 1 ; Wang, Shuming 1 ; Xing, Han 1 ; Zhou, Xin'an 1 ; Nian, Hai 1 ; Lu, Wencheng 1 ; Han, Xiaozeng 1 ; Wang, Shouyi 1 ; Chen, Weiyuan 1 ; Guo, Tai 1 ; Song, Xiqing 1 ; Tian, Zhongyan 1 ; Cheng, Yanxi 1 ; Song, Shuhong 1 ; Fu, Lianshun 1 ; Wang, Huicai 1 ; Luo, Ruiping 1 ; Liu, Xueyi 1 ; Liu, Qi 1 ; Zhang, Guohong 1 ; Lu, Sihui 1 ; Xu, Ran 1 ; Li, Suzhen 1 ; Lu, Weiguo 1 ; Zhang, Qi 1 ; Wang, Zongbiao 1 ; Jiang, Chengong 1 ; Shen, Weiliang 1 ; Zhang, Mingrong 1 ; Zhu, Danhua 1 ; Wang, Ruizhen 1 ; Chen, Yuan 1 ; Wang, Tiejun 1 ; Zhu, Xingtao 1 ; Zhan, Yong 1 ; Jiang, Bingjun 2 ; Xu, Cailong 2 ; Yuan, Shan 2 ; Hou, Wensheng 2 ; Gai, Junyi 1 ; Wu, Cunxiang 1 ; Han, Tianfu 1 ;
作者机构: 1.Chinese Acad Agr Sci, Inst Crop Sci, China Agr Res Syst CARS Soybean, Beijing 100081, Peoples R China
2.Chinese Acad Agr Sci, Inst Crop Sci, MARA Key Lab Soybean Biol Beijing, Beijing 100081, Peoples R China
3.Hebei Acad Agr & Forestry Sci, Inst Cereal & Oil Crops, Natl Soybean Improvement Sub Ctr Shijiazhuang, Hebei Lab Crop Genet & Breeding, Shijiazhuang 050031, Hebei, Peoples R China
关键词: Soybean; Maturity group; Precise classification; Optimum adaptation zone
期刊名称:EUROPEAN JOURNAL OF AGRONOMY ( 影响因子:5.2; 五年影响因子:5.9 )
ISSN: 1161-0301
年卷期: 2023 年 151 卷
页码:
收录情况: SCI
摘要: The maturity group (MG) system is a widely recognized and effective approach for assessing the photothermal sensitivity of soybean cultivars and determining their optimal adaptation zones. In China, soybean have been cultivated extensively for thousands of years, evolving into various ecotypes through natural and artificial se-lection. In this study, the relative maturity groups (RMGs) of a total of 766 soybean cultivars collected from the Northeast Spring Planting Sub-region (NE), Huang-Huai-Hai Summer Planting Region (HH), Northwest Spring Planting Sub-region (NW,), and South Multiple Cropping Region (SC) of China were evaluated using linear regression models at 36 sites nationwide. The results show that the RMGs of Chinese soybean cultivars range from MG m1.6 to MG 9.5. Among all the identified soybean cultivars, MG III cultivars account for the largest proportion of 22.19 %, followed by MG II (21.67 %) and MG I (18.54 %). Conversely, MG IX has the fewest number of cultivars, representing only 0.26 % of all cultivars. The MG ranges for spring-and summer-sowing cultivars are MG 000-V and MG II-IX, respectively. The adaptive soybean MG zones across China were map-ped using the method of Kriging interpolation based on the soybean RMGs data from 816 sites of 29 soybean-producing provinces. Cultivars of MG 0 and earlier groups are primarily distributed in the NE, and MG III and MG IV are the major MGs in HH and NW. The cultivars in MG V and later groups mainly distribute in SC. This study realizes the unification and normalization of the MG system between China and other major soybean-producing countries worldwide. Such unification and standardization will facilitate global germplasm exchanges and assist soybean producers in making more informed decisions when selecting cultivars.
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