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青饲玉米有益突变体筛选的研究 被引量:10

STUDIES ON SELECTION OF VALUABLE SOMACLONAL MUTANTS IN SILAGE MAIZE
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摘要 The calli were induced from young embryo, shoot apex, young leaf, young inflorescences, and hypocotyl of silage maize (Zea mays). The inducing freguency of young embryo was higher than the hypocotyl, but the latter was not effected by season changes. The induction of calli were different in response to different kinds and concentration of hormones. Plantlet were regenerated from repetitive subcultured calli, among which three plant lines with characteristics of more tillers and early maturity were selected. Two of the plant lines with characteristics of more tillers and early maturity were selected. Two of the plant lines have become new inbred lines: 8501 and 8502. Through several generations of experimental hybrid combination “Baidan×8502” characterized by high silage yield, disease resistant, prolong green period and abundant tillers, has been obtained. The silage yield were 75000~105000 kg/hm 2 which accounted 40% more than the CK variety and commercial varieties. The calli were induced from young embryo, shoot apex, young leaf, young inflorescences, and hypocotyl of silage maize (Zea mays). The inducing freguency of young embryo was higher than the hypocotyl, but the latter was not effected by season changes. The induction of calli were different in response to different kinds and concentration of hormones. Plantlet were regenerated from repetitive subcultured calli, among which three plant lines with characteristics of more tillers and early maturity were selected. Two of the plant lines with characteristics of more tillers and early maturity were selected. Two of the plant lines have become new inbred lines: 8501 and 8502. Through several generations of experimental hybrid combination “Baidan×8502” characterized by high silage yield, disease resistant, prolong green period and abundant tillers, has been obtained. The silage yield were 75000~105000 kg/hm 2 which accounted 40% more than the CK variety and commercial varieties.
出处 《Acta Botanica Sinica》 CSCD 1996年第10期839-842,共4页 Acta Botanica Sinica(植物学报:英文版)
关键词 玉米 青饲玉米 突变体 筛选 Silage maize Selection of mutants
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参考文献4

  • 1施介村,植物学报,1991年,33卷,409页
  • 2谢友菊,遗传学报,1986年,13卷,113页
  • 3Kuo Chungshen,Biotechnology in Agriculture and Forestry.Vol.2,1986年
  • 4Chang Y E,Plant Cell Rep,1983年,2卷,183页

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