Evolutionary Variation of Accumulative Day Length and Accumulative Active Temperature Required for Growth Periods in Global Soybeans
文献类型： 外文期刊
作者： Wang, Can 1 ; Liu, Xueqin 1 ; Hao, Xiaoshuai 1 ; Pan, Yongpeng 1 ; Zong, Chunmei 6 ; Zeng, Weiying 7 ; Wang, Wubin 1 ; Xing, Guangnan 1 ; He, Jianbo 1 ; Gai, Junyi 1 ;
作者机构： 1.Nanjing Agr Univ, Soybean Res Inst, Nanjing 210095, Peoples R China
2.Nanjing Agr Univ, MARA Natl Ctr Soybean Improvement, Nanjing 210095, Peoples R China
3.Nanjing Agr Univ, MARA Key Lab Biol & Genet Improvement Soybean Gen, Nanjing 210095, Peoples R China
4.Nanjing Agr Univ, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing 210095, Peoples R China
5.Nanjing Agr Univ, Jiangsu Collaborat Innovat Ctr Modern Crop Prod, Nanjing 210095, Peoples R China
6.Heilongjiang Acad Agr Sci, Mudanjiang Branch, Mudanjiang 157041, Peoples R China
7.Guangxi Acad Agr Sci, Inst Econ Crops, Nanning 530007, Peoples R China
关键词： soybean (Glycine max (L.) Merr.); days from sowing to flowering (DSF); days from flowering to maturity (DFM); accumulative day length (ADL); accumulative active temperature (AAT); multiple regression; genetic clustering
期刊名称：AGRONOMY-BASEL （ 影响因子：3.949； 五年影响因子：4.117 ）
ISSN：
年卷期： 2022 年 12 卷 4 期
页码：
收录情况： SCI
摘要： Soybean (Glycine max (L.) Merr.) is a typical short-day and thermophilic crop. This study aimed to reveal the required accumulative day length (ADL) and accumulative active temperature (AAT) for DSF (days of sowing to flowering) and DFM (days of flowering to maturity) in global soybeans. A sample consisted of 354 varieties from 27 countries in five geographic regions, which were tested in Nanjing, China in two spring-sowing and two summer-sowing seasons. The ADL and AAT were calculated from the climatological data provided by the Public Service of Nanjing Meteorological Bureau. The results showed that the average DSF and DFM of global soybeans were 41.0 d and 83.3 d, which required ADL(DSF) of 606.6 d.h and AAT(DSF) of 1185.9 d.degrees C, ADL(DF)(M )of 1126.7 d.h and AAT(DFM) of 2145.1 d.degrees C, respectively, all with a wide variation among/within geographic and MG(maturity-group)-set subpopulations. From the multiple regression of DSF and DFM on required ADL and AAT, the ADL, AAT and ADL x AAT contributed 38.5%, 44.79% and 17.10% to DSF variation and 86.98%, 11.42% and 0.54% to DFM variation, respectively, and their relative importance to DSF and DFM varied among the geographic and MG subpopulations. The geographic subpopulations matched only partially with the genomic marker clusters, indicating multiple genetic sources of each subpopulation and that genetic exchange happened among subpopulations.
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