농촌진흥청 국립식량과학원
National Institute of Crop Science, RDA, Wanju 55365, Republic of 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.
| Variety | Heading date | Culm length (cm) | Panicle length (cm) | No. of panicles/hill | No. of spikelet/panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
| Seonpum | Aug.11 | 84ns | 22ns | 13ns | 124** | 91.0ns | 22.8ns |
| Hwaseong | Aug.07 | 85 | 21 | 14 | 94 | 87.1 | 23.0 |
| Variety | Reaction to blast nursery test (0-9)z | Area ratio to leaf lesion of Piricularia grisea of sequential plantings (%) | Reaction to neck blastx(%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| No. of tested sitesy | |||||||||||||
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| R (0-3) | M (4-6) | S (7-9) | Mean | 1 | 2 | 3 | 4 | 5 | Persistence (0-5) | No. of susceptible race | Icheon | Jecheon | |
| Seonpum | 5 | 8 | 1 | 3.9** | 60.0 | 10.0 | 20.0 | 80.0 | 70.0 | 5 | 11 | 1.4 | 2.0 |
| Hwaseong | 1 | 8 | 5 | 5.7 | 90.0 | 35.0 | 15.0 | 70.0 | 55.0 | 5 | 17 | 2.3 | 13.8 |
| Variety | Bacterial blightz | Virus diseases | Resistance to insectsy | ||||||
|---|---|---|---|---|---|---|---|---|---|
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| K1 | K2 | K3 | K3a | Stripe (%) | Dwarf | BSD | BPH | SBPH | |
| Seonpum | R | R | R | S | R(20.5) | S | S | S | S |
| Hwaseong | S | S | S | S | R(22.1) | S | S | S | S |
| Variety | Premature heading (%) | Occurrence of wilting | Leaf senescence at maturing | Cold tolerancez | Viviparous Germinationw(%) | |||
|---|---|---|---|---|---|---|---|---|
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| Discol-oration (1-9)y | Heading delay (day) | Grain fertility (%) | PAx | |||||
| Seonpum | 0.0 | Strong | Late | 1 | 11ns | 58ns | 5 | 33.0ns |
| Hwaseong | 0.0 | Strong | Late | 1 | 9 | 59 | 5 | 17.6 |
| Variety | Culm length (cm) | Third internode length (cm) | Moment (g.cm) | Lodging index | Lodging in the field (0~9) |
|---|---|---|---|---|---|
| Seonpum | 84ns | 13.9ns | 2,260* | 98* | 1 |
| Hwaseong | 85 | 12.3 | 1,312 | 117 | 5 |
| Variety | Brown rice | White core/velly | Alkali digestive value (1~7) | Protein content (%) | Amylose content (%) | Palatability of cooked rice (-3~3) | ||
|---|---|---|---|---|---|---|---|---|
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| Length (mm) | Width (mm) | L/W ratio | ||||||
| Seonpum | 4.94ns | 2.87ns | 1.72ns | 0/0 | 6.4ns | 6.7 | 19.4ns | 0.21* |
| Hwaseong | 5.03 | 2.81 | 1.79 | 0/0 | 6.5 | 6.7 | 19.6 | -0.02 |
| Variety | Milling recovery ratio (%) | Head rice milling recovery ratio (%) | |||
|---|---|---|---|---|---|
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| Brown/rough | Milled/brown | Milled/rough | Head rice | ||
| Seonpum | 82.9ns | 91.9ns | 76.1ns | 97.7ns | 74.4ns |
| Hwaseong | 83.0 | 91.6 | 76.0 | 96.8 | 73.6 |
| Region | No. of tested sites | Average milled rice yield (MT/ha) | Index (A/B) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
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| Seonpum | Hwaseong | |||||||||
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| ’12 | ’13 | ’14 | Ave. (A) | ’12 | ’13 | ’14 | Ave. (B) | |||
| Middle plain area | 5 | 5.90 | 5.46 | 5.83 | 5.73* | 5.18 | 5.19 | 5.32 | 5.23 | 110 |
| Southern mid-mountainous area | 2 | 5.82 | 6.07 | 5.69 | 5.86ns | 5.40 | 5.51 | 5.35 | 5.42 | 109 |
| South western coastal area | 1 | 5.58 | 5.67 | 6.31 | 5.85ns | 5.50 | 5.33 | 5.44 | 5.42 | 108 |
| Mid-west coastal area | 1 | 5.91 | 4.38 | 6.07 | 5.45ns | 4.99 | 4.93 | 5.11 | 5.01 | 109 |
| Average | 9 | 5.85 | 5.50 | 5.88 | 5.74** | 5.25 | 5.16 | 5.23 | 5.21 | 109 |
Major agronomic traits and yield components.
| Variety | Heading date | Culm length (cm) | Panicle length (cm) | No. of panicles/hill | No. of spikelet/panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
| Seonpum | Aug.11 | 84 |
22 |
13 |
124 |
91.0 |
22.8 |
| Hwaseong | Aug.07 | 85 | 21 | 14 | 94 | 87.1 | 23.0 |
nsNo significance
*, **Significant at 5% and 1% level, respectively
Reaction to blast disease.
| Variety | Reaction to blast nursery test (0-9) |
Area ratio to leaf lesion of Piricularia grisea of sequential plantings (%) | Reaction to neck blast |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of tested sites |
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| R (0-3) | M (4-6) | S (7-9) | Mean | 1 | 2 | 3 | 4 | 5 | Persistence (0-5) | No. of susceptible race | Icheon | Jecheon | |
| Seonpum | 5 | 8 | 1 | 3.9 |
60.0 | 10.0 | 20.0 | 80.0 | 70.0 | 5 | 11 | 1.4 | 2.0 |
| Hwaseong | 1 | 8 | 5 | 5.7 | 90.0 | 35.0 | 15.0 | 70.0 | 55.0 | 5 | 17 | 2.3 | 13.8 |
*, **Significant at 5% and 1% level, respectively
zN fertilizer of blast nursery test: 240 kg/ha
yR: Resistant, M: Moderately resistant, S: Susceptible
xN fertilizer of neck blast test: 220 kg/ha
Reaction to bacterial blight, virus disease and insect pests.
| Variety | Bacterial blight |
Virus diseases | Resistance to insects |
||||||
|---|---|---|---|---|---|---|---|---|---|
| K1 | K2 | K3 | K3a | Stripe (%) | Dwarf | BSD | BPH | SBPH | |
| Seonpum | R | R | R | S | R(20.5) | S | S | S | S |
| Hwaseong | S | S | S | S | R(22.1) | S | S | S | S |
zR: Resistant, S: Susceptible
yBPH: Brown planthopper, SBPH: Small brown planthopper
Response to physiological and abiotic stresses.
| Variety | Premature heading (%) | Occurrence of wilting | Leaf senescence at maturing | Cold tolerance |
Viviparous Germination |
|||
|---|---|---|---|---|---|---|---|---|
| Discol-oration (1-9) |
Heading delay (day) | Grain fertility (%) | PA |
|||||
| Seonpum | 0.0 | Strong | Late | 1 | 11 |
58 |
5 | 33.0 |
| Hwaseong | 0.0 | Strong | Late | 1 | 9 | 59 | 5 | 17.6 |
nsNo significance
zCold tolerance was evaluated in Chuncheon cold-water (17°C) irrigated nursery
yEvaluation at maximum tillering stage (1: toterance; 9: susceptible)
xPhenotypic Acceptability
wGermination rate at 7 days after incubation
Major characteristics related to lodging.
| Variety | Culm length (cm) | Third internode length (cm) | Moment (g.cm) | Lodging index | Lodging in the field (0~9) |
|---|---|---|---|---|---|
| Seonpum | 84 |
13.9 |
2,260 |
98 |
1 |
| Hwaseong | 85 | 12.3 | 1,312 | 117 | 5 |
nsNo significance
*,**Significant at 5% and 1% level, respectively
Characteristics related to grain shape and grain quality.
| Variety | Brown rice | White core/velly | Alkali digestive value (1~7) | Protein content (%) | Amylose content (%) | Palatability of cooked rice (-3~3) | ||
|---|---|---|---|---|---|---|---|---|
| Length (mm) | Width (mm) | L/W ratio | ||||||
| Seonpum | 4.94 |
2.87 |
1.72 |
0/0 | 6.4 |
6.7 | 19.4 |
0.21 |
| Hwaseong | 5.03 | 2.81 | 1.79 | 0/0 | 6.5 | 6.7 | 19.6 | -0.02 |
nsNo significance
*,**Significant at 5% and 1% level, respectively
Characteristics related to milling quality.
| Variety | Milling recovery ratio (%) | Head rice milling recovery ratio (%) | |||
|---|---|---|---|---|---|
| Brown/rough | Milled/brown | Milled/rough | Head rice | ||
| Seonpum | 82.9 |
91.9 |
76.1 |
97.7 |
74.4 |
| Hwaseong | 83.0 | 91.6 | 76.0 | 96.8 | 73.6 |
nsNo significance
Yield potential of ‘Cheongun’ on local adaptability test.
| Region | No. of tested sites | Average milled rice yield (MT/ha) | Index (A/B) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Seonpum | Hwaseong | |||||||||
| ’12 | ’13 | ’14 | Ave. (A) | ’12 | ’13 | ’14 | Ave. (B) | |||
| Middle plain area | 5 | 5.90 | 5.46 | 5.83 | 5.73 |
5.18 | 5.19 | 5.32 | 5.23 | 110 |
| Southern mid-mountainous area | 2 | 5.82 | 6.07 | 5.69 | 5.86 |
5.40 | 5.51 | 5.35 | 5.42 | 109 |
| South western coastal area | 1 | 5.58 | 5.67 | 6.31 | 5.85 |
5.50 | 5.33 | 5.44 | 5.42 | 108 |
| Mid-west coastal area | 1 | 5.91 | 4.38 | 6.07 | 5.45 |
4.99 | 4.93 | 5.11 | 5.01 | 109 |
| Average | 9 | 5.85 | 5.50 | 5.88 | 5.74 |
5.25 | 5.16 | 5.23 | 5.21 | 109 |
nsNo significance
*,**Significant at 5% and 1% level, respectively
No significance
Significant at 5% and 1% level, respectively
Significant at 5% and 1% level, respectively
N fertilizer of blast nursery test: 240 kg/ha
R: Resistant, M: Moderately resistant, S: Susceptible
N fertilizer of neck blast test: 220 kg/ha
R: Resistant, S: Susceptible
BPH: Brown planthopper, SBPH: Small brown planthopper
No significance
Cold tolerance was evaluated in Chuncheon cold-water (17°C) irrigated nursery
Evaluation at maximum tillering stage (1: toterance; 9: susceptible)
Phenotypic Acceptability
Germination rate at 7 days after incubation
No significance
Significant at 5% and 1% level, respectively
No significance
Significant at 5% and 1% level, respectively
No significance
No significance
Significant at 5% and 1% level, respectively