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Volume 25 Issue 2
Nov.  2011
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Article Contents
KONG Yan-e, ZHANG Shu-ning, LI Jun-xing, LIU Hui-ji. Heterosis study on 4x Mt CMS and its maintainer line of non-heading chinese cabbage[J]. Fujian Journal of Agricultural Sciences, 2010, 25(2): 179-182.
Citation: KONG Yan-e, ZHANG Shu-ning, LI Jun-xing, LIU Hui-ji. Heterosis study on 4x Mt CMS and its maintainer line of non-heading chinese cabbage[J]. Fujian Journal of Agricultural Sciences, 2010, 25(2): 179-182.

Heterosis study on 4x Mt CMS and its maintainer line of non-heading chinese cabbage

  • Received Date: 2009-06-25
  • Rev Recd Date: 2010-04-08
  • Publish Date: 2010-04-15
  • Six crossing combinations were obtained by using 4x MtCMS line and 6 inbred lines of non-heading Chinese cabbage. Agronomic traits and heterosis of the F1 hybrids were studied. The result indicated that the main agronomic traits had a significant heterosis in the hybrid of non-heading Chinese cabbage. Yield per plant of 6 F1 hybrids had a certain degree of positive mid-parents and over-standard heterosis. Two of the hybrids,namely 4x Mt CMS?07P-10 and 4x Mt CMS?07P-8,were the largest. The mid-parents,over-parents and over-standard heterosis showed 18.90%,15.27% and 12.61%,respectively,in yield per plant. The 6 F1 hybrids were taller,the plant diameter larger,leaves thicker,leaf area larger and yield of plot greater than their parents,and these differences were significant. Quality was improved over their parents,and the mid-parents heterosis was positive but in minute amounts. The heterosis of the over-parents and over-standard were not significant.
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