강원도농업기술원
Gangwon Agricultural Research & Extension Services, Chuncheon 24226, Korea
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.
| Hybrid | Days to silking | Plant height (cm) | Relative ear position (%) | Number of tillers | Ear characteristics | ||
|---|---|---|---|---|---|---|---|
|
|
|||||||
| Length (cm) | Kernel setting ratio (%) | Diameter (cm) | |||||
| Jangsuchal | 74az | 246a | 57a | 0.31b | 22.2a | 94a | 4.2b |
| Ilmichal | 71b | 218b | 53b | 0.94a | 19.4b | 95a | 4.5a |
| Hybrid | Pericarp thickness (μm) | Amylopectin content (%) | Sensory evaluation (1: poor – 9: excellent) | |||
|---|---|---|---|---|---|---|
|
|
||||||
| Appearance | Stickiness | Chew degree | Integrated | |||
| Jangsuchal | 38bz | 92.1a | 5.4a | 5.8a | 6.0a | 6.0a |
| Ilmichal | 50a | 91.2a | 4.9a | 4.8b | 4.9b | 5.0b |
| Hybrid | Lodging (1-9)z | Disease resistance (0-9) | Insect damage (0-9) | |
|---|---|---|---|---|
|
|
||||
| Southern leaf blight (Bipolaris maydis)y | Northern leaf blight (Exserohilum turcicum)y | Corn borer (Ostrinia furnacalis)x | ||
| Jangsuchal | 1.4aw | 3.0a | 1.0a | 3.6a |
| Ilmichal | 1.9a | 3.0a | 1.0a | 2.6a |
| Region | Jangsuchal(A) | Ilmichal(B) | Index(%) A/B | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||
| ’12 | ’13 | ’14 | Mean | ’12 | ’13 | ’14 | Mean | ||
| Hongcheon | 6,600 | 5,280 | 5,940 | 5,940 | 6,600 | 6,353 | 6,600 | 6,518 | 91 |
| Suwon | 6,528 | 6,458 | 6,597 | 6,528 | 5,556 | 5,278 | 6,250 | 5,695 | 115 |
| Cheongwon | 5,417 | 6,471 | 6,667 | 6,185 | 5,417 | 6,177 | 6,510 | 6,035 | 102 |
| Daegu | 6,301 | 6,198 | 6,771 | 6,423 | 5,312 | 5,729 | 6,510 | 5,850 | 110 |
| Jinju | 6,667 | 6,667 | 6,500 | 6,611 | 6,667 | 6,667 | 6,150 | 6,495 | 102 |
|
|
|||||||||
| Mean | 6,303 | 6,215 | 6,495 | 6,337bz | 5,910 | 6,041 | 6,404 | 6,119a | 104 |
| Region | Jangsuchal (A) | Ilmichal (B) | Index (%) A/B | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||
| ’12 | ’13 | ’14 | Mean | ’12 | ’13 | ’14 | Mean | ||
| Hongcheon | 1,242 | 857 | 996 | 1,032 | 1,425 | 944 | 1,275 | 1,215 | 85 |
| Suwon | 1,049 | 922 | 1,219 | 1,063 | 957 | 921 | 1,275 | 1,051 | 101 |
| Cheongwon | 1,090 | 1,292 | 1,103 | 1,162 | 1,102 | 1,289 | 1,052 | 1,148 | 101 |
| Daegu | 1,194 | 1,423 | 1,660 | 1,426 | 1,070 | 1,218 | 1,518 | 1,269 | 112 |
| Jinju | 1,402 | 1,593 | 1,431 | 1,475 | 1,336 | 1,480 | 1,273 | 1,363 | 108 |
|
|
|||||||||
| Mean | 1,195 | 1,217 | 1,282 | 1,232az | 1,195 | 1,170 | 1,279 | 1,209a | 102 |
Inherited characteristics of ‘Jangsuchal’ compared with ‘Ilmichal’.
| Hybrid | Type | Anthocyanin coloration | Seed coat | |||
|---|---|---|---|---|---|---|
| Sheath of Leaf | Glumes of tassel | Anthers of tassel | Silks | |||
| Jangsuchal | Single cross | Strong | Very weak | Very weak | Strong | White |
| Ilmichal | Single cross | Medium | Weak | Weak | Very weak | White |
Agronomic characteristics of ‘Jangsuchal’ compared with ‘Ilmichal’.
| Hybrid | Days to silking | Plant height (cm) | Relative ear position (%) | Number of tillers | Ear characteristics | ||
|---|---|---|---|---|---|---|---|
| Length (cm) | Kernel setting ratio (%) | Diameter (cm) | |||||
| Jangsuchal | 74a |
246a | 57a | 0.31b | 22.2a | 94a | 4.2b |
| Ilmichal | 71b | 218b | 53b | 0.94a | 19.4b | 95a | 4.5a |
zHybrids with same letter in each column are not significantly different at the 0.05 probability level
Grain qualities and sensory evaluation of ‘Jangsuchal’ compared with ‘Ilmichal’.
| Hybrid | Pericarp thickness (μm) | Amylopectin content (%) | Sensory evaluation (1: poor – 9: excellent) | |||
|---|---|---|---|---|---|---|
| Appearance | Stickiness | Chew degree | Integrated | |||
| Jangsuchal | 38b |
92.1a | 5.4a | 5.8a | 6.0a | 6.0a |
| Ilmichal | 50a | 91.2a | 4.9a | 4.8b | 4.9b | 5.0b |
zHybrids with same letter in each column are not significantly different at the 0.05 probability level
Resistance to lodging, disease and insect of ‘Jangsuchal’ compared with ‘Ilmichal’.
| Hybrid | Lodging (1-9) |
Disease resistance (0-9) | Insect damage (0-9) | |
|---|---|---|---|---|
| Southern leaf blight (Bipolaris maydis) |
Northern leaf blight (Exserohilum turcicum) |
Corn borer (Ostrinia furnacalis) |
||
| Jangsuchal | 1.4a |
3.0a | 1.0a | 3.6a |
| Ilmichal | 1.9a | 3.0a | 1.0a | 2.6a |
z1: None, 3: <10%, 5: 30-50%, 7: 50-60%, 9: >70%
y0: None, 1: <1%, 3: 1-10%, 5: 10-20%, 7: 20-40%, 9: >40%
x0: None, 1: <1%, 3: 1-5%, 5: 5-10%, 7: 10-20%, 9: >20%
wHybrids with same letter in each column are not significantly different at the 0.05 probability level.
Number of ears per 10a of ‘Jangsuchal’ compared with ‘Ilmichal’ in regional yield trials for three years.
| Region | Jangsuchal(A) | Ilmichal(B) | Index(%) A/B | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ’12 | ’13 | ’14 | Mean | ’12 | ’13 | ’14 | Mean | ||
| Hongcheon | 6,600 | 5,280 | 5,940 | 5,940 | 6,600 | 6,353 | 6,600 | 6,518 | 91 |
| Suwon | 6,528 | 6,458 | 6,597 | 6,528 | 5,556 | 5,278 | 6,250 | 5,695 | 115 |
| Cheongwon | 5,417 | 6,471 | 6,667 | 6,185 | 5,417 | 6,177 | 6,510 | 6,035 | 102 |
| Daegu | 6,301 | 6,198 | 6,771 | 6,423 | 5,312 | 5,729 | 6,510 | 5,850 | 110 |
| Jinju | 6,667 | 6,667 | 6,500 | 6,611 | 6,667 | 6,667 | 6,150 | 6,495 | 102 |
| Mean | 6,303 | 6,215 | 6,495 | 6,337b |
5,910 | 6,041 | 6,404 | 6,119a | 104 |
zHybrids with same letter in a row are not significantly different at the 0.05 probability level.
Fresh ear weight (kg/10a) of ‘Jangsuchal’ compared with ‘Ilmichal’ in regional yield trials for three years.
| Region | Jangsuchal (A) | Ilmichal (B) | Index (%) A/B | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ’12 | ’13 | ’14 | Mean | ’12 | ’13 | ’14 | Mean | ||
| Hongcheon | 1,242 | 857 | 996 | 1,032 | 1,425 | 944 | 1,275 | 1,215 | 85 |
| Suwon | 1,049 | 922 | 1,219 | 1,063 | 957 | 921 | 1,275 | 1,051 | 101 |
| Cheongwon | 1,090 | 1,292 | 1,103 | 1,162 | 1,102 | 1,289 | 1,052 | 1,148 | 101 |
| Daegu | 1,194 | 1,423 | 1,660 | 1,426 | 1,070 | 1,218 | 1,518 | 1,269 | 112 |
| Jinju | 1,402 | 1,593 | 1,431 | 1,475 | 1,336 | 1,480 | 1,273 | 1,363 | 108 |
| Mean | 1,195 | 1,217 | 1,282 | 1,232a |
1,195 | 1,170 | 1,279 | 1,209a | 102 |
zHybrids with same letter in a row are not significantly different at the 0.05 probability level.
Seed production trial of ‘Jangsuchal’ in Hongcheon (2014).
| Planting ratio | Inbred | Planting date | Pollen dispersal period | Silking date | Ear (cm) | 100 kernel weight (g) | F1 seed yield (kg/10a) | |
|---|---|---|---|---|---|---|---|---|
| Length | Diameter | |||||||
| 2 : 1 | HW12(♀) | 4. 17. | - | 7. 8. | 15.0 | 4.1 | 26.2 | 242 |
| (♀:♂) | HW15(♂) | 4. 17. | 7. 7.∼7. 12. | - | - | - | - | - |
Hybrids with same letter in each column are not significantly different at the 0.05 probability level
Hybrids with same letter in each column are not significantly different at the 0.05 probability level
1: None, 3: <10%, 5: 30-50%, 7: 50-60%, 9: >70%
0: None, 1: <1%, 3: 1-10%, 5: 10-20%, 7: 20-40%, 9: >40%
0: None, 1: <1%, 3: 1-5%, 5: 5-10%, 7: 10-20%, 9: >20%
Hybrids with same letter in each column are not significantly different at the 0.05 probability level.
Hybrids with same letter in a row are not significantly different at the 0.05 probability level.
Hybrids with same letter in a row are not significantly different at the 0.05 probability level.