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Copyright © 2025 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.
z(0) Tolerant~(9) Susceptible.
yReaction of inoculated leaf/upper leaves, (-) No symptom, (Mo) Mottle, (N) Necrosis, (M) Mosaic.
x(1) Tolerant~(9) Susceptible.
wthe ratio of shattered pod by dry oven test at 40℃ for 48 hr.
vRoot rot and damaged seed that were naturally infected in the field were estimated.
| Cultivar | Yield (kg/10a) | Indexx | ||
|---|---|---|---|---|
|
|
||||
| PYT (’16)z | AYT (’17)y | Mean | ||
| Saedeul | 364 | 321 | 342 | 122 |
| Cheongja3ho | 352 | 210 | 281 | 100 |
|
|
||||
| t-valuew | 1.22ns | 4.11* | 2.09ns | - |
| Location | Saedeul | Cheongja3ho | t-valuey | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
||||||||||
| 2018 | 2019 | 2020 | Mean | Indexz | 2018 | 2019 | 2020 | Mean | |||
| Suwon | 305 | 267 | 259 | 277 | 97 | 298 | 285 | 277 | 287 | -0.63ns | |
| Yeoncheon | 273 | 226 | 162 | 220 | 97 | 292 | 233 | 155 | 227 | -0.12ns | |
| Chuncheon | 231 | 313 | 230 | 258 | 106 | 230 | 274 | 226 | 243 | 0.47ns | |
| Naju | 359 | 268 | 252 | 293 | 97 | 334 | 272 | 298 | 301 | -0.22ns | |
| Dalseong | 221 | 267 | 323 | 270 | 127 | 189 | 219 | 229 | 212 | 1.82ns | |
| Yesan | 234 | 188 | 250 | 224 | 114 | 221 | 181 | 189 | 197 | 1.21ns | |
| Daegu | 297 | 264 | 302 | 288 | 129 | 218 | 227 | 228 | 224 | 5.13* | |
| Mean | 274 | 256 | 254 | 261 | 108 | 255 | 242 | 229 | 242 | 1.40ns | |
Qualitative characteristics of ‘Saedeul’.
| Cultivar | Growth habit | Leaflet shape | Flower color | Pubescence color | Seed coat color | Cotyledon color | Seed shape |
|---|---|---|---|---|---|---|---|
| Saedeul | Determinate | Oval | Purple | Brown | Saddle type (Brown/Yellow) | Yellow | Spherical |
| Cheongja3ho | Determinate | Oval | Purple | Brown | Black | Yellow | Spherical |
Mean value of quantitative characteristics of ‘Saedeul’ in the regional yield trial from 2018 to 2020.
| Cultivar | Flowering date | Maturity date | Height (cm) | No. of nodes | No. of branches | No. of pods | First pod height (cm) | 100-seed weight (g) |
|---|---|---|---|---|---|---|---|---|
| Saedeul | 8.11 | 10.28 | 66 | 17 | 2 | 50 | 17 | 27.9 |
| Cheongja3ho | 8.3 | 10.21 | 69 | 15 | 4 | 40 | 13 | 35.5 |
| t-valuez | 7.56** | 3.41** | -0.90ns | 2.63ns | -5.34** | 2.92** | 2.25* | -9.24** |
zns denotes there was no significant difference and * and ** denotes there was significant difference between ‘Saedeul’ and ‘Cheongja3ho’ by student t-test at 0.05 and 0.01.
The resistance of ‘Saedeul’ to the diseases of soybean evaluated from 2018 to 2020.
| Cultivar | Bacterial pustule (0-9)z | Soybean mosaic virusy | Lodging (1-9)x | Shattering | Root rot (%)v | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Field | Inoculation | Inoculation (G6H) | Field (0-9)z | Normal culture | Dense culture | Field | Field (1-9)x | Ratio by oven test (%)w | |||||
| Saedeul | 1 | 1 | Mo / N | 4 | 2 | 3 | 2 | 2 | 67.9 | 0 | |||
| Cheongja3ho | 1 | 2 | - / M | 3 | 2 | 5 | 3 | 5 | 98.7 | 0 | |||
z(0) Tolerant~(9) Susceptible.
yReaction of inoculated leaf/upper leaves, (-) No symptom, (Mo) Mottle, (N) Necrosis, (M) Mosaic.
x(1) Tolerant~(9) Susceptible.
wthe ratio of shattered pod by dry oven test at 40℃ for 48 hr.
vRoot rot and damaged seed that were naturally infected in the field were estimated.
Seed quality-related characteristics of ‘Saedeul’ evaluated from 2018 to 2020
| Cultivar | Crude protein (%) | Crude oil (%) | Ratio of water absorption (%) | Sugar content (㎎/g) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 hr | 6 hr | 12 hr | Stachyose | Raffinose | Sucrose | Glucose | Galactose | Fructose | Total | ||||
| Saedeul | 39.0 | 18.8 | 161 | 207 | 226 | 25.1 | 6.0 | 44.5 | 3.1 | 1.2 | 0.5 | 80.4 | |
| Cheongja3ho | 42.3 | 16.4 | 168 | 214 | 233 | 21.7 | 7.4 | 49.2 | 3.2 | 1.6 | 0.5 | 83.6 | |
| t-valuez | -3.38* | 5.43** | - | - | - | 1.68ns | -0.90ns | -0.63ns | -0.13ns | -1.29ns | -0.05ns | -0.09ns | |
| Cultivar | Isoflavone content (㎍/g) | ||||||||||||
| Saedeul | Daidzin | Glycitin | Genistin | Daidzein | Glycitein | Genistein | Malonyl-daidzin | Malonyl-glycitin | Malonyl-genistin | Acetyl- daidzin | Acetyl- glycitin | Acetyl- genistin | Total |
| Cheongja3ho | 275 | 36 | 352 | 142 | 21 | 125 | 1,688 | 113 | 1,208 | 637 | 2 | 67 | 4,668 |
| t-valuez | 86 | 19 | 143 | 27 | 10 | 56 | 679 | 60 | 633 | 384 | 4 | 20 | 2,115 |
| 4.42* | 2.80ns | 3.25ns | 1.73ns | 1.00ns | 2.23ns | 9.86** | 12.3** | 0.85ns | 0.35ns | -0.62ns | 0.69ns | 10.9** | |
zns denotes there was no significant difference and * and ** denote there was significant difference between ‘Saedeul’ and ‘Cheongja3ho’ by student t-test at 0.05 and 0.01.
Yield of ‘Saedeul’ in the preliminary and advanced yield trials.
| Cultivar | Yield (kg/10a) | Indexx | ||
|---|---|---|---|---|
| PYT (’16)z | AYT (’17)y | Mean | ||
| Saedeul | 364 | 321 | 342 | 122 |
| Cheongja3ho | 352 | 210 | 281 | 100 |
| t-valuew | 1.22ns | 4.11* | 2.09ns | - |
z(PYT) preliminary yield trial
y(AYT) advanced yield trial
x(Index) mean yield of ‘Saedeul’/mean yield of ‘Cheongja3ho’×100.
wns denotes there was no significant difference and * denotes there was significant difference between ‘Saedeul’ and Cheongja3ho’ by student t-test at 0.05.
Yield of ‘Saedeul’ in the regional yield trials at 7 locations.
| Location | Saedeul | Cheongja3ho | t-valuey | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 2019 | 2020 | Mean | Indexz | 2018 | 2019 | 2020 | Mean | |||
| Suwon | 305 | 267 | 259 | 277 | 97 | 298 | 285 | 277 | 287 | -0.63ns | |
| Yeoncheon | 273 | 226 | 162 | 220 | 97 | 292 | 233 | 155 | 227 | -0.12ns | |
| Chuncheon | 231 | 313 | 230 | 258 | 106 | 230 | 274 | 226 | 243 | 0.47ns | |
| Naju | 359 | 268 | 252 | 293 | 97 | 334 | 272 | 298 | 301 | -0.22ns | |
| Dalseong | 221 | 267 | 323 | 270 | 127 | 189 | 219 | 229 | 212 | 1.82ns | |
| Yesan | 234 | 188 | 250 | 224 | 114 | 221 | 181 | 189 | 197 | 1.21ns | |
| Daegu | 297 | 264 | 302 | 288 | 129 | 218 | 227 | 228 | 224 | 5.13* | |
| Mean | 274 | 256 | 254 | 261 | 108 | 255 | 242 | 229 | 242 | 1.40ns | |
z(Index) mean yield of ‘Saedeul’ mean yield of ‘Cheongja3ho’×100
yns denotes there was no significant difference and * denotes significantly different between ‘Saedeul’ and ‘Cheongja3ho’ at 0.05 by student t-test.
zns denotes there was no significant difference and * and ** denotes there was significant difference between ‘Saedeul’ and ‘Cheongja3ho’ by student t-test at 0.05 and 0.01.
z(0) Tolerant~(9) Susceptible.
yReaction of inoculated leaf/upper leaves, (-) No symptom, (Mo) Mottle, (N) Necrosis, (M) Mosaic.
x(1) Tolerant~(9) Susceptible.
wthe ratio of shattered pod by dry oven test at 40℃ for 48 hr.
vRoot rot and damaged seed that were naturally infected in the field were estimated.
zns denotes there was no significant difference and * and ** denote there was significant difference between ‘Saedeul’ and ‘Cheongja3ho’ by student t-test at 0.05 and 0.01.
z(PYT) preliminary yield trial
y(AYT) advanced yield trial
x(Index) mean yield of ‘Saedeul’/mean yield of ‘Cheongja3ho’×100.
wns denotes there was no significant difference and * denotes there was significant difference between ‘Saedeul’ and Cheongja3ho’ by student t-test at 0.05.
z(Index) mean yield of ‘Saedeul’ mean yield of ‘Cheongja3ho’×100
yns denotes there was no significant difference and * denotes significantly different between ‘Saedeul’ and ‘Cheongja3ho’ at 0.05 by student t-test.
