Evaluation of yield capability and stability of tartary buckwheat varieties by rank analysis
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DOI:10.7606/j.issn.1000-7601.2012.03.07
Key Words: tartary buekwheat  rank analysis  regional trial  yield  stability
Author NameAffiliation
CHEN Jia College of Agronomy, Northuesi A&F University, Yangling, Shaanxi 712100, China 
ZHANG Panpan College of Agronomy, Northuesi A&F University, Yangling, Shaanxi 712100, China 
XU Bingqin College of Agronomy, Northuesi A&F University, Yangling, Shaanxi 712100, China 
GAO Jinfeng College of Agronomy, Northuesi A&F University, Yangling, Shaanxi 712100, China 
WANG Pengke College of Agronomy, Northuesi A&F University, Yangling, Shaanxi 712100, China 
GAO Xiaoli College of Agronomy, Northuesi A&F University, Yangling, Shaanxi 712100, China 
QU Yang College of Agronomy, Northuesi A&F University, Yangling, Shaanxi 712100, China 
FENG Baili College of Agronomy, Northuesi A&F University, Yangling, Shaanxi 712100, China 
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Abstract:
      In this research, data of 9 tartary buckwheat varieties which have participated in national regional trials in the 19 test environments were selected, using non-parametric statistical methods-rank analysis to analyze and evaluate the yield of the tested varieties comprehensively. The results show that Jiujiang tartary buckwheat has a comparatively high and stable yield; Yunqiao 2 has a high and stable yield; WK-189 has a high and generally stable yield; Xiqiao 3 has a comparatively high and generally stable yield; FengKu 2 and Fengku 3 both have comparatively high but low stable yield.