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    JIANG Long, CI Jiabin, NAN Nan, CUI Xueyu, TIAN Jing, YANG Weiguang. Studies on the optimization of maize haploid induced rates[J]. Journal of South China Agricultural University, 2015, 36(2): 19-24. DOI: 10.7671/j.issn.1001-411X.2015.02.004
    Citation: JIANG Long, CI Jiabin, NAN Nan, CUI Xueyu, TIAN Jing, YANG Weiguang. Studies on the optimization of maize haploid induced rates[J]. Journal of South China Agricultural University, 2015, 36(2): 19-24. DOI: 10.7671/j.issn.1001-411X.2015.02.004
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    Studies on the optimization of maize haploid induced rates

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      • Abstract
    • Objective To optimize the technical measures to improve maize haploid induced rates.
      Method Effects of five factors, including parent genotypes, selection of germplasm and generations, environments, pollination period, parts of maize ear on the rates of maize haploid were conducted in the field from 2011 to 2012.
      Result and conclusion The haploid induced rates were different among different materials with the same factor and different among different factors with the same materials. The haploid induced rates in female parent genotypes were significantly different. There was no significant correlation between the crossing pattern and the induced rate. The optimal induced haploid generation of five germplasms was S1. Compared to Changchun, Sanya was more conducive to improve the induced rate of haploid. The haploid induced rate of early pollination maize was higher than that of the late ones. The haploid induced rate at the top of the maize ear was higher than that at the bottom.
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