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다수성 종실용 옥수수 단교잡 신품종 ‘황다옥’

손범영*, 백성범, 김정태, 이진석, 배환희, 고영삼, 김선림

Single Cross Maize Hybrid ‘Hwangdaok’ for High Grain Yield

Korean Journal of Breeding Science 2019;51(2):105-109.
Published online: June 1, 2019

국립식량과학원

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

*(E-mail: sonby@korea.kr, Tel: +82-31-695-4039, Fax: +82-31-695-4029)
• Received: March 20, 2019   • Revised: March 26, 2019   • Accepted: April 20, 2019

Copyright: © 2019 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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    Korean Journal of Breeding Science.2025; 57(4): 475.     CrossRef
  • High phytosterol levels in corn cobs point to their sustainable use as a nutritional source
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    Applied Biological Chemistry.2022;[Epub]     CrossRef
  • Measuring antioxidant activity in yellow corn (Zea mays L.) inbreds from three different geographic regions
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    Applied Biological Chemistry.2021;[Epub]     CrossRef
  • Changes and Prospects in the Development of Corn Varieties in Korea
    Seong-Bum Baek, Beom-Young Son, Jung-Tae Kim, Hwan-Hee Bae, Young-Sam Go, Sun-Lim Kim
    Korean Journal of Breeding Science.2020; 52(S): 93.     CrossRef

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Single Cross Maize Hybrid ‘Hwangdaok’ for High Grain Yield
Korean. J. Breed. Sci.. 2019;51(2):105-109.   Published online June 1, 2019
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Korean. J. Breed. Sci.. 2019;51(2):105-109.   Published online June 1, 2019
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Single Cross Maize Hybrid ‘Hwangdaok’ for High Grain Yield
Image Image
Fig. 1 Breeding procedure of ‘Hwangdaok’.
Fig. 2 Picture of plant type and ear appearance of ‘Hwangdaok’.
Single Cross Maize Hybrid ‘Hwangdaok’ for High Grain Yield

Color of silk, seed coat and type of grain of ‘Hwangdaok’.

Hybrid Color of silk Color of seed coat Type of grain
Hwangdaok Light green Yellow Dent
Jangdaok Light green Yellow Dent

Agronomic characteristics of ‘Hwangdaok’.

Hybrid Days to silking
(days)
Plant height
(cm)
Ratioz
(%)
Lodgingy
(1~9)
Ear per 100 plants
(No.)
Ear length
(cm)
100 seeds weight
(g)
Hwangdaok 76a 262a 51a 3.3a 95a 21.3a 34.7a
Jangdaok 77a 258a 49a 2.4a 94a 21.5a 33.1a

zEar height ratio = ear height/plant height × 100

y1 : excellent, 9 : poor

Values within a column followed by the same letter are not significantly different at the 0.05 level

Resistance to disease of ‘Hwangdaok’.

Hybrid Disease resistancez Corn borery (0~9)

Southern leaf blight (0~9) Northern leaf blight (0~9)
Hwangdaok MR (4.0a)x R (1.0a) MR (6.6a)
Jangdaok MR (5.0a) R (1.5a) MR (6.6a)

zDisease resistence: 0 : excellent, 9 : poor

yCorn borerg: 0 : excellent, 9 : poor

xR: Resistance, MR: Moderate Resistance

Values within a column followed by the same letter are not significantly different at the 0.05 level

Grain yield of ‘Hwangdaok’ in preliminary and advanced yield trial at 2012 in Suwon, NICS.

Hybrid Grain yield (ton/ha) Index (%)
Hwangdaok 7.56a 97
Jangdaok 7.79a 100

Values within a column followed by the same letter are not significantly different at the 0.05 level

Grain yield of ‘Hwangdaok’ in regional yield trial from 2014 to 2016.

Location Hwangdaok (ton/ha) Jangdaok (ton/ha)


2014 2015 2016 Mean 2014 2015 2016 Mean
Suwon 8.63 5.84 10.81 8.43a 8.67 6.98 10.13 8.59a
Hongcheon 10.49 11.49 11.51 11.16a 8.40 10.72 9.93 9.68a
Daegu 10.11 9.43 11.68 10.42a 9.42 9.86 10.57 9.95a

Mean 9.74 8.92 11.33 10.00A (106) 8.83 9.19 10.21 9.41A (100)

Values within a column followed by the same letter are not significantly different at the 0.05 level

F1 Seed production trial of ‘Hwangdaok’ at Yeongwol.

Planting rate
(♀:♂)
Inbred Silking date Pollen dispersal
period
Ear length
(cm)
Fertile kernels
(%)
F1seed yield
(ton/ha)
2 : 1 KS203 (♀) July 10 - 16.7 91 1.68
KS190 (♂) - July 7~12 - - -

Crude protein, crude oil and lysine content of ‘Hwangdaok’.

Hybrid Crude protein
(g/100g)
Crude oil
(g/100g)
Lysine
(%)
Hwangdaok 9.5a 2.8a 3.4a
Jangdaok 9.1a 3.7a 3.0a

Values within a column followed by the same letter are not significantly different at the 0.05 level

Table 1 Color of silk, seed coat and type of grain of ‘Hwangdaok’.
Table 2 Agronomic characteristics of ‘Hwangdaok’.

Ear height ratio = ear height/plant height × 100

1 : excellent, 9 : poor

Values within a column followed by the same letter are not significantly different at the 0.05 level

Table 3 Resistance to disease of ‘Hwangdaok’.

Disease resistence: 0 : excellent, 9 : poor

Corn borerg: 0 : excellent, 9 : poor

R: Resistance, MR: Moderate Resistance

Values within a column followed by the same letter are not significantly different at the 0.05 level

Table 4 Grain yield of ‘Hwangdaok’ in preliminary and advanced yield trial at 2012 in Suwon, NICS.

Values within a column followed by the same letter are not significantly different at the 0.05 level

Table 5 Grain yield of ‘Hwangdaok’ in regional yield trial from 2014 to 2016.

Values within a column followed by the same letter are not significantly different at the 0.05 level

Table 6 F1 Seed production trial of ‘Hwangdaok’ at Yeongwol.
Table 7 Crude protein, crude oil and lysine content of ‘Hwangdaok’.

Values within a column followed by the same letter are not significantly different at the 0.05 level