The application of GGE-biplot in the potato breeding in the Northwest China
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DOI:10.7606/j.issn.1000-7601.2018.02.28
Key Words: potato  GGE-biplot  comparative trials  agronomic traits  yield
Author NameAffiliation
LI Ya-jie Dingxi Agricultural Science Research Institute, Dingxi, Gansu 743000, China 
LUO Lei Dingxi Agricultural Science Research Institute, Dingxi, Gansu 743001, China 
BAI Jiang-ping Gansu Agricultural University, Lanzhou, Gansu 730070, China 
WANG Juan Dingxi Agricultural Science Research Institute, Dingxi, Gansu 743003, China 
YAO Yan-hong Dingxi Agricultural Science Research Institute, Dingxi, Gansu 743004, China 
HUANG Kai Dingxi Agricultural Science Research Institute, Dingxi, Gansu 743005, China 
LIU Yi The People′s Government of Tuanjie Town, Dingxi, Gansu 743000, China 
WANG Xing-zheng Dingxi Agricultural Science Research Institute, Dingxi, Gansu 743007, China 
LI De-ming Dingxi Agricultural Science Research Institute, Dingxi, Gansu 743008, China 
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Abstract:
      GGE-biplot was first used in this study for comprehensive analysis of agronomic traits of potato in the northwestern arid regions of China. The experimental results showed that there were closed interactions for G38(0903-111) with yield and tuber quality per plant; G16(0904-25), G30(0904-51), G31(0773-9), G35(0773-3) with main stem number and the number of tuber per plant; G1(0913-27)、G2(0911-101)、G6(0929-6)、G9(0904-75)、G20(0907-25)、G23(0904-11)、G24(0904-15) and other lines with plant height and potato commodity rate, respectively. G38(0903-111), G16(0904-25), G31(0773-9) and G1(0913-27) have good performance and the G38 (0903-111) has the best performance in the 42 potato lines. For the six agronomic traits participated in the experiment, yield and tuber quality per plant can accurately reflect the characteristics of the test lines compared with other agronomic traits and have great representativeness, the number of tuber per plant and commodity potato rate of each line has fine discrimination.