1 농촌진흥청 국립식량과학원
1 NICS, RDA, Milyang 627-803, Korea
2 농촌진흥청 연구정책국
2 RPB, RDA, Jeonju 560-500, Korea
3 ㈜씨알과사람 농업회사법인
3 Seed and people, Co. Ltd., 6271-707, Korea
4 농촌진흥청 국립농업과학원 농업유전자원센터
4 National Academy of Agricultural Science, 441-707, Korea
© Korean Society of Breeding Science All rights reserved
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| Variety | Heading date (mm.dd) | Growth periodw | Characteristic by basic vegetation period | ||
|---|---|---|---|---|---|
|
|
|||||
| Ordinary plantingz | Late plantingy | Ordinary planting | Late planting | ||
|
|
|||||
| Ibaekchal | 7.23ax | 8.6a | 109a | 93a | Medium-Long |
| Hwanggeumgigang | 7.10b | 7.23b | 96b | 79b | Medium |
zOrdinary planting indicates that seeding date is 15th, Jun and planting date is 30th, June
yLate planting indicates that seeding date is 15th, July and planting date is 30th, July
xThe same letters are not significantly different between varieties at the 5% probability level by DMRT
wGrowth period indicates days from seedlings to maturing
| Variety | Leaf color | Anthocyanin in flag leaf | Length of flag leaf | Culm length (cm) | Culm Erectness | Culm Stiffness |
|---|---|---|---|---|---|---|
|
|
||||||
| Ibaekchal | Green | No | Long | 140az | Erect | Strong |
| Hwanggeumgigang | Green | Yes | Medium | 96b | Erect | Medium |
| Variety | Panicle | Spikelet Density | Seed color | Weight of 1,000 seeds (g) | Endosperm | |
|---|---|---|---|---|---|---|
|
|
||||||
| Length (cm) | Type | |||||
|
|
||||||
| Ibaekchal | 40az | Severe droopy | Medium | White | 4.2 | Glutinous |
| Hwanggeumgigang | 36b | Weak droopy | Medium | Brown | 4.9 | Non-Glutinous |
| Variety | Field lodging (0-9) | Grain fertilityy | Damage index by diseases and insectx | |||
|---|---|---|---|---|---|---|
|
|
||||||
| Bacterial stripe | Sheath blight | Rice stripe virus | Pest resistance | |||
|
|
||||||
| Ibaekchal | 1z | Normal | 3 | 3 | 1 | 1 |
| Hwanggeumgigang | 3 | Weak | 3 | 5 | 1 | 1 |
| Variety | Brown/rough rice ratio (%) | Milled rice recovery (%) | Content (mg/100g) | Polyphenol content (μg/g) | DPPH Radical scavenging activity (mgTE./g) | Amylose content (%) | ||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Ca | Mg | K | ||||||
|
|
||||||||
| Ibaekchal | 86.2az | 81.9a | 4.1b | 38.0a | 71.0a | 565a | 12.5a | 8.2a |
| Hwanggeumgigang | 86.4a | 82.1a | 5.1a | 28.4b | 59.1b | 592a | 6.4b | 8.6a |
| Variety | RYT | LAT | ||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| Mean (MT/ha) | Index | Milyang | Wonju | Mean | Index | |
|
|
||||||
| (MT/ha) | ||||||
|
|
||||||
| Ibaekcha | 2.20az | 1.15 | 2.10a | 2.47a | 2.29a | 1.15 |
| Hwanggeumgigang | 1.92b | 1.00 | 1.88b | 2.11a | 2.00b | 1.00 |
Heading date, growth period and Characteristics of basic vegetation period of ‘Ibaekchal and ‘Hwanggeumgigang according to planting culture.
| Variety | Heading date (mm.dd) | Growth period |
Characteristic by basic vegetation period | ||
|---|---|---|---|---|---|
|
|
|||||
| Ordinary planting |
Late planting |
Ordinary planting | Late planting | ||
|
|
|||||
| Ibaekchal | 7.23 |
8.6 |
109 |
93 |
Medium-Long |
| Hwanggeumgigang | 7.10 |
7.23 |
96 |
79 |
Medium |
zOrdinary planting indicates that seeding date is 15th, Jun and planting date is 30th, June
yLate planting indicates that seeding date is 15th, July and planting date is 30th, July
xThe same letters are not significantly different between varieties at the 5% probability level by DMRT
wGrowth period indicates days from seedlings to maturing
Leaf and culm characteristics of ‘Ibaekchal’.
| Variety | Leaf color | Anthocyanin in flag leaf | Length of flag leaf | Culm length (cm) | Culm Erectness | Culm Stiffness |
|---|---|---|---|---|---|---|
|
|
||||||
| Ibaekchal | Green | No | Long | 140 |
Erect | Strong |
| Hwanggeumgigang | Green | Yes | Medium | 96 |
Erect | Medium |
zThe same letters are not significantly different between varieties at the 5% probability level by DMRT
Panicle and grain characteristics of ‘Ibaekchal’.
| Variety | Panicle | Spikelet Density | Seed color | Weight of 1,000 seeds (g) | Endosperm | |
|---|---|---|---|---|---|---|
|
|
||||||
| Length (cm) | Type | |||||
|
|
||||||
| Ibaekchal | 40 |
Severe droopy | Medium | White | 4.2 | Glutinous |
| Hwanggeumgigang | 36 |
Weak droopy | Medium | Brown | 4.9 | Non-Glutinous |
zThe same letters are not significantly different between varieties at the 5% probability level by DMRT
Reaction to physiological stress, lodging tolerance, and major diseases and insect of ‘Ibaekchal’.
| Variety | Field lodging (0-9) | Grain fertility |
Damage index by diseases and insect |
|||
|---|---|---|---|---|---|---|
|
|
||||||
| Bacterial stripe | Sheath blight | Rice stripe virus | Pest resistance | |||
|
|
||||||
| Ibaekchal | 1 |
Normal | 3 | 3 | 1 | 1 |
| Hwanggeumgigang | 3 | Weak | 3 | 5 | 1 | 1 |
zLodging degree: symptomless, 0; 1~5%, 1; 6~10%, 3; 11~50% 5; 54~75%, 7; over 76%, 9
yGrain fertility during rainy season
xDisease and insect degree: symptomless, 0; below 1% of diseased panicle, 1; 1~5%, 3; 6~25%, 5; 26~50%, 7; over 50%, 9
Milling property and functional component of ‘Ibaekchal’.
| Variety | Brown/rough rice ratio (%) | Milled rice recovery (%) | Content (mg/100g) | Polyphenol content (μg/g) | DPPH Radical scavenging activity (mgTE./g) | Amylose content (%) | ||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Ca | Mg | K | ||||||
|
|
||||||||
| Ibaekchal | 86.2 |
81.9 |
4.1 |
38.0 |
71.0 |
565 |
12.5 |
8.2 |
| Hwanggeumgigang | 86.4 |
82.1 |
5.1 |
28.4 |
59.1 |
592 |
6.4 |
8.6 |
zThe same letters are not significantly different between varieties at the 5% probability level by DMRT
Yield performance of ‘Ibaekchal’ at replicated yield trials (RYT) and local adaptability test (LAT).
| Variety | RYT | LAT | ||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| Mean (MT/ha) | Index | Milyang | Wonju | Mean | Index | |
|
|
||||||
| (MT/ha) | ||||||
|
|
||||||
| Ibaekch |
2.20 |
1.15 | 2.10 |
2.47 |
2.29 |
1.15 |
| Hwanggeumgigang | 1.92 |
1.00 | 1.88 |
2.11 |
2.00 |
1.00 |
zThe same letters are not significantly different between varieties at the 5% probability level by DMRT
Ordinary planting indicates that seeding date is 15th, Jun and planting date is 30th, June
Late planting indicates that seeding date is 15th, July and planting date is 30th, July
The same letters are not significantly different between varieties at the 5% probability level by DMRT
Growth period indicates days from seedlings to maturing
The same letters are not significantly different between varieties at the 5% probability level by DMRT
The same letters are not significantly different between varieties at the 5% probability level by DMRT
Lodging degree: symptomless, 0; 1~5%, 1; 6~10%, 3; 11~50% 5; 54~75%, 7; over 76%, 9
Grain fertility during rainy season
Disease and insect degree: symptomless, 0; below 1% of diseased panicle, 1; 1~5%, 3; 6~25%, 5; 26~50%, 7; over 50%, 9
The same letters are not significantly different between varieties at the 5% probability level by DMRT
The same letters are not significantly different between varieties at the 5% probability level by DMRT