농촌진흥청 국립식량과학원
농촌진흥청 국립원예특작과학원
National Institute of Crop Science, RDA, Wanju 565-851, Republic of Korea
National Institute of Horticultural and Herbal Science, RDA, Wanju 55365, Republic of Korea
Copyright: © 2019 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 | Days of growth in paddy field z | Culm length (cm) | Panicle length (cm) | No. of panicles/hill | No. of spikelets/panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
| Jinkwang | 114 * | 62 * | 20ns | 16ns | 100ns | 75.9ns | 21.8ns |
| Jopyeong | 108 | 75 | 19 | 15 | 102 | 80.5 | 21.1 |
| 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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| R z | M | S | Mean | 1 | 2 | 3 | 4 | 5 | Persistence (0-5) | No. of susceptible race (23) | Ichon | Iksan | |
| Jinkwang | 4 | 8 | 0 | 4.2 * | 40 | 60 | 40 | 40 | 50 | 5 | 17 | 3.6ns | 2.7ns |
| Jopyeong | 9 | 3 | 0 | 2.6 | 20 | 1 | 1 | 1 | 0 | 0 | 3 | 0.3 | 0.4 |
| Variety | Bacterial blight | Virus diseases | Resistance to insects | ||||||
|---|---|---|---|---|---|---|---|---|---|
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| K1 | K2 | K3 | K3a | Stripe (%) | Dwarf | Black-streak dwarf | BPH z | SBPH | |
| Jinkwang | R y | R | R | S | S (83.5) | S | S | S | S |
| Jopyeong | S | S | S | S | R (22.6) | S | S | S | S |
| Variety | Premature heading (%) | Occurrence of wilting | Leaf senescence at maturing | Cold tolerance y | Viviparous w germination (%) | |||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Discol-oration (1-9) z | Heading delay (day) | Grain fertility (%) | PA x | |||||
| Jinkwang | 39 * | Strong | Late | 1 | 8ns | 48ns | 5 | 28.3ns |
| Jopyeong | 52 | Strong | Late | 1 | 11 | 52 | 5 | 29.2 |
| Variety | Plant z hight (cm) | Third internode length (cm) | Top fresh weight (g) | Breaking strength (g) | Moment (g.cm) | Lodging index | Lodging in the field (0~9) |
|---|---|---|---|---|---|---|---|
| Jinkwang | 82 * | 6.5 * | 16.6ns | 542 ** | 1,168ns | 184 * | 1 |
| Jopyeong | 94 | 11.7 | 13.5 | 360 | 1.057 | 204 | 2 |
| Culture Season | Region | Tested sites | Average milled rice yield (MT/ha) | Index (A/B) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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| Jinkwang | Jopyeong | ||||||||||
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|
|
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| ’14 | ’15 | ’16 | Ave. (A) | ’14 | ’15 | ’16 | Ave. (B) | ||||
| Ordinary planting culture | Middle plain | Suwon | 5.74 | 5.15 | 4.56 | 5.15ns | 5.49 | 5.42 | 5.54 | 5.48 | 94 |
| Yeoju | 6.01 | 6.01 | 5.55 | 5.86 * | 5.32 | 5.38 | 4.85 | 5.18 | 113 | ||
| Yeoncheon | 5.44 | 5.63 | 5.34 | 5.47ns | 5.20 | 5.27 | 5.25 | 5.24 | 105 | ||
| Chuncheon | 5.85 | 6.20 | 6.28 | 6.11ns | 5.58 | 5.97 | 5.87 | 5.81 | 105 | ||
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|
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| Average | 5.76 | 5.75 | 5.43 | 5.65 | 5.40 | 5.51 | 5.38 | 5.43 | 104 | ||
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| MMP z | Cheolwon | 6.34 | 6.66 | 5.53 | 6.18 * | 5.80 | 5.73 | 5.59 | 5.71 | 108 | |
| Sangju | 6.15 | 5.95 | 6.01 | 6.04ns | 5.97 | 5.58 | 5.53 | 5.69 | 106 | ||
| Jecheon | 5.58 | 5.72 | 6.28 | 5.86 * | 4.96 | 5.31 | 6.07 | 5.45 | 108 | ||
|
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| Average | 6.02 | 6.11 | 5.94 | 6.02 | 5.58 | 5.54 | 5.73 | 5.62 | 107 | ||
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| ENC y | Gangneung | 6.15 | 6.66 | 7.08 | 6.63 * | 5.44 | 5.47 | 6.17 | 5.69 | 117 | |
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| Average | 5.91 | 6.00 | 5.83 | 5.91 | 5.47 | 5.52 | 5.61 | 5.53 | 107 | ||
Major agronomic traits and yield components.
| Variety | Days of growth in paddy field
|
Culm length (cm) | Panicle length (cm) | No. of panicles/hill | No. of spikelets/panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
| Jinkwang | 114
|
62
|
20ns | 16ns | 100ns | 75.9ns | 21.8ns |
| Jopyeong | 108 | 75 | 19 | 15 | 102 | 80.5 | 21.1 |
days from transplanting to maturity
significant at 5%
not 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 | Persistence (0-5) | No. of susceptible race (23) | Ichon | Iksan | |
| Jinkwang | 4 | 8 | 0 | 4.2
|
40 | 60 | 40 | 40 | 50 | 5 | 17 | 3.6ns | 2.7ns |
| Jopyeong | 9 | 3 | 0 | 2.6 | 20 | 1 | 1 | 1 | 0 | 0 | 3 | 0.3 | 0.4 |
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%
not significant
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 | |
| Jinkwang | R
|
R | R | S | S (83.5) | S | S | S | S |
| Jopyeong | S | S | S | S | R (22.6) | S | S | S | S |
BPH: brown plant hopper; SBPH: small brown plant hopper.
R: resistance, S: susceptible
Response to physiological and abiotic stresses.
| Variety | Premature heading (%) | Occurrence of wilting | Leaf senescence at maturing | Cold tolerance
|
Viviparous
|
|||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Discol-oration (1-9)
|
Heading delay (day) | Grain fertility (%) | PA
|
|||||
| Jinkwang | 39
|
Strong | Late | 1 | 8ns | 48ns | 5 | 28.3ns |
| Jopyeong | 52 | Strong | Late | 1 | 11 | 52 | 5 | 29.2 |
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
Significant at 5% and 1% level, respectively
not significant
Some characteristics related with lodging.
| Variety | Plant
|
Third internode length (cm) | Top fresh weight (g) | Breaking strength (g) | Moment (g.cm) | Lodging index | Lodging in the field (0~9) |
|---|---|---|---|---|---|---|---|
| Jinkwang | 82
|
6.5
|
16.6ns | 542
|
1,168ns | 184
|
1 |
| Jopyeong | 94 | 11.7 | 13.5 | 360 | 1.057 | 204 | 2 |
length from upper part of root up to panicle
Significant at 5% and 1% level, respectively
not significant
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 | ||||||
| Jinkwang | 4.91 | 2.90 | 2.01 | 0/1 | 5.9ns | 6.2ns | 17.9ns | 0.42 |
| Jopyeong | 4.80 | 2.77 | 2.03 | 0/1 | 5.8 | 6.5 | 18.6 | -0.02 |
not significant
Characteristics related to milling quality.
| Variety | Milling recovery ratio (%) | Head rice milling recovery ratio (%) | |||
|---|---|---|---|---|---|
|
|
|||||
| Brown/rough | Milled/brown | Milled/rough | Head rice | ||
| Jinkwang | 82.7ns | 91.8ns | 75.9ns | 86.5ns | 65.6ns |
| Jopyeong | 80.1 | 91.2 | 73.0 | 89.8 | 65.6 |
not significant
Results of yield potential of ‘Jinkwang’ on local adaptability test.
| Culture Season | Region | Tested sites | Average milled rice yield (MT/ha) | Index (A/B) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||||
| Jinkwang | Jopyeong | ||||||||||
|
|
|
||||||||||
| ’14 | ’15 | ’16 | Ave. (A) | ’14 | ’15 | ’16 | Ave. (B) | ||||
| Ordinary planting culture | Middle plain | Suwon | 5.74 | 5.15 | 4.56 | 5.15ns | 5.49 | 5.42 | 5.54 | 5.48 | 94 |
| Yeoju | 6.01 | 6.01 | 5.55 | 5.86
|
5.32 | 5.38 | 4.85 | 5.18 | 113 | ||
| Yeoncheon | 5.44 | 5.63 | 5.34 | 5.47ns | 5.20 | 5.27 | 5.25 | 5.24 | 105 | ||
| Chuncheon | 5.85 | 6.20 | 6.28 | 6.11ns | 5.58 | 5.97 | 5.87 | 5.81 | 105 | ||
|
|
|||||||||||
| Average | 5.76 | 5.75 | 5.43 | 5.65 | 5.40 | 5.51 | 5.38 | 5.43 | 104 | ||
|
|
|||||||||||
| MMP
|
Cheolwon | 6.34 | 6.66 | 5.53 | 6.18
|
5.80 | 5.73 | 5.59 | 5.71 | 108 | |
| Sangju | 6.15 | 5.95 | 6.01 | 6.04ns | 5.97 | 5.58 | 5.53 | 5.69 | 106 | ||
| Jecheon | 5.58 | 5.72 | 6.28 | 5.86
|
4.96 | 5.31 | 6.07 | 5.45 | 108 | ||
|
|
|||||||||||
| Average | 6.02 | 6.11 | 5.94 | 6.02 | 5.58 | 5.54 | 5.73 | 5.62 | 107 | ||
|
|
|||||||||||
| ENC
|
Gangneung | 6.15 | 6.66 | 7.08 | 6.63
|
5.44 | 5.47 | 6.17 | 5.69 | 117 | |
|
|
|||||||||||
| Average | 5.91 | 6.00 | 5.83 | 5.91 | 5.47 | 5.52 | 5.61 | 5.53 | 107 | ||
MMP: Middle-mountain plain area
ENC: East-north coastal area
not significant
significant at 5% level
days from transplanting to maturity
significant at 5%
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%
not significant
BPH: brown plant hopper; SBPH: small brown plant hopper.
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
Significant at 5% and 1% level, respectively
not significant
length from upper part of root up to panicle
Significant at 5% and 1% level, respectively
not significant
not significant
not significant
MMP: Middle-mountain plain area
ENC: East-north coastal area
not significant
significant at 5% level