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New Cultivar Developed

숙기가 빠르고 식미가 우수한 단옥수수 ‘고당옥1호’

김정태1,*, 이진석2,*, 손범영3, 배환희3, 백성범3, 정태욱3, 김상곤4, 김성국3, 정건호2, 김선림3, 고영삼3, 이기범3

‘Godangok 1’, a Good Quality Sweet Single-Cross Corn Hybrid with High Sugar Content

Korean Journal of Breeding Science 2020;52(2):145-150.
Published online: June 1, 2020

1농촌진흥청 국립식량과학원

2농촌진흥청

3농촌진흥청 국립식량과학원 중부작물부

4(재)경남한방항노화연구원

1National Institute of Crop Science, RDA, Jeonju, 55365, Republic of Korea

2Rural Development Administration, Jeonju, 54875, Republic of Korea

3National Institute of Crop Science, RDA, Suwon, 16429, Republic of Korea

4Gyeongnam Oriental Anti-aging Institute, Sancheong, 52215, Republic of Korea

* Co-corresponding Author: Jin-Seok Lee (E-mail: z9813139@korea.kr, Tel: +82-63-238-0751, Fax: +82-63-238-1777)
* Corresponding Author: Jung-Tae Kim (E-mail: kimjt@kerea.kr, Tel: +82-63-238-5133, Fax: +82-63-238-5157)
• Received: February 12, 2020   • Revised: February 17, 2020   • Accepted: February 21, 2020

Copyright © 2020 by the Korean Society of Breeding Science

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • ‘Godangok2’, A Single-cross Sweet Corn Hybrid with High Sugar Content and Superior Eating Quality
    Hwan-Hee Bae, Young-Sam Go, Jae-Han Son, Jun-Young Ha, Jin-Seok Lee, Jung-Tae Kim, Seong-Hyu Shin, Yu-Chan Choi, Tae-Wook Jung
    Korean Journal of Breeding Science.2025; 57(4): 521.     CrossRef

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‘Godangok 1’, a Good Quality Sweet Single-Cross Corn Hybrid with High Sugar Content
Korean. J. Breed. Sci.. 2020;52(2):145-150.   Published online June 1, 2020
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Korean. J. Breed. Sci.. 2020;52(2):145-150.   Published online June 1, 2020
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‘Godangok 1’, a Good Quality Sweet Single-Cross Corn Hybrid with High Sugar Content
Image Image
Fig. 1 Breeding procedure of ‘Godangok1’.
Fig. 2 Plant type and ear appearance of ‘Godangok1’ (left: plants, right: ears).
‘Godangok 1’, a Good Quality Sweet Single-Cross Corn Hybrid with High Sugar Content

Agronomic characteristics of ‘Godangok1’ ('14~'16, RYT)

Hybrid Days to silking (days) Culm length (cm) Ear height ratio (%) Ear characteristics

Length (cm) Width (cm) Kernel set ratio (%)
Godangok1 59 158 29 18.7 4.1 96
Danok3 59 156 37 18.1 4.5 90

Resistance to disease and lodging tolerance of ‘Godangok1’ ('14~'16, RYT)

Hybrid Disease resistance (0~9)z Corn borer (0~9)y Lodgingzy tolerance (1~9)x

Bipolaris maydis Exserohilum turcicum
Godangok1 4 1 7 2
Danok3 4 1 7 3

Kernel quality and sensory evaluation of ‘Godangok1’ ('14~'16, RYT)

Hybrid °Brix 100 kernel weight (g) Grain Hardness (g/3.14 mm2) Sensory evluationz (1~9)z

Lenght (mm) With (mm)
Godangok1 20.8a 27.4a 8.4a 7.9a 221a 5.7a
Danok3 16.1b 31.2a 9.0a 8.8a 226a 4.4b

The yield of ‘Godangok1’ in number of fresh ears in regional yield trials for three years. ('14~'16, RYT)

Location Godangok1 (ears/10a) Danok 3 (ears/10a)


14 15 16 Mean 14 15 16 Mean
Suwon 6,597 6,319 6,667 6,528 6,319 5,347 6,181 5,949
Hongcheon 6,023 6,270 5,775 6,023 6,600 5,363 5,198 5,720
Cheongju 6,615 7,761 6,667 7,014 6,458 6,354 6,510 6,441
Daegu 6,615 6,823 6,563 6,667 6,615 6,354 6,146 6,372
Jinju 6,617 6,600 6,033 6,417 6,500 6,369 6,484 6,451
Mean 6,493 6,755 6,341 6,530 6,498 5,957 6,104 6,187

tsz = 3.32ns

The yield of ‘Godangok1’ in fresh ear weight in regional yield trials for three years. ('14~'16, RYT)

Location Godangok1 (kg/10a) Danok 3 (kg/10a)


14 15 16 Mean 14 15 16 Mean
Suwon 865 701 1,051 872 957 521 907 795
Hongcheon 892 1,113 966 990 906 1,333 1,057 1,099
Cheongju 1,393 1,514 1,212 1,373 1,352 1,417 1,070 1,280
Daegu 1,392 1,176 1,096 1,221 1,387 1,354 1,290 1,344
Jinju 1,216 1,258 1,244 1,239 1,428 1,422 1,401 1,417
Mean 1,152 1,152 1,114 1,139 1,206 1,209 1,145 1,187

tsz = 0.99ns

Seed production trial of ‘Godangok1’ in Yeongwol (2016).

Planting Pattern (♀:♂) Inbred Silking date Pollen dispersal Plant height (cm) Ear height (cm) F1 seed production (kg/10a)
2:1 KSE13 (♀) June 28 - 123 44 178
KSE37 (♂) - June 26 to July 3 125 26
3:1 KSE13 (♀) June 28 - 118 46 87
KSE37 (♂) - June 26 to July 3 107 27
4:1 KSE13 (♀) June 28 - 105 36 51
KSE37 (♂) - June 26 to July 3 102 21
Table 1 Agronomic characteristics of ‘Godangok1’ ('14~'16, RYT)
Table 2 Resistance to disease and lodging tolerance of ‘Godangok1’ ('14~'16, RYT)

Resistance to disease (0: resistant, 9: susceptible), yCorn bore (0: resistant, 9: susceptible), xLodgingzy tolerance (0: strong, 9: weaki)

Table 3 Kernel quality and sensory evaluation of ‘Godangok1’ ('14~'16, RYT)

Sensory evaluation (1: poor, 9: excellent)

Means in the same column followed by teh same letter are not significantly different by Least significant difference at p<0.05

Table 4 The yield of ‘Godangok1’ in number of fresh ears in regional yield trials for three years. ('14~'16, RYT)

Student’s t-test at the two probability level (**p<0.01, *p<0.05, nsp≥0.05)

Table 5 The yield of ‘Godangok1’ in fresh ear weight in regional yield trials for three years. ('14~'16, RYT)

Student’s t-test at the two probability level (**p<0.01, *p<0.05, nsp≥0.05)

Table 6 Seed production trial of ‘Godangok1’ in Yeongwol (2016).