농촌진흥청 국립식량과학원
농촌진흥청
National Institute of Crop Science, RDA, Wanju, 55365, Republic of Korea
Rural Development Administration, Wanju, 54875, 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 z length (cm) | Panicle length (cm) | No. of panicles/hill | No. of spikelets/panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
| Hyangcheola | July 28** | 76ns | 22ns | 13ns | 86ns | 77.8ns | 22.8ns |
| Hwaseong | Aug. 8 | 84 | 21 | 14 | 96 | 88.9 | 22.9 |
| 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) | ||||||||||||||
|
|
|
|
||||||||||||
| R z | M | S | Mean | 1 | 2 | 3 | 4 | 5 | Persistence (0-5) | No. of susceptible race (23) | Ichon | Milyang | Mean | |
| Hyangcheola | 4 | 8 | 2 | 4.4* | 45 | 85 | 85 | 95 | 65 | 5 | 12 | 14.4** | 0.0 | 7.2 |
| Hwaseong | 1 | 8 | 5 | 5.8 | 90 | 35 | 15 | 70 | 55 | 5 | 17 | 2.3 | 0.0 | 1.2 |
| Variety | Bacterial blight z | Virus diseases | Resistance to insects y | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|||||||
| K1 | K2 | K3 | K3a | Stripe (%) | Dwarf | BSD | BPH | SBPH | |
| Hyangcheola | S | S | S | S | R (20.6) | 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 tolerance y | Viviparous w germination (%) | |||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Discol-oration (1-9) z | Heading delay (day) | Grain fertility (%) | PA x | |||||
| Hyangcheola | 0.0 | Strong | Late | 1 | 9ns | 12.2ns | 5 | 10.1ns |
| Hwaseong | 0.0 | Strong | Late | 1 | 9 | 13.7 | 5 | 17.6 |
| Variety | Plant z hight (cm) | Third internode length (cm) | Moment (g.cm) | Lodging index | Lodging in the field (0~9) |
|---|---|---|---|---|---|
| Hyangcheola | 102ns | 12.9ns | 1,156* | 122ns | 5 |
| Hwaseong | 109 | 12.3 | 1,312 | 117 | 5 |
| Variety | Brown rice | White core/velly | Alkali digestive value (1~7) | Protein content (%) | Amylose content (%) | ||
|---|---|---|---|---|---|---|---|
|
|
|||||||
| Length (mm) | Width (mm) | L/W ratio | |||||
| Hyangcheola | 5.27 | 2.82 | 1.87 | 0/1 | 6.5ns | 8.2* | 19.3ns |
| Hwaseong | 4.99 | 2.78 | 1.80 | 0/1 | 6.4 | 6.7 | 19.6 |
| Variety | Iron (mg/100 g) | Zinc (mg/100 g) | Aroma |
|---|---|---|---|
| Hyangcheola | 15.12* | 32.24** | Exist |
| Hwaseong | 11.43 | 23.49 | Lack |
| Variety | Milling recovery ratio (%) | Head rice milling recovery ratio (%) | |||
|---|---|---|---|---|---|
|
|
|||||
| Brown/rough | Milled/brown | Milled/rough | Head rice | ||
| Hyangcheola | 80.3ns | 90.6ns | 73.8ns | 85.0 * | 61.8 * |
| Hwaseong | 83.0 | 91.9 | 76.0 | 96.8 | 73.6 |
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) |
|---|---|---|---|---|---|---|---|
| Hyangcheola | July 28 |
76ns | 22ns | 13ns | 86ns | 77.8ns | 22.8ns |
| Hwaseong | Aug. 8 | 84 | 21 | 14 | 96 | 88.9 | 22.9 |
zlength from soil surface to panicle neck
**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) | ||||||||||||||
|
|
|
|
||||||||||||
| R
|
M | S | Mean | 1 | 2 | 3 | 4 | 5 | Persistence (0-5) | No. of susceptible race (23) | Ichon | Milyang | Mean | |
| Hyangcheola | 4 | 8 | 2 | 4.4 |
45 | 85 | 85 | 95 | 65 | 5 | 12 | 14.4 |
0.0 | 7.2 |
| Hwaseong | 1 | 8 | 5 | 5.8 | 90 | 35 | 15 | 70 | 55 | 5 | 17 | 2.3 | 0.0 | 1.2 |
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
**ns: not significant
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 | |
| Hyangcheola | S | S | S | S | R (20.6) | S | S | S | S |
| Hwaseong | S | S | S | S | R (22.1) | S | S | S | S |
zBPH: brown planthopper; SBPH: small brown planthopper.
yR: 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
|
|||||
| Hyangcheola | 0.0 | Strong | Late | 1 | 9ns | 12.2ns | 5 | 10.1ns |
| Hwaseong | 0.0 | Strong | Late | 1 | 9 | 13.7 | 5 | 17.6 |
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
Characteristics related to lodging.
| Variety | Plant
|
Third internode length (cm) | Moment (g.cm) | Lodging index | Lodging in the field (0~9) |
|---|---|---|---|---|---|
| Hyangcheola | 102ns | 12.9ns | 1,156 |
122ns | 5 |
| Hwaseong | 109 | 12.3 | 1,312 | 117 | 5 |
zlength from upper part of root up to panicle
*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 (%) | ||
|---|---|---|---|---|---|---|---|
|
|
|||||||
| Length (mm) | Width (mm) | L/W ratio | |||||
| Hyangcheola | 5.27 | 2.82 | 1.87 | 0/1 | 6.5ns | 8.2 |
19.3ns |
| Hwaseong | 4.99 | 2.78 | 1.80 | 0/1 | 6.4 | 6.7 | 19.6 |
nsnot significant
*significant at 5% level
Difference of micro nutrient content and aroma (2014).
| Variety | Iron (mg/100 g) | Zinc (mg/100 g) | Aroma |
|---|---|---|---|
| Hyangcheola | 15.12 |
32.24 |
Exist |
| Hwaseong | 11.43 | 23.49 | Lack |
Assay sample: brown rice
*,**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 | ||
| Hyangcheola | 80.3ns | 90.6ns | 73.8ns | 85.0
|
61.8
|
| Hwaseong | 83.0 | 91.9 | 76.0 | 96.8 | 73.6 |
*significant at 5% level
nsnot significant
Results of yield potential of ‘Hyangcheola’ on local adaptability test.
| Culture Season | Region | Tested sites | Average milled rice yield (MT/ha) | Index (A/B) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||||
| Hyangcheola | Hwaseong | ||||||||||
|
|
|
||||||||||
| ’12 | ’13 | ’14 | Ave. (A) | ’12 | ’13 | ’14 | Ave. (B) | ||||
| Ordinary planting culture | Middle plain | Suwon | 3.9 | 4.7 | 4.6 | 4.4 | 4.3 | 5.2 | 5.5 | 5.2 | 84 |
| Hwaseong | 5.2 | 4.4 | 4.9 | 4.8 | 5.6 | 5.5 | 5.5 | 5.5 | 87 | ||
| Chuncheon | 5.3 | 4.7 | 5.5 | 5.2 | 5.5 | 5.4 | 5.7 | 5.5 | 94 | ||
| Cheongju | 4.6 | 4.9 | 4.4 | 4.6 | 5.1 | 4.8 | 5.1 | 5.0 | 93 | ||
|
|
|||||||||||
| Average | 4.8 | 4.7 | 4.8 | 4.8 | 5.3 | 5.2 | 5.5 | 5.3 | 89 | ||
length from soil surface to panicle neck
1% level, respectively
nsnot 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
ns: not significant
BPH: 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
nsnot significant
length from upper part of root up to panicle
significant at 5% level
nsnot significant
significant at 5% level
Assay sample: brown rice
significant at 5% and 1% level, respectively
significant at 5% level
nsnot significant