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Copyright © 2024 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.
| Cultivar |
Flowering Date |
Maturity Date |
Height (cm) |
No. of Nodes |
No. of Branches |
No. of Pods |
First pod Height (cm) |
100-seed Weight (g) |
Lodging (1-9)z |
Shattering | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||||||||
|
Normal Culture |
Dense Culture |
Field |
Ratio by Oven Test(%)y |
Field (1-9)z |
||||||||||
| Seum | 8.4 | 10.21 | 67 | 17 | 5 | 104 | 11 | 11.4 | 2 | 1 | 5 | 64.6 | 3 | |
| Socheongja | 8.11 | 10.15 | 84 | 17 | 4 | 100 | 16 | 11.5 | 4 | 2 | 6 | 100.0 | ||
| t-valuex | - | - | -3.99** | -0.90ns | 3.13** | 0.43ns | -4.13** | -0.38ns | - | - | - | - | - | |
| Cultivar | Bacterial Pustule (0-9)z | Soybean Mosaic Virusy | Root Rot (%)x | |||
|---|---|---|---|---|---|---|
|
|
|
|||||
| Field | Inoculation | Inoculation (G6H) | Field (0-9)z | |||
| Seum | 1 | 2 | / M | 2 | 0 | |
| Socheongja | 1 | 1 | Mo / M | 1 | 0 | |
| Cultivar | Crude Protein (%) | Crude Oil (%) | Ratio of Water Absorption (%) | Sugar Content (mg/g) | Anthocyanin Content (µg/g) | Isoflavone Content (µg/g) | ||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||||
| 2 hr | 6 hr | 12 hr | Sucrose | Totalz | ||||||
| Seum | 41.4z | 17.5 | 147 | 192 | 214 | 36.2 | 68.8 | 19,501 | 1,932 | |
| Socheongja | 41.9 | 16.1 | 161 | 210 | 227 | 40.4 | 74.6 | 19,244 | 2,085 | |
|
|
||||||||||
| t-value | -0.52ns | 7.03* | -0.98ns | -1.17ns | -1.90ns | -0.64ns | -0.50ns | 0.10ns | -0.36ns | |
| Cultivar | Yield (kg/10a) | Indexx | ||
|---|---|---|---|---|
|
|
||||
| PYT ('16)z | AYT ('17)y | Mean | ||
| Seum | 339 | 321 | 330 | 104 |
| Socheongja | - | 318 | 318 | 100 |
| Location | Seum | Socheongja | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||||
| 2018 | 2019 | 2020 | Mean | Indexz | 2018 | 2019 | 2020 | Mean | ||
| Suwon | 364 | 337 | 334 | 345 | 119 | - | 241 | 339 | 290 | |
| Yeoncheon | 254 | 266 | 272 | 264 | 106 | 302 | 237 | 207 | 249 | |
| Chuncheon | 256 | 255 | 251 | 254 | 108 | 207 | 253 | 246 | 235 | |
| Naju | 357 | 297 | 298 | 317 | 109 | 351 | 242 | 283 | 292 | |
| Dalseong | 282 | 298 | 295 | 282 | 130 | 205 | 233 | 235 | 224 | |
| Yesan | 269 | 232 | 301 | 267 | 113 | 228 | 253 | 227 | 236 | |
| Daegu | 304 | 282 | 327 | 304 | 121 | 286 | 213 | 256 | 252 | |
| Mean | 298 | 281 | 297 | 292 | 116 | 263 | 239 | 256 | 252 | |
|
|
||||||||||
| t-valuey | - | - | - | 3.29** | - | - | - | - | - | |
Qualitative characteristics of ‘Seum’.
| Cultivar | Growth Habit |
Leaflet Shape |
Flower Color |
Pubescence Color |
Seed coat Color |
Cotyledon Color |
Seed Shape |
|---|---|---|---|---|---|---|---|
| Seum | Determinate | Lanceolate | Purple | Brown | Black | Green | Spherical |
| Socheongja | Determinate | Oval | White | Brown | Black | Green | Spherical |
Mean value of quantitative characteristics of ‘Seum’ 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) |
Lodging (1-9)z |
Shattering | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Normal Culture |
Dense Culture |
Field |
Ratio by Oven Test(%)y | Field (1-9)z |
||||||||||
| Seum | 8.4 | 10.21 | 67 | 17 | 5 | 104 | 11 | 11.4 | 2 | 1 | 5 | 64.6 | 3 | |
| Socheongja | 8.11 | 10.15 | 84 | 17 | 4 | 100 | 16 | 11.5 | 4 | 2 | 6 | 100.0 | ||
| t-valuex | - | - | -3.99** | -0.90ns | 3.13** | 0.43ns | -4.13** | -0.38ns | - | - | - | - | - | |
The resistance of ‘Seum’ to the diseases of soybean evaluated from 2018 to 2020.
| Cultivar | Bacterial Pustule (0-9)z | Soybean Mosaic Virusy | Root Rot (%)x | |||
|---|---|---|---|---|---|---|
| Field | Inoculation | Inoculation (G6H) | Field (0-9)z | |||
| Seum | 1 | 2 | / M | 2 | 0 | |
| Socheongja | 1 | 1 | Mo / M | 1 | 0 | |
z(0) Tolerant~(9) Susceptible
yReaction of inoculated leaf/upper leaves, (-) No symptom, (M) Mosaic, (Mo) Mottle
xRoot rot and damaged seed that were naturally infected in the field were estimated.
Seed quality-related characteristics of ‘Seum’ evaluated from 2018 to 2020.
| Cultivar | Crude Protein (%) | Crude Oil (%) | Ratio of Water Absorption (%) | Sugar Content (mg/g) | Anthocyanin Content (µg/g) | Isoflavone Content (µg/g) | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2 hr | 6 hr | 12 hr | Sucrose | Totalz | ||||||
| Seum | 41.4z | 17.5 | 147 | 192 | 214 | 36.2 | 68.8 | 19,501 | 1,932 | |
| Socheongja | 41.9 | 16.1 | 161 | 210 | 227 | 40.4 | 74.6 | 19,244 | 2,085 | |
| t-value | -0.52ns | 7.03* | -0.98ns | -1.17ns | -1.90ns | -0.64ns | -0.50ns | 0.10ns | -0.36ns | |
zsum of 6 sugars; Stachyose, Raffinose, Sucrose, Glucose, Galactose, and Fructose
yns denotes there was no significant difference and * denotes there was significant difference between ‘Seum’ and ‘Socheongja’ by student t-test at 0.05.
Yield of ‘Seum’ in the preliminary and advanced yield trials.
| Cultivar | Yield (kg/10a) | Indexx | ||
|---|---|---|---|---|
| PYT ('16)z | AYT ('17)y | Mean | ||
| Seum | 339 | 321 | 330 | 104 |
| Socheongja | - | 318 | 318 | 100 |
z(PYT) preliminary yield trial
y(AYT) advanced yield trial
x(Index) mean yield of ‘Seum’/mean yield of ‘Socheongja’×100.
Yield of ‘Seum’ in the regional yield trials at 7 locations.
| Location | Seum | Socheongja | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 2019 | 2020 | Mean | Indexz | 2018 | 2019 | 2020 | Mean | ||
| Suwon | 364 | 337 | 334 | 345 | 119 | - | 241 | 339 | 290 | |
| Yeoncheon | 254 | 266 | 272 | 264 | 106 | 302 | 237 | 207 | 249 | |
| Chuncheon | 256 | 255 | 251 | 254 | 108 | 207 | 253 | 246 | 235 | |
| Naju | 357 | 297 | 298 | 317 | 109 | 351 | 242 | 283 | 292 | |
| Dalseong | 282 | 298 | 295 | 282 | 130 | 205 | 233 | 235 | 224 | |
| Yesan | 269 | 232 | 301 | 267 | 113 | 228 | 253 | 227 | 236 | |
| Daegu | 304 | 282 | 327 | 304 | 121 | 286 | 213 | 256 | 252 | |
| Mean | 298 | 281 | 297 | 292 | 116 | 263 | 239 | 256 | 252 | |
| t-valuey | - | - | - | 3.29** | - | - | - | - | - | |
z(Index) mean yield of ‘Seum’ mean yield of ‘Socheogja’×100
y **denotes significantly different between ‘Seum’ and ‘Socheongja’ at 0.01 by student t-test.
z(1) Tolerant~(9) Susceptible
ythe ratio of shattered pod by dry oven test at 40℃ for 48 hr
x, **denotes there was significant difference between ‘Seum’ and ‘Socheongja’ by student t-test at 0.01.
z(0) Tolerant~(9) Susceptible
yReaction of inoculated leaf/upper leaves, (-) No symptom, (M) Mosaic, (Mo) Mottle
xRoot rot and damaged seed that were naturally infected in the field were estimated.
zsum of 6 sugars; Stachyose, Raffinose, Sucrose, Glucose, Galactose, and Fructose
yns denotes there was no significant difference and * denotes there was significant difference between ‘Seum’ and ‘Socheongja’ by student t-test at 0.05.
z(PYT) preliminary yield trial
y(AYT) advanced yield trial
x(Index) mean yield of ‘Seum’/mean yield of ‘Socheongja’×100.
z(Index) mean yield of ‘Seum’ mean yield of ‘Socheogja’×100
y **denotes significantly different between ‘Seum’ and ‘Socheongja’ at 0.01 by student t-test.
