농촌진흥청 국립식량과학원
농촌진흥청 국립농업과학원
농촌진흥청 국립원예특작과학원
National Institute of Crop Science, RDA, Wanju 55365, Republic of Korea
National Institute of Agricultural Science, RDA, Wanju 55365, 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 | Heading date | Culm lengthz (cm) | Panicle length (cm) | No. of panicles/hill | No. of spikelet/panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
| Asemi1 | July.29* | 84ns | 21ns | 14ns | 110ns | 87.4ns | 22.3ns |
| Hwaseong | Aug.12 | 87 | 22 | 14 | 101 | 89.3 | 23.1 |
| Variety | Reaction to blast nursery test (0-9)z | Area ratio to leaf lesion of Magnaporthe grisea of sequential plantings (%) | Reaction to neck blastx (%) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|||||||||||||||
| No. of tested sitesy | |||||||||||||||
|
|
|
|
|||||||||||||
|
R (0-3) |
M (4-6) |
S (7-9) |
Mean | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Persistence (0-7) | No. of susceptible race(33) | Iksan | Icheon | |
| Asemi1 | 10 | 1 | 1 | 2.8** | 30.2 | 31.8 | 5.0 | 8.0 | 9.5 | 0.0 | 0.0 | 5 | 8** | 0.1* | 0.4ns |
| Hwaseong | 1 | 5 | 6 | 6.2 | 26.0 | 55.0 | 48.3 | 52.7 | 37.7 | 45.3 | 1.2 | 6 | 18 | 6.5 | 1.9 |
| Variety | Bacterial blightz | Virus diseases | Resistance to insects | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|||||||
| K1 | K2 | K3 | K3a | Stripe (%) | Dwarf | BSDy | BPHX | SBPHw | |
| Asemi1 | S | S | S | S | S (80.0) | S | S | S | S |
| Hwaseong | S | S | S | S | R (20.0) | S | S | S | S |
| Variety | Premature Heading (%) | Occurrence of wilting | Leaf senescence at maturing | Cold tolerancez |
Viviparous Germinationw (%) |
|||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Discol- Oration (1-9)y | Heading Delay (day) | Grain Fertility (%) |
PAx (1-9) |
|||||
| Asemi1 | 2.2ns | Strong | Medium | 1 | 14 | 35ns | 6 | 53.2* |
| Hwaseong | 0.0 | Strong | Late | 1 | 11 | 37 | 6 | 27.7 |
| Variety | Brown rice | White core/velly | Alkali digestive Value (1~7) | Protein Content (%) | Amylose Content (%) | ||
|---|---|---|---|---|---|---|---|
|
|
|||||||
| Length (mm) | Width (mm) | L/W ratio | |||||
| Asemi1 | 4.99ns | 2.73ns | 1.83ns | 0/1 | 6.7ns | 7.3* | 19.6ns |
| Hwaseong | 5.10 | 2.86 | 1.78 | 0/1 | 6.7 | 6.5 | 19.6 |
| Variety | Milling recovery ratio (%) | Head rice milling recovery ratio (%) | |||
|---|---|---|---|---|---|
|
|
|||||
| Brown/rough | Milled/brown | Milled/rough | Head rice | ||
| Asemi1 | 81.9ns | 91.1ns | 74.6ns | 85.1* | 63.5* |
| Hwaseong | 83.0 | 91.6 | 76.0 | 96.8 | 73.6 |
| Region | Tested sites | Average milled rice yield (MT/ha) | Index (A/B) | |
|---|---|---|---|---|
|
|
||||
| Asemi1 (A) | Hwaseong (B) | |||
| Middle plain area | Suwon | 5.90 | 5.49ns | 107 |
| Yeoju | 5.92 | 5.32* | 111 | |
| Yeoncheon | 5.57 | 5.20ns | 107 | |
| Chuncheon | 5.88 | 5.58ns | 105 | |
|
|
||||
| Average | 5.82 | 5.40 | 108 | |
|
|
||||
| Middle-mountain plain area | Cheolwon | 6.37* | 5.80z* | 110 |
| Jecheon | 5.48 | 4.96z* | 110 | |
| Sangju | 6.30 | 5.97z,ns | 106 | |
|
|
||||
| Average | 6.05 | 5.58z | 108 | |
|
|
||||
| Average | 5.92 | 5.47 | 108 | |
Major agronomic traits and yield components.
| Variety | Heading date | Culm length |
Panicle length (cm) | No. of panicles/hill | No. of spikelet/panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
| Asemi1 | July.29 |
84 |
21 |
14 |
110 |
87.4 |
22.3 |
| Hwaseong | Aug.12 | 87 | 22 | 14 | 101 | 89.3 | 23.1 |
zLength from soil surface to panicle neck
*Significant at 5% level
nsNo significance
Reaction to blast disease.
| Variety | Reaction to blast nursery test (0-9) |
Area ratio to leaf lesion of Magnaporthe grisea of sequential plantings (%) | Reaction to neck blast |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of tested sites |
|||||||||||||||
| R (0-3) |
M (4-6) |
S (7-9) |
Mean | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Persistence (0-7) | No. of susceptible race(33) | Iksan | Icheon | |
| Asemi1 | 10 | 1 | 1 | 2.8 |
30.2 | 31.8 | 5.0 | 8.0 | 9.5 | 0.0 | 0.0 | 5 | 8 |
0.1 |
0.4 |
| Hwaseong | 1 | 5 | 6 | 6.2 | 26.0 | 55.0 | 48.3 | 52.7 | 37.7 | 45.3 | 1.2 | 6 | 18 | 6.5 | 1.9 |
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
*,**significant at 5% and 1% level, respectively
nsNo significance
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 |
|
| Asemi1 | S | S | S | S | S (80.0) | S | S | S | S |
| Hwaseong | S | S | S | S | R (20.0) | S | S | S | S |
zR: Resistant, S: Susceptible
yBSD: Black streaked dwarf
xBPH: Browon planthopper
wSBPH: 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 (1-9) |
|||||
| Asemi1 | 2.2ns | Strong | Medium | 1 | 14 | 35 |
6 | 53.2 |
| Hwaseong | 0.0 | Strong | Late | 1 | 11 | 37 | 6 | 27.7 |
zCold tolerance was evaluated in Chuncheon cold-water (17℃) irrigated nursery
yEvaluation at maximum tillering stage (1: tolerance; 9: susceptible)
xPhenotypic Acceptability (1: tolerance; 9: susceptible)
wGermination rate at 7 days after incubation
*significant at 5% level
nsNo significance
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 | |||||
| Asemi1 | 4.99 |
2.73 |
1.83 |
0/1 | 6.7 |
7.3 |
19.6 |
| Hwaseong | 5.10 | 2.86 | 1.78 | 0/1 | 6.7 | 6.5 | 19.6 |
*Significant at 5% level
nsNo significance
Characteristics related to milling quality.
| Variety | Milling recovery ratio (%) | Head rice milling recovery ratio (%) | |||
|---|---|---|---|---|---|
| Brown/rough | Milled/brown | Milled/rough | Head rice | ||
| Asemi1 | 81.9 |
91.1 |
74.6 |
85.1 |
63.5 |
| Hwaseong | 83.0 | 91.6 | 76.0 | 96.8 | 73.6 |
*Significant at 5% level
nsNo significance
Yield potential of ‘Asemi1’ on local adaptability test.
| Region | Tested sites | Average milled rice yield (MT/ha) | Index (A/B) | |
|---|---|---|---|---|
| Asemi1 (A) | Hwaseong (B) | |||
| Middle plain area | Suwon | 5.90 | 5.49 |
107 |
| Yeoju | 5.92 | 5.32 |
111 | |
| Yeoncheon | 5.57 | 5.20 |
107 | |
| Chuncheon | 5.88 | 5.58 |
105 | |
| Average | 5.82 | 5.40 | 108 | |
| Middle-mountain plain area | Cheolwon | 6.37 |
5.80 |
110 |
| Jecheon | 5.48 | 4.96 |
110 | |
| Sangju | 6.30 | 5.97 |
106 | |
| Average | 6.05 | 5.58 |
108 | |
| Average | 5.92 | 5.47 | 108 | |
zOdaebyeo
*significant at 5% level
nsNosignificance
Length from soil surface to panicle neck
Significant at 5% level
No significance
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
significant at 5% and 1% level, respectively
No significance
R: Resistant, S: Susceptible
BSD: Black streaked dwarf
BPH: Browon planthopper
SBPH: Small brown planthopper
Cold tolerance was evaluated in Chuncheon cold-water (17℃) irrigated nursery
Evaluation at maximum tillering stage (1: tolerance; 9: susceptible)
Phenotypic Acceptability (1: tolerance; 9: susceptible)
Germination rate at 7 days after incubation
significant at 5% level
No significance
Significant at 5% level
No significance
Significant at 5% level
No significance
Odaebyeo
significant at 5% level
Nosignificance