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Volume 27 Issue 4
Jun.  2012
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Article Contents
WANG Hong-fei, QIU Xiu-li, WANG Nai-yuan, LI Yu, LIANG Kang-jing. Correlations Among Yield-related Traits of CMS-FA Hybrid Rice[J]. Fujian Journal of Agricultural Sciences, 2012, 27(4): 319-323.
Citation: WANG Hong-fei, QIU Xiu-li, WANG Nai-yuan, LI Yu, LIANG Kang-jing. Correlations Among Yield-related Traits of CMS-FA Hybrid Rice[J]. Fujian Journal of Agricultural Sciences, 2012, 27(4): 319-323.

Correlations Among Yield-related Traits of CMS-FA Hybrid Rice

  • Received Date: 2012-03-05
  • Rev Recd Date: 2012-04-08
  • Publish Date: 2012-04-30
  • Using 5 CMS-FA sterile lines as female parents and 5 corresponding restorers as male parents, 25 crosses were bred with the incomplete diallel cross design for the experiment. Their parents and F1 generations were planted to generate data on the yield-related traits. By the additive-dominant model and MINQUE (1) method, the genetic correlations among 10 yield-related traits of CMS-FA hybrid rice were analyzed. The results showed significant correlations among the traits. The genetic correlations between the plant height (PH) and seed-set percent (SSP), between the flag-leaf length (FLL) and growth duration (GD) or SSP, between GD and filled grain number per panicle (FGNPP), between SSP and 1000-grain-weight (TGW), and between TGW and yield per plant (YPP) were basically positive and additive.Those between the panicle number per plant (PNPP) and PH, between FLL, total grain number per plant (TGNPP), FGNPP,SSP, and between TGW and TGNPP were mainly negative and additive.There were also significant or very significant positive dominance correlations between traits of PH and panicle length (PL), between FLL, TGNPP, TGW, PL and TGNPP, FGNPP, YPP. Consequently, in breeding, it would be advisable to choose the traits that showed high additive correlations.
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    代余军,陈建国,周勇,等.籼粳杂交稻主要农艺性状之间的遗传相关分析[J].湖北大学学报:自然科学版,1999,21(1):93-95.
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