JIANG Bai-fu,NIU Zhong-lin,QIU Lei,et al.Breeding and Utilization of Maize Inbred Line Hexuan 19[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(03):4-6.[doi:10.11942/j.issn1002-2767.2016.03.0004]
玉米自交系合选19的选育与利用
- Title:
- Breeding and Utilization of Maize Inbred Line Hexuan 19
- 文章编号:
- 1002-2767(2016)03-0004-03
- Keywords:
- maize; hybrid line; hybrid; social benefit
- 分类号:
- S513
- 文献标志码:
- A
- 摘要:
- 针对黑龙江省第二积温带玉米单产水平低,抗病性差,适应性不强,品种单一的现状,黑龙江省农业科学院佳木斯分院利用地方系冬96×丹340(晚熟、抗病、广适、高配合力自交系)选育出优良骨干玉米自交系合选19。利用合选19作为亲本成功选育出高产稳产抗病适应性广的玉米新杂交种合玉23,3 a累计推广 13.56万hm2。增产商品玉米22.12万t,增加经济效益4.42亿元。
- Abstract:
- The maize varieties in the second accumulated temperature zone of Heilongjiang province had poor resistance,poor adaptability and low yield,taking local native line Dong 96 (earlymaturing,local germplasm) and Dan 340 (latematuring,disease resistance,wide adaptability,high combining ability) for selecting inbred line.Using this method,Hexuan19(middlematuring,disease resistance,wide adaptability,high combining ability)was selected which been used for variety Heyu23(planting area was 134.9 thousand hectares,increase yield ?221.2 ?thousand tones,increase economic efficiency 442 million yuan in 2012-2014).
参考文献/References:
[1]蒋佰福.优良玉米自交系合344的选育和利用[J].杂粮作物,2005,25(3):143-144.
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备注/Memo
收稿日期:2016-02-16