1 농촌진흥청 국립식량과학원
1 National Institute of Crop Science, R.D.A., Wanju 55365, Korea
2 농촌진흥청 연구정책국
2 Research Policy Bureau, R.D.A., Jeonju 54875, Korea
3 국립순천대학교
3 Sunchon National University, Sunchon 57922, Korea
© Korean Society of Breeding Science. All rights reserved.
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| Cultivar | Heading date (mm.dd) | Culm length (cm) | Panicle length (cm) | Panicle number per hill (ea) | Number of grains per panicle (ea) | Percent ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
|
|
|||||||
| Jungmo1045 | 8.14ns z | 78ns | 22* | 13ns | 108** | 93.1ns | 23.6** |
| Nampyeong | 8.15 | 78 | 20 | 13 | 95 | 92.6 | 22.1 |
| Cultivar | Premature Heading (%) | Appearance of Wilting | Adult Leaf Sensecencez | Viviparous Germination (%) | Cold tolerancex | |||
|---|---|---|---|---|---|---|---|---|
|
|
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| Seedling stage (0-9) | Heading Delay (days) | Grain Fertility (%) | PAw | |||||
|
|
||||||||
| Jungmo1045 | 0 | Resistant | Slow | 34.5*y | 4 | 10 | 36 | 7 |
| Nampyeong | 0 | Resistant | Slow | 7.0 | 3 | 8 | 35 | 6 |
| Cultivar | Plant heightz (cm) | Length of 3rd internode (cm) | Breaking weight of 3rd internode (g) | Lodging index | Field lodging (1-9) |
|---|---|---|---|---|---|
|
|
|||||
| Jungmo1045 | 102*y | 11 | 1,166 | 136 | 3 |
| Nampyeong | 98 | 8.5 | 1,179 | 121 | 1 |
| Cultivar | Reaction to leaf blast at test nursery(1~9) | Reaction to neck blast | ||||||
|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||
| No. of tested sites (12) | Rate of infected panicles (%) | |||||||
|
|
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| Rz | M | S | Mean | Iksan | Milyang | Icheon | Jinju | |
|
|
||||||||
| Jungmo1045 | 2 | 10 | 0 | 4.0 | 2.2 | 0.9 | 0.5 | 0.0 |
| Nampyeong | 5 | 6 | 1 | 4.3 | 1.9 | 0.0 | 0.0 | 0.0 |
| Cultivar | Bacterial blight | Virus disease (%) | Planthopper | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|||||||
| K1 | K2 | K3 | K3a | RSVz | RDV | RBSDV | BPHy | SBPH | |
|
|
|||||||||
| Jungmo1045 | Rx | R | R | S | R(12.4) | S(93.6) | S(77.8) | R | S |
| Nampyeong | R | S | S | S | R(7.2) | M(49.3) | S(78.2) | S | S |
| Cultivar | Translucency (1-9) | White core/belly (0-9) | Amylose content (%) | Protein content (%) | Palatability of cooked rice (-3~+3) |
|---|---|---|---|---|---|
|
|
|||||
| Jungmo1045 | 1 | 0/0 | 19.0ns z | 6.4ns | -0.02 |
| Nampyeong | 1 | 0/0 | 18.8 | 6.6 | -0.17 |
| Cultivar | Milling recovery ratio (%) | HRMRR (%) | Brown rice | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
||||||||
| BRz | MB | MR | HR | Length (mm) | Width (mm) | Thickness (mm) | L/W ratio | ||
|
|
|||||||||
| Jungmo1045 | 83.2 | 91.5 | 76.1 | 93.3 | 71.0 | 4.86*y | 2.88 | 1.95 | 1.69 |
| Nampyeong | 81.2 | 90.5 | 73.5 | 96.5 | 70.9 | 4.96 | 2.86 | 1.82 | 1.73 |
| Culture season | Region | No. of tested sites | Milled rice (MT/ha) | |||
|---|---|---|---|---|---|---|
|
|
||||||
| Jungmo1045(A) | Jungmo1045(A) | Index(A/B) | Range | |||
|
|
||||||
| Ordinary planting | West-southern coast | 3 | 551 | 558 | 99 | 4.59~6.50 |
| Middle plain | 1 | 563 | 498 | 101 | 5.08~6.00 | |
| Honam plain | 5 | 564 | 551 | 102 | 4.26~6.53 | |
| Yeongnam plain | 4 | 601 | 614 | 98 | 5.46~6.73 | |
|
|
||||||
| Mean | 13 | 573ns z | 574 | 100 | - | |
|
|
||||||
| Double cropping | Honam plain | 1 | 555 | 551 | 101 | - |
| Yeongnam plain | 1 | 569 | 561 | 102 | - | |
|
|
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| Mean | 2 | 562ns | 556 | 101 | - | |
Major agronomic traits and yield components.
| Cultivar | Heading date (mm.dd) | Culm length (cm) | Panicle length (cm) | Panicle number per hill (ea) | Number of grains per panicle (ea) | Percent ripened grain (%) | 1000-grain weight of brown rice (g) |
|---|---|---|---|---|---|---|---|
|
|
|||||||
| Jungmo1045 | 8.14ns |
78ns | 22* | 13ns | 108** | 93.1ns | 23.6** |
| Nampyeong | 8.15 | 78 | 20 | 13 | 95 | 92.6 | 22.1 |
zns, *, and ** indicate no significant, significant at p<0.05, and p<0.01, respectively.
Response to environmental and physiological stress.
| Cultivar | Premature Heading (%) | Appearance of Wilting | Adult Leaf Sensecence |
Viviparous Germination (%) | Cold tolerance |
|||
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
| Seedling stage (0-9) | Heading Delay (days) | Grain Fertility (%) | PA |
|||||
|
|
||||||||
| Jungmo1045 | 0 | Resistant | Slow | 34.5* |
4 | 10 | 36 | 7 |
| Nampyeong | 0 | Resistant | Slow | 7.0 | 3 | 8 | 35 | 6 |
zGerminationrate at 7 days after incubation (25℃, 100% RH)
y*indicate significant at p<0.05.
xCold tolerance was evaluated at a cold-water (17℃) irrigated nursery in Chuncheon substation, NICS
wPhenotypic acceptability
Lodging tolerance traits of ‘Jungmo 1045’.
| Cultivar | Plant height |
Length of 3rd internode (cm) | Breaking weight of 3rd internode (g) | Lodging index | Field lodging (1-9) |
|---|---|---|---|---|---|
|
|
|||||
| Jungmo1045 | 102* |
11 | 1,166 | 136 | 3 |
| Nampyeong | 98 | 8.5 | 1,179 | 121 | 1 |
zCulm length + Panicle length
y*indicate significant at p<0.05.
Reaction to leaf and panicle blast.
| Cultivar | Reaction to leaf blast at test nursery(1~9) | Reaction to neck blast | ||||||
|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||
| No. of tested sites (12) | Rate of infected panicles (%) | |||||||
|
|
||||||||
| R |
M | S | Mean | Iksan | Milyang | Icheon | Jinju | |
|
|
||||||||
| Jungmo1045 | 2 | 10 | 0 | 4.0 | 2.2 | 0.9 | 0.5 | 0.0 |
| Nampyeong | 5 | 6 | 1 | 4.3 | 1.9 | 0.0 | 0.0 | 0.0 |
zR: Resistant, M: Moderately resistant, S: Susceptible
Reaction of durable resistance to leaf blast.
| Cultivar | Percentage of diseased leaf area based on sequential seeding (%) | Durable resistance index (0~5) | No. of virulence isolate (No. of inoculated isolate: 40) | ||||
|---|---|---|---|---|---|---|---|
|
|
|||||||
| 1st | 2nd | 3rd | 4th | 5th | |||
|
|
|||||||
| Jungmo1045 | 80 | 40 | 70 | 50 | 40 | 5 | 17 |
| Nampyeong | 80 | 75 | 80 | 50 | 40 | 5 | 5 |
Reaction to major disease and insect pest.
| Cultivar | Bacterial blight | Virus disease (%) | Planthopper | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|||||||
| K1 | K2 | K3 | K3a | RSV |
RDV | RBSDV | BPH |
SBPH | |
|
|
|||||||||
| Jungmo1045 | R |
R | R | S | R(12.4) | S(93.6) | S(77.8) | R | S |
| Nampyeong | R | S | S | S | R(7.2) | M(49.3) | S(78.2) | S | S |
zRSV: Rice stripe virus, RDV: rice dwarf virus, RBSDV: Rice black-streaked dwarf virus
yBPH: Brown planthopper, SBPH: Small brown planthopper
xR: Resistant, M: Moderately resistant, S: Susceptible
Grain quality and palatability properties.
| Cultivar | Translucency (1-9) | White core/belly (0-9) | Amylose content (%) | Protein content (%) | Palatability of cooked rice (-3~+3) |
|---|---|---|---|---|---|
|
|
|||||
| Jungmo1045 | 1 | 0/0 | 19.0ns |
6.4ns | -0.02 |
| Nampyeong | 1 | 0/0 | 18.8 | 6.6 | -0.17 |
zns indicate no significant at p<0.05.
Milling properties and grain shape.
| Cultivar | Milling recovery ratio (%) | HRMRR (%) | Brown rice | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
||||||||
| BR |
MB | MR | HR | Length (mm) | Width (mm) | Thickness (mm) | L/W ratio | ||
|
|
|||||||||
| Jungmo1045 | 83.2 | 91.5 | 76.1 | 93.3 | 71.0 | 4.86* |
2.88 | 1.95 | 1.69 |
| Nampyeong | 81.2 | 90.5 | 73.5 | 96.5 | 70.9 | 4.96 | 2.86 | 1.82 | 1.73 |
zBR: Brown/rough, MB: Milled/brown, MR: Milled/rough, HR: Head rice, HRMRR: Head rice milling recovery ratio
y*indicate significant at p<0.05.
Yield summary of local adaptability test.
| Culture season | Region | No. of tested sites | Milled rice (MT/ha) | |||
|---|---|---|---|---|---|---|
|
|
||||||
| Jungmo1045(A) | Jungmo1045(A) | Index(A/B) | Range | |||
|
|
||||||
| Ordinary planting | West-southern coast | 3 | 551 | 558 | 99 | 4.59~6.50 |
| Middle plain | 1 | 563 | 498 | 101 | 5.08~6.00 | |
| Honam plain | 5 | 564 | 551 | 102 | 4.26~6.53 | |
| Yeongnam plain | 4 | 601 | 614 | 98 | 5.46~6.73 | |
| Mean | 13 | 573ns |
574 | 100 | - | |
| Double cropping | Honam plain | 1 | 555 | 551 | 101 | - |
| Yeongnam plain | 1 | 569 | 561 | 102 | - | |
| Mean | 2 | 562ns | 556 | 101 | - | |
zns indicate no significant at p<0.05.
ns, *, and ** indicate no significant, significant at p<0.05, and p<0.01, respectively.
Germinationrate at 7 days after incubation (25℃, 100% RH)
*indicate significant at p<0.05.
Cold tolerance was evaluated at a cold-water (17℃) irrigated nursery in Chuncheon substation, NICS
Phenotypic acceptability
Culm length + Panicle length
*indicate significant at p<0.05.
R: Resistant, M: Moderately resistant, S: Susceptible
RSV: Rice stripe virus, RDV: rice dwarf virus, RBSDV: Rice black-streaked dwarf virus
BPH: Brown planthopper, SBPH: Small brown planthopper
R: Resistant, M: Moderately resistant, S: Susceptible
ns indicate no significant at p<0.05.
BR: Brown/rough, MB: Milled/brown, MR: Milled/rough, HR: Head rice, HRMRR: Head rice milling recovery ratio
*indicate significant at p<0.05.
ns indicate no significant at p<0.05.