1 농촌진흥청 국립식량과학원
1 National Institute of Crop Science, RDA, Wanju 565-851, Republic of Korea
2 농촌진흥청
2 Rural Development Administration, Jeonju 560-500, Republic of Korea
3 전라북도농촌진흥원
3 Jeolabuk-do Agricultural Research & Extension Services, Iksan 570-704, Republic of Korea
© Korean Society of Breeding Science All rights reserved
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| Variety | Heading date | Culmz length (cm) | Panicle length (cm) | No. of panicles /hill | No. of spikelets /panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
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| Jungmo1023 | Aug. 3* | 80ns | 20ns | 13ns | 107** | 85.0* | 21.8ns |
| Hwaseong | Aug. 9 | 84 | 21 | 14 | 93 | 81.8 | 22.4 |
| Variety | Reaction to leaf blast at nursery test (0-9) | Area ratio to leaf lesion of Magnaporthe grisea of sequential plantings (%) | Reaction to neck blast (%) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| No. | of tested | sites | (14) | ||||||||||||
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| Rz | M | S | Mean | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Persistence (0-7) | No. of susceptible race (30) | Ichon | Jecheon | |
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| Jungmo1023 | 9 | 5 | 0 | 2.9* | 60 | 50 | 50 | 50 | 45 | 11 | 5 | 7 | 8 | 0.0 | 1.3 |
| Hwaseong | 0 | 12 | 2 | 5.8 | 58 | 58 | 48 | 50 | 50 | 38 | 32 | 7 | 18 | 4.9 | 8.7 |
| Variety | Bacterial blight | Virus diseases | Resistance to insects | ||||||
|---|---|---|---|---|---|---|---|---|---|
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| K1 | K2 | K3 | K3a | Stripe (%) | Dwarf | Black-streak dwarf | BPHz | SBPH | |
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| Jungmo1023 | Ry | R | R | S | R(6.7) | S | S | S | S |
| Hwaseong | S | S | S | S | R(14.1) | S | S | S | S |
| Varietya | Premature heading (%) | Occurrence of wilting | Leaf senescence at maturing | Cold tolerancey | Viviparousw germination (%) | |||
|---|---|---|---|---|---|---|---|---|
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| Discoloration (1-9)z | Heading delay (day) | Grain fertility (%) | PAx | |||||
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| Jungmo1023 | 3.3 | Strong | Late | 1 | 10 | 47ns | 6 | 17.3 |
| Hwaseong | 0.0 | Strong | Late | 1 | 11 | 53 | 6 | 17.1 |
| Variety | Culmz length (cm) | Third internode length (cm) | Top fresh weight (g) | Breaking strength (g) | Moment (g.cm) | Lodging index | Lodging in the field (0~9) |
|---|---|---|---|---|---|---|---|
|
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| Jungmo1023 | 84 | 13 | 15.1* | 876* | 1,571* | 179 | 1 |
| Hwaseong | 84 | 12 | 10.7 | 623 | 1,115 | 179 | 1 |
| 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 | ||||||
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| Jungmo1023 | 4.88 | 2.77 | 1.76 | 0/0 | 6.2 | 6.9 | 18.4ns | 0.24 |
| Hwaseong | 4.98 | 2.79 | 1.79 | 2/0 | 6.5 | 6.9 | 20.6 | 0.08 |
| Culture Season | Region | Tested sites | Average milled rice yield (MT/ha) | Index(A/B) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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| Jungmo1023 | Check variety | ||||||||||
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| ’10 | ’11 | ’12 | Ave.(A) | ’10 | ’11 | ’12 | Ave.(A) | ||||
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| Ordinary planting culture | Middle plain | Suwon | 4.89 | 3.90 | 5.01 | 4.60 | 4.77 | 4.59 | 4.90 | 4.75w | 97 |
| Hwaseong | 3.59 | 3.97 | 5.53 | 4.36 | 4.37 | 4.39 | 5.32 | 4.69w | 93 | ||
| Yeoju | 4.78 | 4.51 | 4.51 | 4.60 | 5.41 | 5.02 | 5.10 | 5.18w | 89 | ||
| Chuncheon | 4.52 | 4.96 | 5.93 | 5.14 | 5.06 | 5.11 | 5.97 | 5.38w | 96 | ||
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| Average | 4.45 | 4.34 | 5.25 | 4.68ns | 4.90 | 4.78 | 5.32 | 5.00 | 94 | ||
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| 94 MWCz | Namyang | 4.37 | 3.28 | 5.36 | 4.34 | 518 | 393 | 571 | 4.94w | 88 | |
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| MMPy | Cheolweon | 4.15 | 4.74 | 4.47 | 4.45 | 4.69 | 5.03 | 5.23 | 4.98v | 89 | |
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| NECx | Gangreung | 4.51 | 4.23 | 4.59 | 4.44 | 4.67 | 5.31 | 4.80 | 4.93v | 90 | |
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| Average | 4.40 | 4.23 | 5.06 | 4.56* | 4.88 | 4.77 | 5.29 | 4.98 | 92 | ||
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| Early planting Middle plain Suwon | - | 5.14 | 4.83 | 4.99ns | - | 5.01 | 5.12 | 5.07u | 98 | ||
Major agronomic traits and yield components.
| Variety | Heading date | Culm |
Panicle length (cm) | No. of panicles /hill | No. of spikelets /panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
|
|
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| Jungmo1023 | Aug. 3 |
80 |
20 |
13 |
107 |
85.0 |
21.8 |
| Hwaseong | Aug. 9 | 84 | 21 | 14 | 93 | 81.8 | 22.4 |
zzlength from soil surface to panicle neck
*significant at 5% and 1% level, respectively
**significant at 5% and 1% level, respectively
nsnot significant
Reaction to blast disease.
| Variety | Reaction to leaf blast at nursery test (0-9) | Area ratio to leaf lesion of Magnaporthe grisea of sequential plantings (%) | Reaction to neck blast (%) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||||||||
| No. | of tested | sites | (14) | ||||||||||||
|
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| R |
M | S | Mean | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Persistence (0-7) | No. of susceptible race (30) | Ichon | Jecheon | |
|
|
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| Jungmo1023 | 9 | 5 | 0 | 2.9 |
60 | 50 | 50 | 50 | 45 | 11 | 5 | 7 | 8 | 0.0 | 1.3 |
| Hwaseong | 0 | 12 | 2 | 5.8 | 58 | 58 | 48 | 50 | 50 | 38 | 32 | 7 | 18 | 4.9 | 8.7 |
zR: resistant (0~3); M: moderately resistant (4~6); S: susceptible (7~9)
N fertilizer: Blast nursery test = 240 kg/ha, Neck blast = 220 kg/ha
*significant at 5% level
Reaction to bacterial blight, virus disease and insect pests.
| Variety | Bacterial blight | Virus diseases | Resistance to insects | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
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| K1 | K2 | K3 | K3a | Stripe (%) | Dwarf | Black-streak dwarf | BPH |
SBPH | |
|
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| Jungmo1023 | R |
R | R | S | R(6.7) | S | S | S | S |
| Hwaseong | S | S | S | S | R(14.1) | S | S | S | S |
zzBPH: brown planthopper; SBPH: small brown planthopper
yR: resistance, S: susceptible
Response to physiological and abiotic stresses.
| Varietya | Premature heading (%) | Occurrence of wilting | Leaf senescence at maturing | Cold tolerance |
Viviparous |
|||
|---|---|---|---|---|---|---|---|---|
|
|
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| Discoloration (1-9) |
Heading delay (day) | Grain fertility (%) | PA |
|||||
|
|
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| Jungmo1023 | 3.3 | Strong | Late | 1 | 10 | 47 |
6 | 17.3 |
| Hwaseong | 0.0 | Strong | Late | 1 | 11 | 53 | 6 | 17.1 |
zEvaluation at maximum tillering stage (1: tolerance; 9: susceptible)
yCold tolerance was evaluated in Chuncheon cold-water (17°C) irrigated nursery
xPhenotypic Acceptability
wGermination rate at 7 days after incubation in 25°C chamber
nsnot significant
Some characteristics related with lodging
| Variety | Culm |
Third internode length (cm) | Top fresh weight (g) | Breaking strength (g) | Moment (g.cm) | Lodging index | Lodging in the field (0~9) |
|---|---|---|---|---|---|---|---|
|
|
|||||||
| Jungmo1023 | 84 | 13 | 15.1 |
876 |
1,571 |
179 | 1 |
| Hwaseong | 84 | 12 | 10.7 | 623 | 1,115 | 179 | 1 |
zlength from upper part of root to panicle neck
*significant at 5% level
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) | ||
|---|---|---|---|---|---|---|---|---|
|
|
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| Length (mm) | Width (mm) | L/W ratio | ||||||
|
|
||||||||
| Jungmo1023 | 4.88 | 2.77 | 1.76 | 0/0 | 6.2 | 6.9 | 18.4 |
0.24 |
| Hwaseong | 4.98 | 2.79 | 1.79 | 2/0 | 6.5 | 6.9 | 20.6 | 0.08 |
nsnot significant
Characteristics related to milling quality.
| Variety | Milling recovery ratio (%) | Head rice milling recovery ratio (%) | |||
|---|---|---|---|---|---|
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|
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| Brown/rough | Milled/brown | Milled/rough | Head rice | ||
|
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| Jungmo1023 | 81.4** | 89.5 | 72.9** | 96.2** | 70.1** |
| Hwaseong | 83.2 | 89.9 | 74.8 | 73.8 | 55.2 |
Results of yield potential of ‘Jungmo1023’ on local adaptability test.
| Culture Season | Region | Tested sites | Average milled rice yield (MT/ha) | Index(A/B) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||||
| Jungmo1023 | Check variety | ||||||||||
|
|
|||||||||||
| ’10 | ’11 | ’12 | Ave.(A) | ’10 | ’11 | ’12 | Ave.(A) | ||||
|
|
|||||||||||
| Ordinary planting culture | Middle plain | Suwon | 4.89 | 3.90 | 5.01 | 4.60 | 4.77 | 4.59 | 4.90 | 4.75 |
97 |
| Hwaseong | 3.59 | 3.97 | 5.53 | 4.36 | 4.37 | 4.39 | 5.32 | 4.69 |
93 | ||
| Yeoju | 4.78 | 4.51 | 4.51 | 4.60 | 5.41 | 5.02 | 5.10 | 5.18 |
89 | ||
| Chuncheon | 4.52 | 4.96 | 5.93 | 5.14 | 5.06 | 5.11 | 5.97 | 5.38 |
96 | ||
| Average | 4.45 | 4.34 | 5.25 | 4.68 |
4.90 | 4.78 | 5.32 | 5.00 | 94 | ||
| 94 MWC |
Namyang | 4.37 | 3.28 | 5.36 | 4.34 | 518 | 393 | 571 | 4.94 |
88 | |
| MMP |
Cheolweon | 4.15 | 4.74 | 4.47 | 4.45 | 4.69 | 5.03 | 5.23 | 4.98 |
89 | |
| NEC |
Gangreung | 4.51 | 4.23 | 4.59 | 4.44 | 4.67 | 5.31 | 4.80 | 4.93 |
90 | |
| Average | 4.40 | 4.23 | 5.06 | 4.56 |
4.88 | 4.77 | 5.29 | 4.98 | 92 | ||
| Early planting Middle plain Suwon | - | 5.14 | 4.83 | 4.99 |
- | 5.01 | 5.12 | 5.07 |
98 | ||
zMWC: Mid-west coastal area
yMMP: Mid-northern middle plain area
xNEC: North-east coastal area
wHwaseong
vOdae
uJopyeong
nsnot significant
*significant at 5% level
zlength from soil surface to panicle neck
significant at 5% and 1% level, respectively
significant at 5% and 1% level, respectively
not significant
R: resistant (0~3); M: moderately resistant (4~6); S: susceptible (7~9)
N fertilizer: Blast nursery test = 240 kg/ha, Neck blast = 220 kg/ha
significant at 5% level
zBPH: brown planthopper; SBPH: small brown planthopper
R: resistance, S: susceptible
Evaluation at maximum tillering stage (1: tolerance; 9: susceptible)
Cold tolerance was evaluated in Chuncheon cold-water (17°C) irrigated nursery
Phenotypic Acceptability
Germination rate at 7 days after incubation in 25°C chamber
not significant
length from upper part of root to panicle neck
significant at 5% level
not significant
MWC: Mid-west coastal area
MMP: Mid-northern middle plain area
NEC: North-east coastal area
Hwaseong
Odae
Jopyeong
not significant
significant at 5% level