Crops ›› 2016, Vol. 32 ›› Issue (2): 39-42.doi: 10.16035/j.issn.1001-7283.2016.02.007

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Application and Improvement of Mobai Germplasm in Northwest Guizhou

Luo Shiwen,Yang Yuanping,Liang Qianyun,Xian Xin,Luo Guocai   

  1. Bijie Institute of Agricultural Science of Guizhou Province,Bijie 551700,Guizhou,China
  • Received:2015-09-08 Revised:2016-01-31 Online:2016-04-15 Published:2018-08-26
  • Contact: Yuanping Yang

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Abstract:

There is significant contribution of Mobai germplasm used in maize breeding of northwest Guizhou. There are 3 key maize inbred lines: the inbred line Da 19 selected from Mobai 1, lines 449 and 405 from Mobai 94. The inbred line 449 is the one parent of 5 hybrids, such as Bidan 3, and 405 is the one parent of Bidan 4, and the hybrid Qianxi 4 is derived from the crossbreeding of 405 and Da 19. Inbred line W260 and 216 are derived from improved inbred-line 449, and they are also the parents of Bidan 10 and Bidan 13, respectively. Germplasm improvement of Mobai is mainly focused on inbred lines like 449 and Da 19, which achieved great improvement compared with their parents.

Key words: Maize, Mobai germplasm, Germplasm improvement, Inbred lines, Combining ability

Table 1

The inbred lines and hybrids released from Mobai germplasm"

自交系
Inbred line		 来源
resource		 组合
Combination		 杂交种
Hybrid
449 Tuxpeño1P.B.C15 411/449 毕单3号
449/8-2 盛农3号
习I-1/449 贵毕201
习I-1/木6//449 贵毕301
木6/木4//449 织金1号
405 Tuxpeño1P.B.C15 405/411 毕单4号
大19 Tuxpeño1 大19/木6 黔西4号
大013 Tuxpeño1 大013/木6 黔西2号
W260
 449/墨白102选
系//449///449		 W260/411
 毕单10号
216 毕大白/旅系//449 216/86 毕单13号
94-90 449/大19 F2250/习I-1//94-90 毕玉4号
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