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New Cultivar Developed

2모작 적응 준조숙 내탈립 대립 다수성 콩 품종 ‘선유2호’

강범규1,*, 서정현1, 김현태1, 백인열1, 최만수1, 박장환1, 윤홍태1, 신상욱1, 김홍식1, 곽도연1, 고지연1, 성정숙1, 황재복1, 김준회1, 허수빈1, 정찬식1, 김남걸1, 조영민2, 손창희3

Semi-Early Maturing, Shattering Resistant, Large Seed, and High Yield Soybean Cultivar, “Seonyu2ho,” for Double Cropping

Korean Journal of Breeding Science 2022;54(4):411-420.
Published online: December 1, 2022

1농촌진흥청 국립식량과학원

2전라북도농업기술원

3경상남도농업기술원

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

2Jeollabuk-do Agricultural Research & Extension Service, Iksan 54591, Republic of Korea

3Gyeongsangnam-do Agricultural Research & Extension Service, Jinju 52733, Republic of Korea

*Corresponding Author (E-mail: hellobk01@korea.kr, Tel: +82-55-350-1233)
• Received: August 17, 2022   • Revised: October 1, 2022   • Accepted: October 1, 2022

Copyright © 2022 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
  • ‘Ganghan,’ A High-Yielding and Mechanization-Compatible Soybean Cultivar with Lodging and Pod Shattering Resistance
    Namgeol Kim, Seuk-Ki Lee, Yo-han Yoo, Inhye Lee, Kwang-soo Cho, Min-Jung Seo, BeomKyu Kang, JeongHyun Seo, JunHoi Kim, SuVin Heo, Jinsil Choi, Hyeon Tae Cho
    Korean Journal of Breeding Science.2025; 57(3): 315.     CrossRef
  • Miscanthus-Derived Biochar Enhanced Soil Fertility and Soybean Growth in Upland Soil
    Da-Hee An, Dong-Chil Chang, Kwang-Soo Kim, Ji-Eun Lee, Young-Lok Cha, Jae-Hee Jeong, Ji-Bong Choi, Soo-Yeon Kim
    Agriculture.2023; 13(9): 1738.     CrossRef

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Semi-Early Maturing, Shattering Resistant, Large Seed, and High Yield Soybean Cultivar, “Seonyu2ho,” for Double Cropping
Korean. J. Breed. Sci.. 2022;54(4):411-420.   Published online December 1, 2022
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Semi-Early Maturing, Shattering Resistant, Large Seed, and High Yield Soybean Cultivar, “Seonyu2ho,” for Double Cropping
Korean. J. Breed. Sci.. 2022;54(4):411-420.   Published online December 1, 2022
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Semi-Early Maturing, Shattering Resistant, Large Seed, and High Yield Soybean Cultivar, “Seonyu2ho,” for Double Cropping
Image Image Image Image
Fig. 1 Pedigree diagram of 'Seonyu2ho'.
Fig. 2 Genealogy of 'Seonyu2ho'
Fig. 3 Characteristics for appearance of ‘Seonyu2ho’.
Fig. 4 Field application and maturing characteristics of ‘Seonyu2ho’ compared to long-day growing cultivar.
Semi-Early Maturing, Shattering Resistant, Large Seed, and High Yield Soybean Cultivar, “Seonyu2ho,” for Double Cropping

Qualitative characteristics of ‘Seonyu2ho’.

Cultivar Growth type Leaflet shape Flower color Pubescence color Pod color Seed coat color Hilum color Seed shape
Seonyu2ho Determinate Oval White Grey Yellowish brown Yellow Yellow Spherical flattened
Taekwangkong Determinate Oval Purple Grey Yellowish brown Yellow Yellow Spherical
Saeolkong Determinate Oval White Grey Yellowish brown Yellow Light brown Spherical flattened

Quantitative characteristics of ‘Seonyu2ho’ determined by regional yield trial from 2017 to 2019.

Cultivar Flowering date Maturity date Stem height (cm) First pod height (cm) No. of nods No. of branch No. of pods per plant No. of seeds per pod Weight per 100 seeds (g)
Seonyu2ho July 28 Oct 5 49b 12ab 11a 3.0ab 39a 1.9a 27.9ab
Taekwangkong July 31 Oct 11 63a 15a 13a 3.8a 42a 2.0a 26.4b
Saeolkong July 25 Sep 29 45b 9b 10a 2.2b 31b 2.0a 29.2a

Quantitative characteristics of ‘Seonyu2ho’ by late-seeded trial in Dalseong area from 2018 to 2019.

Cultivar Flowering
date
Maturity
date
Stem height
(cm)
First pod height (cm) No. of
nods
No. of
branches
No. of
pods per plant
Weight per 100 seeds (g) Yield
(kg/10a)
Seonyu2ho Aug 16 Oct 19 41c 12b 9c 2.4a 37b 29.4a 263a
Taekwangkong Aug 18 Oct 20 53a 16a 12a 3.6a 50a 23.7b 232a
Saeolkong Aug 13 Oct 7 46b 14ab 10b 2.3a 28c 29.6a 205a

Maturing date and growing days of ‘Seonyu2ho’ compared to ‘Taekwangkong’ and ‘Saeolkong’ on the regional yield trials carried out at 4 locations.

Location Seonyu2ho Taekwangkong Saeolkong
2017 2018 2019 Mean Days from planting to maturity 2017 2018 2019 Mean Days from planting to maturity 2017 2018 2019 Mean Days from planting to maturity
Suwon Sept.25 Sept.29 Oct. 2 Sept.28 111 Sept.28 Oct.16 Oct.11 Oct. 8 121 Sept.17 Oct. 6 Sept.25 Sept.26 108
Dalseong Sept.29 Oct. 5 Oct. 4 Oct. 2 105 Sept.24 Oct.11 Oct.14 Oct. 6 108 Sept.23 Oct.10 Sept.30 Oct. 1 103
Iksan Oct.11 Oct.12 Oct.25 Oct.16 122 Oct.22 Oct.13 Oct.25 Oct.20 126 Sept.25 Sept.30 Oct. 7 Sept.30 107
Jinju Sept.27 Oct. 5 Oct.14 Oct. 5 110 Sept.28 Oct. 9 Oct.27 Oct.11 116 Sept.23 Sept.29 Oct. 6 Sept.29 104
Mean Sept.30 Oct. 5 Oct.11 Oct. 5 112 Oct. 3 Oct.12 Oct.16 Oct.11 118 Sept.22 Oct. 3 Oct. 2 Sept.29 106
t-value(p=0.05) -0.99ns 1.22ns

The response of ‘Soenyu2ho’ to lodging and shattering resistance estimated from 2017 to 2019.

Cultivar Lodging at field (1-9)x Shattering
Normal culture Density culture Field(1-9)y Ratios by oven test(%)z qPDH1-KS
Seonyu2ho 1 2 1 0.4 Resistant
Taekwangkong 1 3 2 54.6 Susceptible
Saeolkong 1 3 7 92.5 Susceptible

The resistance of ‘Seonyu2ho’ to the diseases of soybean estimated from 2017 to 2019.

Cultivar Bacterial pustule (0-9)x Root rot (%) Soybean mosaic virus Percentages of damaged seed(%)
Field
Inoculationy Inoculationz Field
(0-9)
Purple seed stain Seed spot Phomopsis Total
G6H
Seonyu2ho 1 3 0.0 L-N / M 2 2.8 0.5 0.4 3.7
Taekwangkong 2 4 0.0 L-N / N 3 1.9 0.8 0.6 3.3
Saeolkong 1 4 0.0 L / M 5 3.6 1.0 0.2 4.8

Major chemical components of seed in ‘Seonyu2ho’ estimated from 2017 to 2019.

Cultivar Crude protein
(%)
Crude oil
(%)
Fatty acids (%) Isoflavone (μg/g)
Saturated Unsaturated
Seonyu2ho 40.2b 19.2a 15.9a 84.1b 2,199a
Taekwangkong 39.1b 17.6ab 13.3b 86.7a 1,495a
Saeolkong 43.8a 16.7b 14.5ab 85.5ab 1,366a

Evaluation of tofu characteristics of ‘Seonyu2ho’.

Cultivar Yield
(%)x
Bean curd
residue
(%)
Color valuey Physical characteristics Flavor testz
L a b ΔE Elasticity Gum Cohesiveness Adhesiveness Hardness (g/3.14mm2) Appearance Total
Seonyu2ho 217 128 90 1.0 16.7 0.91 1,891 0.82 1,658 2,210 6.4 5.3
Taekwangkong 208 142 90 0.6 16.7 0.4 0.93 1,922 0.83 1,779 2,321 5.5 4.8
Saeolkong 247 118 90 0.7 18.4 1.7 0.90 1,547 0.83 1,394 1,852 5.3 5.6

Meju (Soybean malt) and Cheonggukjang (fermented soybean) process ability of ‘Seonyu2ho’.

Cultivar Meju yield (%)x Cheonggukjang (Fermented soybean)
Yield (%) Degree of fermentation (1-5)y γ-PGA (mg/g)z
Seonyu2ho 84 205 3 30.9
Taekwangkong 82 208 3 26.4
Saeolkong 85 216 4 43.1

Yield of ‘Seonyu2ho’ compared to ‘Taekwangkong’ and ‘Saeolkong’ on the regional yield trials in 4 locations from 2017 to 2019.

Location Seonyu2ho (ton/ha) Taekwangkong (ton/ha) Saeolkong (ton/ha)
2017 2018 2019 Mean Index 2017 2018 2019 Mean 2017 2018 2019 Mean
Taekwangkong Saeolkong
Suwon 3.45 4.24 3.29 3.66 103 145 3.55 3.88 3.21 3.55 2.57 2.30 2.72 2.53
Dalseong 3.72 3.25 2.96 3.31 108 164 3.46 2.56 3.16 3.06 2.69 1.54 1.83 2.02
Iksan 3.46 2.57 2.62 2.88 103 132 2.88 2.91 2.58 2.79 2.16 2.04 2.33 2.18
Jinju 3.40 3.55 3.55 3.50 113 153 3.14 3.34 2.80 3.09 2.51 2.02 2.34 2.29
Mean 3.51 3.40 3.10 3.34 107 148 3.26 3.17 2.94 3.12 2.48 1.98 2.31 2.25
t-value 1.23ns 6.45***

Farm field application of ‘Seonyu2ho’ in 4 regions in 2021.

Region Soil type Seeding date(Month. Day) Planting distance No. of plants per hole Cropping type (Crop) Yield(kg/10a) Index
Seonyu2ho Taekwangkong
Jeollabuk-do Buan-gun Paddy June 23 70×30 cm 4.5 Double (Wheat) 339 246 138
Jeollabuk-do Kimje-si Paddy June 25 70×28 cm 3.5 Double (Wheat) 306 158z 194
Kyeongsangnam-do Hapcheon-gun Paddy July 14 60×20 cm 3.5 Double (Onion) 377 273 138
Choongcheongbuk-doGoesan-gun Paddy June 14 90×30 cm 3.5 Mono 328 - -
Table 1 Qualitative characteristics of ‘Seonyu2ho’.
Table 2 Quantitative characteristics of ‘Seonyu2ho’ determined by regional yield trial from 2017 to 2019.

Same letters in the column were not significantly different by DMRT at 0.05 level of probability.

Table 3 Quantitative characteristics of ‘Seonyu2ho’ by late-seeded trial in Dalseong area from 2018 to 2019.

Same letters in the column were not significantly different by DMRT at 0.05 level of probability.

Table 4 Maturing date and growing days of ‘Seonyu2ho’ compared to ‘Taekwangkong’ and ‘Saeolkong’ on the regional yield trials carried out at 4 locations.

nsmeans none-significant by t-test at 0.05 level of probability.

Table 5 The response of ‘Soenyu2ho’ to lodging and shattering resistance estimated from 2017 to 2019.

zShattering ratio after 48 hr at 40℃ dry oven

y1: difficult, 5: Medium, 9:Easy to shattering

x1: Tolerant, 9: Susceptible, Normal culture : 60×15 cm and 2 plants per hole, Density culture : 60×7.5 cm and 2 plants per hole

Table 6 The resistance of ‘Seonyu2ho’ to the diseases of soybean estimated from 2017 to 2019.

zReaction of inoculated leaf/upper leaves (L: Local reaction, M: Mosaic, N: Necrosis, L-N: Local necrosis)

y8ra strain was used for bacterial pustule inoculation

x0: Resistant, 9: Susceptible

Table 7 Major chemical components of seed in ‘Seonyu2ho’ estimated from 2017 to 2019.

Same letters in the column are not significantly different by DMRT at 0.05 level of probability

Table 8 Evaluation of tofu characteristics of ‘Seonyu2ho’.

zn=15, 1(worst)~9(best) compared to ‘Daewonkong (standard cultivar, score ‘5.0’)’

yL : lightness, a : (-) Green~(+) Red, b : - (Blue)~(+)Y ellow, ΔE : 0~0.5% (trace difference), 1.5~3.0% (noticeable difference)

xYield = tofu weight / seed weight×100

Table 9 Meju (Soybean malt) and Cheonggukjang (fermented soybean) process ability of ‘Seonyu2ho’.

zgamma polyglutamic acid

y1: worst, 2: bad, 3: fair, 4: good, 5: best

xmeju weight / seed weight×100

Table 10 Yield of ‘Seonyu2ho’ compared to ‘Taekwangkong’ and ‘Saeolkong’ on the regional yield trials in 4 locations from 2017 to 2019.

nsnon-significant at 0.05 level of probability by t-test between ‘Seonyu2ho’ and ‘Taekwangkong’.

*** Significant at 0.001 level of probability by t-test between ‘Seonyu2ho’ and ‘Saeolkong’.

Table 11 Farm field application of ‘Seonyu2ho’ in 4 regions in 2021.

z low estimation by pod shattering for harvesting delay.