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2015 Vol.60, Issue 3 Preview Page

Original Research Article

파종시기에 따른 유색찰옥수수 품종의 등숙 중 이삭 및 종실 특성 변화

Changes in Ear and Kernel Characteristics of Colored Waxy Corn Hybrids During Ripening with Different Sowing Dates

Mi-Jung Kim1*
,
Jae-Eun Lee2
,
Jung-Tae Kim1
,
Gun-Ho Jung1
,
Jin-Seok Lee1
,
Sun-Lim Kim2
,
Kyoung-Jin Youn3
,
Wook-Han Kim1
,
Ill-Min Chung3
김 미정1*
,
이 재은2
,
김 정태1
,
정 건호1
,
이 진석1
,
김 선림2
,
윤 경진3
,
김 욱한1
,
정 일민3
1Department of Central Area Crop Science, NICS, RDA, Suwon 16429, Korea
2National Institute of Crop Science, RDA, Wanju 55365, Korea
3Department of Applied Bioscience, Konkuk University, Seoul 05029, Korea
1국립식량과학원 중부작물부
2국립식량과학원
3건국대학교 생명환경과학대학 응용생물과학과
*Corresponding Author
30 September 2015. pp. 308-317
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Abstract

The aim of the present study was to investigate the ear and kernel characteristics of colored waxy corn hybrids during ripening according to different sowing dates. Heukjinjuchal and Eolrukchal 1 were sown at April 20 (first cropping) and July 20 (second cropping) in 2011~2012. The accumulated temperature from silking to harvesting was about 590~610°C. It takes 23~24 days when Heukjinjuchal and Eolrukchal 1 were sown in April 20, but July 20 sowing takes 32~35 days. Ear weight, ear diameter, 100-kernel weight and starch content of colored waxy corn were increased as ears matured (p<0.05). Growth temperature was getting decreased during the ripening stage of second cropping, the rate of ear and kernel development had slowed. Starch granules started to accumulate in the cells around the pericarp, then developed in the cells around the embryo. In the second cropping, starch granules in the kernel of colored waxy corn were less compact than the first cropping. The contents of total anthocyanins, cyanidin-3-glucoside and pelargonidin-3-glucoside were increased according to ripening (p<0.05). These results will be helpful to farmers for double cropping of colored waxy corn cultivation and management.

Keywords
colored waxy maize
ripening
ear
kernel
anthocyanins
References

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Information
  • Publisher :The Korean Society of Crop Science
  • Publisher(Ko) :한국작물학회
  • Journal Title :The Korean Journal of Crop Science
  • Journal Title(Ko) :한국작물학회지
  • Volume : 60
  • No :3
  • Pages :308-317
  • Received Date : 2015-08-06
  • Revised Date : 2015-08-18
  • Accepted Date : 2015-08-19
  • DOI :https://doi.org/10.7740/kjcs.2015.60.3.308
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