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New Cultivar Developed

당도가 높고 식미가 우수한 단옥수수 ‘백금옥’

김정태1,*, 이진석2,*, 손범영1, 배환희1, 백성범1, 서민정1, 박장환1, 정태욱1, 김상곤3, 이점호1, 김선림1, 고영삼1

A Sweet Single-Cross Corn Hybrid ‘Baekgeumok’ with High Sugar Content and Good Quality

Korean Journal of Breeding Science 2020;52(1):88-92.
Published online: March 1, 2020

1농촌진흥청 국립식량과학원

2농촌진흥청

3(재)경남한방항노화연구원

1National Institute of Crop Science, RDA, Suwon, 6429, Republic of Korea

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

3Gyeongnam Oriental Anti-aging Institute, Sancheong, 52215, Republic of Korea

* Corresponding Authors: (E-mail: kimjt@korea.kr, Tel: +82-31-695-4040, Fax: +82-31-695-4029 and E-mail: z9813139@korea.kr, Tel: +82-63-238-0751, Fax: +82-63-238-1777)
• Received: January 10, 2020   • Revised: January 12, 2020   • Accepted: January 29, 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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A Sweet Single-Cross Corn Hybrid ‘Baekgeumok’ with High Sugar Content and Good Quality
Korean. J. Breed. Sci.. 2020;52(1):88-92.   Published online March 1, 2020
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Korean. J. Breed. Sci.. 2020;52(1):88-92.   Published online March 1, 2020
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A Sweet Single-Cross Corn Hybrid ‘Baekgeumok’ with High Sugar Content and Good Quality
Image Image Image
Fig. 1 Breeding procedure of ‘Baekgeumko’.
Fig. 2 Plant type and ear appearance of ‘Baekgeumok’ (left: plants, right: ears).
Fig. 3 Plant leaf diseased by Bipolaris maydis of Danok 3 (left) and Baekgeumok (right)
A Sweet Single-Cross Corn Hybrid ‘Baekgeumok’ with High Sugar Content and Good Quality

Agronomic characteristics of Baekgeumok ('12~'15, RYT)

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

Length (cm) Width (cm) Kernel set ratio (%)
Baekgeumok 63 179 32 20.0 4.2 89
Danog 3 60 159 35 18.0 4.5 90
tsz 2.60* 5.15** 4.02** 8.53** 9.61** 0.68ns

Resistance to disease and lodging tolerance of Baekgeumok ('12~'15, RYT)

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

Bipolaris maydis Exserohilum turcicum
Baekgeumok 7 1 6 2
Danog 3 7 2 5 3

Kernel quality and sensory evaluation of Baekgeumok ('12~'15, RYT)

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

Lenght (mm) With (mm)
Baekgeumok 19.5 25.7 7.9 7.9 209 5.4
Danog 3 16.1 27.9 8.7 8.4 193 4.6

tsy 4.69** 0.88ns 1.52ns 1.25ns 0.41ns 3.71*

The yield of Godangok in number of fresh ears in regional yield trials for three years. ('12~'15, RYT)

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


12 13 14 15 Mean 12 13 14 15 Mean
Suwon 5,417 6,250 6,389 6,181 6,059 5,417 5,833 6,319 5,347 5,729
Hongcheon 6,353 6,600 6,600 6,188 6,435 6,380 6,353 6,600 5,363 6,174
Cheongwon 5,667 6,280 6,302 8,386 6,659 5,667 6,182 6,458 6,354 6,165
Daegu 6,353 5,937 6,562 6,511 6,341 6,145 5,833 6,615 6,354 6,237
Jinju 6,667 6,667 6,419 6,500 6,563 6,584 6,417 6,500 6,369 6,467

Mean 6,091 6,347 6,454 6,753 6,411 6,038 6,124 6,498 5,957 6,154

tsz=2.53*

The yield of Baekgeumok in fresh ear weight in regional yield trials for three years. ('12~'15, RYT)

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


12 13 14 15 Mean 12 13 14 15 Mean
Suwon 862 852 908 819 860 678 885 957 521 760
Hongcheon 1,051 811 894 1,222 994 983 709 906 1,333 983
Cheongwon 1,196 1,342 1,211 1,771 1,380 1,233 1,142 1,352 1,417 1,286
Daegu 1,232 1,246 1,263 1,346 1,272 1,258 1,399 1,387 1,354 1,350
Jinju 1,161 1,203 1,111 1,320 1,199 1,231 1,291 1,428 1,422 1,343

Mean 1,100 1,091 1,077 1,296 1,141 1,077 1,085 1,206 1,209 1,144

tsz=0.07ns

Seed production trial of Baekgeumok in Yeongwol (2015).

Planting Pattern (♀ : ♂) Inbred Silking date Pollen dispersal Plant height (cm) Ear height (cm) F1 seed production (kg/10a)
2:1 KSE15 (♀) July 5 - 148 45 134
KSE21 (♂) - July 8 to July 14 157 61

3:1 KSE15 (♀) July 5 - 161 52 166
KSE21 (♂) - July 8 to July 14 164 69

4:1 KSE15 (♀) July 5 - 160 52 213
KSE21 (♂) - July 8 to July 14 175 53
Table 1 Agronomic characteristics of Baekgeumok ('12~'15, RYT)

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

Table 2 Resistance to disease and lodging tolerance of Baekgeumok ('12~'15, RYT)

Resistance to disease (0: resistant, 9: susceptible), ylodging tolerance (1: strong, 9: weak)

Table 3 Kernel quality and sensory evaluation of Baekgeumok ('12~'15, RYT)

Sensory evaluation (1 : poor, 9 : excellent)

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

Table 4 The yield of Godangok in number of fresh ears in regional yield trials for three years. ('12~'15, RYT)

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

Table 5 The yield of Baekgeumok in fresh ear weight in regional yield trials for three years. ('12~'15, 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 Baekgeumok in Yeongwol (2015).