超甜玉米新品种理科甜5807的选育及栽培要点
Breeding and Cultivation Technology of A New Sweet Corn Cultivar 'Liketian 5807'
  
DOI:
中文关键词:  甜玉米  选育  栽培
英文关键词:Keywords: Sweet corn  Breeding  Cultivation
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作者单位
周金泉1,李艳艳1,杨 阳1,朱毅勇2,周鸿章1* 1.南京理想农业科技有限公司江苏 南京 2100142.南京农业大学资源与环境学院江苏 南京 210095 
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中文摘要:
      理科甜5807是以自选系甜H-02为母本,以甜H-804白为父本杂交而成的黄白相间的超甜玉米新品种。该品种品质优良,穗形美观,苞叶完整且紧实,果穗籽粒饱满紧实、排列整齐,无秃尖,粒色黄白相间。于2013、2014年参加多点试验,2015、2016年参加合肥品比试验,试验结果显示:品种杂交优势明显、长势旺、果穗大、口感品质优良、增产潜力大,2013、2014年平均667 m2产量分别为1 178.9、1 061.2 kg,比对照(粤甜16)分别增产9.7%、10.1%;2015、2016年平均667 m2产量分别为1 106.1、993.0 kg,比对照(粤甜16)分别增产8.2%、9.5%;且田间调查结果显示:该品种高抗大、小斑病,纹枯病和茎腐病,根系发达,抗倒伏能力强,符合当前甜玉米市场的需求,适宜在南京及周边相同生态区域内种植。
英文摘要:
      Abstract: 'Liketian 5807' was a new cultivar of sweet corn with yellow and white grains, and this sweet corn was crossed by taking inbred line of 'Sweet H-02' as female parent and 'Sweet H-804' white' as male parent. This new cultivar had excellent quality, beautiful spike shape, complete and tight bracts, full, tight and neat grains with the color of yellow and white and no bald tip. The multipoint test in 2013 and 2014 and comparison test of Hefei in 2015 and 2016 were conducted. The results showed that the new hybrid had obvious heterosis, high growth vigor, large fruit spikes, good taste quality and high yield potential. The yields were respectively 1 178.9, 1 061.2 kg per 667 m2, and increased by 9.7%, 10.1% compared with that of the control ('Yuetian 16') in 2013 and 2014. The yields were respectively 1 106.1, 993.0 kg per 667 m2, and increased by 8.2%, 9.5% compared with that of the control ('Yuetian 16') in 2015 and 2016. Field investigation was carried out, showing that 'Liketian 5807' was highly resistant to spot disease, sheath blight and stem rot and had strong resistance to lodging with developed roots, which met the needs of the current market and was suitable for planting in Nanjing and the same ecological areas.
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