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《SOYBEAN SCIENCE》 1995-03
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ANALYSIS OF PHYLOGENETIC RELATIONSHIPS AMONG SOYBEAN CULTIVARS DEVELOPED IN HUANG-HUAI-HAI PLAIN

Ye Xinguo;Wang Lianzheng(Chinese Academy of Agricultural Sciences,Beijing 100081)  
Phylogenetic relationships among varieties developed in Huang-Huai-Hat Valley wereanalysised. The results showed,(1)70.6% of the developed traits was derived from twentychief and small genealogies such as Qihuang 1,Juxuan 23,Xinhuangdou,Xudou 1,58-161,Jindou 1,Jindou 4,Kexi 8,Huaxiandaludon,Shangqin 65 et al.,of which,the chief genealogies contained 61.9 percent of the developed varieties.(2)Cytoplasms of 105 varieties accounting for 47. 5% in all developed traits came from Juxuan23,Qihuang 1,Shandongsijueqi,58-161,Xudou 1 and Kexi 8,which were used as female parents in cross.(3)Karyonsof 96 traits amounting to 43. 0 percent in all developed gaieties came from 17 importent parents as direct cross male, respectively, such as 5905, 5902,Xudou 1,Jindou 4,Yeqi 1,58 -161,Jiti 5,Tie 4117,Williams,Clark63,Beeson et al.,(4)Juxuan 23,Qihuang 1,Xudou 1,58-161, Jindou 4, Williams, Clark 63 and Beeson had a high general combining ability,and19 traits had a high special combining ability, which were Juxuan 23,Qihuang 1,Xudou 1,58-161,5902, 5905,Yeqi 1,Jiti 5,Kexi 8,Tie 4117 et al.The genetic basis of developedsoybean varieties was narrow in this region,which is not adventageous to improve yield anddisease and resistance.
【CateGory Index】: S565.1
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