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종피가 터지지 않고 탈립에 강한 녹자엽 검정콩 ‘청자4호’

김현태, 한원영, 서정현*, 강범규, 신상욱, 김홍식, 이영훈, 이병원, 윤홍태, 박장환, 곽도연

Pod Shattering Tolerant Black Soybean Cultivar ‘Cheongja4’ with Green Cotyledon and without Seed Coat Cracking

Korean Journal of Breeding Science 2018;50(3):289-295.
Published online: August 31, 2018

농촌진흥청 국립식량과학원

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

(E-mail: next0501@korea.kr, Tel: +82-55-350-1236, Fax: +82-55-353-3050)
• Received: May 10, 2018   • Accepted: July 20, 2018

Copyright: © 2018 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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Pod Shattering Tolerant Black Soybean Cultivar ‘Cheongja4’ with Green Cotyledon and without Seed Coat Cracking
Korean. J. Breed. Sci.. 2018;50(3):289-295.   Published online September 1, 2018
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Pod Shattering Tolerant Black Soybean Cultivar ‘Cheongja4’ with Green Cotyledon and without Seed Coat Cracking
Korean. J. Breed. Sci.. 2018;50(3):289-295.   Published online September 1, 2018
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Pod Shattering Tolerant Black Soybean Cultivar ‘Cheongja4’ with Green Cotyledon and without Seed Coat Cracking
Image Image Image
Fig. 1 Genealogy of ‘Cheongja4’.
Fig. 2 Pedigree diagram of ‘Cheongja4’, z: Preliminary yield trial, y: Advanced yield trial, x: Regional yield trial.
Fig. 3 Pictures of ‘Cheongja4’ in the comparison of seed coat cracking (left) and at the maturing stage in the field (right).
Pod Shattering Tolerant Black Soybean Cultivar ‘Cheongja4’ with Green Cotyledon and without Seed Coat Cracking

Qualitative characteristics of ‘Cheongja4’.

Cultivar Growth habit Leaflet shape Flower color Pubescence color Seed coat color Cotyledon color Seed shape
Cheongja4 Determinate Oval Purple Brown Black Green Spherical
Cheongja3 Determinate Oval Purple Brown Black Green Spherical

Mean values of quantitative characteristics of ‘Cheongj4’ in the regional yield trial from 2013 to 2015.

Cultivar Flowering Date (Month. Day) Maturity Date (Month. Day) Height (cm) No. of nodes No. of branches No. of pods First pod height (cm) 100-seed weight (g) Lodging at field (1-9)z Shattering

Normal culture Dense culture Field (1-9)z Ratio by Oven test(%)y
Cheongja4 8.5 10.19 72ax 16a 2.9b 50a 19a 30.1b 2 4 2 7.0
Cheongja3 7.30 10.16 75a 16a 3.4a 38b 13b 35.2a 2 4 4 75.2

z(1) Tolerant ~ (9) Susceptible.

ythe ratio of shattered pod by dry oven test at 40°C for 48hr.

xsame letters were not significantly different between ‘Cheongja4’ and ‘Cheongja3’ by student t-test at 0.05.

The resistance of ‘Cheongja4’ to the diseases of soybean evaluated from 2013 to 2015.

Cultivar Bacterial Pustule (0-9)z Soybean Mosaic Virusy Root rot (%)x


Field Inoculation Inoculation Field(0-9)z

G5 G6H G7H
Cheongja4 0 3 M / M - / M - / M 0 3.0
Cheongja3 1 5 - / M - / M - / M 1 1.1

z(0) Tolerant~(9) Susceptible.

yReaction of inoculated leaf/upper leaves, (-) No symptom, (L) Local reaction, (M) Mosaic.

xRoot rot and damaged seed that were naturally infected in the field were estimated.

Seed quality-related characteristics of ‘Cheongja4’ evaluated from 2013 to 2015.

Cultivar Crude Protein (%) Crude Oil (%) Hard seed ratio (%) Ratio of water absorption (%) Sugar content (mg/g) Anothocyanin content (μg/g)



2hr 6hr 12hr Sucrose Total Cy3glc Total
Cheongja4 40.2az 17.9a 1.7a 119a 156a 184a 56.9a 101.5a 18,513a 25,366a
Cheongja3 41.4a 17.2a 0.0a 139a 182a 194a 60.0a 106.5a 15,978a 23,972a

zsame letters were not significantly different between ‘Cheongja4’ and ‘Cheongja3’ by student t-test at 0.05.

Yield of ‘Cheongja4’ in the preliminary and advanced yield trials in Daegu.

Cultivar Yield (Ton/ha) Indexx

PYT(’11)z AYT(’12)y Mean
Cheongja4 291 277 284 125
Cheongja3 243 210 227 100
t-value w -11.03** -3.77* - -

z(PYT) preliminary yield trial.

y(AYT) advanced yield trial.

x(Index) mean yield of ‘Cheongja4’/mean yield of ‘Cheongja3’ × 100.

w **and

*denote significantly different between ‘Cheongja4’ and ‘Cheongja3’ at 0.01 and 0.05 by student t-test, respectively.

Yield of ‘Cheongja4’ in the regional yield trials at 7 locations.

Location Cheongja4 Cheongja3

2013 2014 2015 Mean Indexz 2013 2014 2015 Mean
Suwon 351 316 275 314 141 211 243 212 222
Chuncheon 308 273 - y 291 104 320 239 - 280
Yeoncheon 279 254 218 250 98 260 281 228 256
Dalseong 319 320 333 324 133 235 208 290 244
Yesan 241 185 284 237 144 124 182 189 165
Naju 451 301 484 412 122 399 245 369 338
Chilgok 394 356 345 365 122 376 281 240 299

Mean 335 286 323 314 123 275 240 255 257

t-valuex -4.71**

z(Index) mean yield of ‘Cheongja4’ / mean yield of ‘Cheongja3’ × 100.

ydeletion due to the growth disorder caused by poor decomposed compost.

x **denotes significantly different between ‘Cheongja4’ and ‘Cheongja3’ at 0.01 by student t-test.

Table 1 Qualitative characteristics of ‘Cheongja4’.
Table 2 Mean values of quantitative characteristics of ‘Cheongj4’ in the regional yield trial from 2013 to 2015.

(1) Tolerant ~ (9) Susceptible.

the ratio of shattered pod by dry oven test at 40°C for 48hr.

same letters were not significantly different between ‘Cheongja4’ and ‘Cheongja3’ by student t-test at 0.05.

Table 3 The resistance of ‘Cheongja4’ to the diseases of soybean evaluated from 2013 to 2015.

(0) Tolerant~(9) Susceptible.

Reaction of inoculated leaf/upper leaves, (-) No symptom, (L) Local reaction, (M) Mosaic.

Root rot and damaged seed that were naturally infected in the field were estimated.

Table 4 Seed quality-related characteristics of ‘Cheongja4’ evaluated from 2013 to 2015.

same letters were not significantly different between ‘Cheongja4’ and ‘Cheongja3’ by student t-test at 0.05.

Table 5 Yield of ‘Cheongja4’ in the preliminary and advanced yield trials in Daegu.

(PYT) preliminary yield trial.

(AYT) advanced yield trial.

(Index) mean yield of ‘Cheongja4’/mean yield of ‘Cheongja3’ × 100.

and

denote significantly different between ‘Cheongja4’ and ‘Cheongja3’ at 0.01 and 0.05 by student t-test, respectively.

Table 6 Yield of ‘Cheongja4’ in the regional yield trials at 7 locations.

(Index) mean yield of ‘Cheongja4’ / mean yield of ‘Cheongja3’ × 100.

deletion due to the growth disorder caused by poor decomposed compost.

denotes significantly different between ‘Cheongja4’ and ‘Cheongja3’ at 0.01 by student t-test.