1 국립식량과학원 남부작물부
1 Coarse Cereal Crop Research Division, NICS, RDA, Miryang 627-803, Korea
2 국립식량과학원
2 National Institute of Crop Science, RDA, Jeonju, 560-500, Korea
3 국립식량과학원 중부작물부
3 Central Area Crop Breeding Division, NICS, RDA, Suwon, 441-707, Korea
4 국립축산과학원 난지축산연구소
4 Subtropical Animal Experiment Station, NIAS, RDA, Jeju 690-159, Korea
5 농업기술실용화재단,
5 Foundation of Agri. Tech. Commercialization & Transfer, Suwon 441-857, Korea
6 충북농업기술원
6 Chungcheongbuk-do, Agricultural Research and Extension Services, Cheongwon 363-883, Korea
7 충남농업기술원
7 Chungcheongnam-do, Agricultural Research and Extension Services, Yesan 340-861, Korea
8 전남농업기술원
8 Jeollanam-do Agricultural Research & Extension Services, Naju, 520-715, Korea
9 전북대학교
9 Department of Crop Science and Biotechnology, Chonbuk National University, Jeonju 561-756, Korea
© Korean Society of Breeding Science All rights reserved
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 | Growth habit | Plant type | Leaf | Culm | Awn | Kernel | Spike length | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||||
| Color | Width | Length | Diameter | Color | Width | Length | Diameter | ||||
|
|
|||||||||||
| Cheongwoo | III | Mid-erect | DGz | Mx | Lw | M | LWv | M | M | Wu | M |
| Keumkang | III | M | Gy | M | M | M | LW | M | M | W | M |
| Cultivara | Degree of lodging (0~9)z | Withered plant (%)y | Disease resistance (S-R) | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||
| Iksan | Jeju | Cheongwon | Yesan | Naju | High ridge | Low ridge | Fusarium head bligh | Powdery mildew | |
|
|
|||||||||
| Cheongwoo | 1 | 0 | 0 | 0 | 2 | 0.0 | 3.0 | M | S |
| Keumkang | 1 | 1 | 3 | 3 | 3 | 9.3 | 3.0 | M | S |
| Cultivar | Plant height (cm) | Spike length (cm) | Number of tillers per m2 |
|---|---|---|---|
|
|
|||
| Cheongwoo | 91 | 7.1 | 1,070 |
| Keumkang | 86 | 8.0 | 963 |
| Field condition | Cheongwoo(MT/ha) | Keumkang(MT/ha) | ||||||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Location | 2008 | 2009 | mean | Index | 2008 | 2009 | mean | |
|
|
||||||||
| Upland | Jeju | 16.3 | 13.0 | 14.6 | 107 | 15.2 | 15.2 | 13.7 |
| Cheongwon | 13.4 | 18.1 | 15.8 | 112 | 12.1 | 16.0 | 14.1 | |
| Yesan | 10.5 | 16.8 | 13.7 | 116 | 9.3 | 14.3 | 11.8 | |
|
|
||||||||
| Mean | 13.4a+ | 16.0a | 14.7a | 111a | 12.2a | 14.1a | 13.2a | |
|
|
||||||||
| Paddy | Iksan | 13.5 | 17.9 | 15.7 | 125 | 10.7 | 14.5 | 12.6 |
| Naju | 16.3 | 11.7 | 14.0 | 102 | 16.8 | 10.6 | 13.7 | |
|
|
||||||||
| Mean | 14.9a | 14.8a | 14.9a | 113a | 13.7a | 12.6a | 13.1a | |
|
|
||||||||
| Mean | 14.0 | 15.3 | 14.8 | 112 | 12.8 | 13.5 | 13.2 | |
| Cultivar | Crude protein (%) | ADFz (%) | NDFy (%) | TDNx (%) | TDN yield (MT/ha) |
|---|---|---|---|---|---|
|
|
|||||
| Cheongwoo | 7.4a+ | 26.4a | 47.0a | 68.0a | 10.0a |
| Keumkang | 7.3a | 26.5a | 48.3a | 68.0a | 9.0a |
Growth habit and morphological characteristics of ‘Cheongwoo’.
| Cultivar | Growth habit | Plant type | Leaf | Culm | Awn | Kernel | Spike length | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||||
| Color | Width | Length | Diameter | Color | Width | Length | Diameter | ||||
|
|
|||||||||||
| Cheongwoo | III | Mid-erect | DG |
M |
Lw | M | LW |
M | M | W |
M |
| Keumkang | III | M | G |
M | M | M | LW | M | M | W | M |
zDG: dark green
yyG: green
xxM: middle
wwL: long
vLW: light white
uW : white
Heading and yellow ripe stage date of cultivar ‘Cheongwoo’
| Field condition | Region | Heading date | Yellow ripe stage date | ||
|---|---|---|---|---|---|
|
|
|||||
| Cheongwoo | Keumkang | Cheongwoo | Keumkang | ||
|
|
|||||
| Upland | Jeju | April 7 | April 7 | May 7 | May 7 |
| Cheongwon | April 29 | April 29 | May 24 | May 25 | |
| Yesan | May 2 | May 3 | May 28 | May 31 | |
| Mean | April 22 | April 23 | May 19 | May 21 | |
| Paddy | lksan | April 21 | April 22 | May 28 | May 30 |
| Naju | May 1 | May 2 | May 25 | May 26 | |
| Mean | April 26 | April 27 | May 26 | May 28 | |
| Total | April 24 | April 24 | May 22 | May 23 | |
Winter hardiness, lodging and disease resistance of cultivar ‘Cheongwoo’.
| Cultivara | Degree of lodging (0~9) |
Withered plant (%) |
Disease resistance (S-R) | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||
| Iksan | Jeju | Cheongwon | Yesan | Naju | High ridge | Low ridge | Fusarium head bligh | Powdery mildew | |
|
|
|||||||||
| Cheongwoo | 1 | 0 | 0 | 0 | 2 | 0.0 | 3.0 | M | S |
| Keumkang | 1 | 1 | 3 | 3 | 3 | 9.3 | 3.0 | M | S |
zRating score: 0 = excellent or strong, 9 = worst or weak
yData tested at Yeoncheon
xS: susceptible, M: moderate, R: resistant
Agronomic characteristics of cultivar ‘Cheongwoo’.
| Cultivar | Plant height (cm) | Spike length (cm) | Number of tillers per m2 |
|---|---|---|---|
|
|
|||
| Cheongwoo | 91 | 7.1 | 1,070 |
| Keumkang | 86 | 8.0 | 963 |
Forage dry matter yield of cultivar ‘Cheongwoo’ in the regional yield trials.
| Field condition | Cheongwoo(MT/ha) | Keumkang(MT/ha) | ||||||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Location | 2008 | 2009 | mean | Index | 2008 | 2009 | mean | |
|
|
||||||||
| Upland | Jeju | 16.3 | 13.0 | 14.6 | 107 | 15.2 | 15.2 | 13.7 |
| Cheongwon | 13.4 | 18.1 | 15.8 | 112 | 12.1 | 16.0 | 14.1 | |
| Yesan | 10.5 | 16.8 | 13.7 | 116 | 9.3 | 14.3 | 11.8 | |
| Mean | 13.4 |
16.0 |
14.7 |
111 |
12.2 |
14.1 |
13.2 |
|
| Paddy | Iksan | 13.5 | 17.9 | 15.7 | 125 | 10.7 | 14.5 | 12.6 |
| Naju | 16.3 | 11.7 | 14.0 | 102 | 16.8 | 10.6 | 13.7 | |
| Mean | 14.9 |
14.8 |
14.9 |
113 |
13.7 |
12.6 |
13.1 |
|
| Mean | 14.0 | 15.3 | 14.8 | 112 | 12.8 | 13.5 | 13.2 | |
+Values followed by the sample letter are not significantly different.
Forage quality of the cultivar ‘Cheongwoo’
| Cultivar | Crude protein (%) | ADF |
NDF |
TDN |
TDN yield (MT/ha) |
|---|---|---|---|---|---|
|
|
|||||
| Cheongwoo | 7.4 |
26.4 |
47.0 |
68.0 |
10.0 |
| Keumkang | 7.3 |
26.5 |
48.3 |
68.0 |
9.0 |
zADF: Acid detergent fiber
yNDF: Neutral detergent fiber
xTDN: Total digestible nutrients.
+Values followed by the sample letter are not significantly different
DG: dark green
yG: green
xM: middle
wL: long
LW: light white
W : white
Rating score: 0 = excellent or strong, 9 = worst or weak
Data tested at Yeoncheon
S: susceptible, M: moderate, R: resistant
Values followed by the sample letter are not significantly different.
ADF: Acid detergent fiber
NDF: Neutral detergent fiber
TDN: Total digestible nutrients.
Values followed by the sample letter are not significantly different