Rice (Oryza sativa L.): Guan 18 - an Improved Variety Through Anther Culture

  • Zhu Deyao 
  • Pan Xigan 
Part of the Biotechnology in Agriculture and Forestry book series (AGRICULTURE, volume 12)


As soon as the three lines (A or sterile, B or maintainer, and R or restored line) had been successfully developed through breeding, hybrid rice was used for production in China. Experimental evidence has confirmed that hybrid rice shows clear heterosis through many field experiments and the analysis of the economic characteristics of spread hybrid combinations, i. e. the hybrid rice released or the commercial hybrid rice. It was reported that the average value of standard heterosis (heterosis over the control variety) was 35.52±20.05; the average value of heterobeltiosis (heterosis over the better parent) was 32.58±29.43; and the average value of mid-parent heterosis (heterosis over the mean parental value) was 58.13±32.92. The yield was generally increased by 1125–1500kg/ha (Pan et al. 1982). Thus it can be seen that the development of hybrid rice is an effective way to raise the per unit area yield; the grain quality of hybrid rice, however, is still not very good and needs to be improved.


Oryza Sativa Anther Culture Hybrid Rice Indica Rice Induction Frequency 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Zhu Deyao 
  • Pan Xigan 
    • 1
  1. 1.Rice Research InstituteJiangxi Academy of Agricultural SciencesNanchang,JXChina

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