Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Study on waxy corn hybrids - XV. Major botanical characteristic on CNU hybrids using domestic waxy corn germplasm(Zea mays L.)

찰옥수수 연구 - XV. 국내 유전자원을 이용한 찰옥수수 교잡종의 주요 작물학적 특성

  • Choi, Hyun-Gu (Yesan Chrysanthemum Experiment Station) ;
  • Lee, Moon-Sub (College of Agriculture & Life sciences, Chungnam National University) ;
  • Bok, Tae-Gyu (College of Agriculture & Life sciences, Chungnam National University) ;
  • Na, Woong-Hyun (College of Agriculture & Life sciences, Chungnam National University) ;
  • Ko, Hyuck-Soo (College of Agriculture & Life sciences, Chungnam National University) ;
  • Lee, Sunck-Young (National Agrobiodiversity Center) ;
  • Jo, Yang-Hee (Multilateral Cooperation Team, International Technology Cooperation Center) ;
  • Lee, Hee-Bong (Yesan Chrysanthemum Experiment Station)
  • Received : 2012.02.16
  • Accepted : 2012.03.23
  • Published : 2012.03.31
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Abstract

This study was carried out to identify the characteristics of 37 corn hybrids, which composed with 18 yellow colored kernel, 9 purple colored kernel, 8 white colored kernel. Days to silking of three colored waxy corn hybrids ranged from 61 to 73 days after sowing as midium-late ecotype. Ear length of hybrids ranged from 10.3 to 22.7 cm, and among them a total 22 waxy corn hybrids including CNU038 showed over 20 cm in ear length. The fresh weight per ear ranged from 58 to 289 g as the 32.9% of large coefficient of variance. In there results, we found yellow colored waxy corn hybrids showed relatively longer in ear length and heavier in fresh weight per ear compare to other colored waxy corn hybrids. In correlation relationships, plant height, ear height, stem diameter, ear length and ear weight showed positive correlation between themselves, while tip filling ratio did negative correlation with silking stage, plant height, ear length, ear weight and kernel thickness. Also, 100 kernel weight did positive correlation between traits related to ear and kernel.

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References

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