1 농촌진흥청
1 Rural Development Administration (RDA), Jeonju 54875, Korea
2 국립식량과학원
2 National Institute of Crop Science (NICS), RDA, Miryang 55365, Korea
3 국립원예특작과학원
3 National Institute of Horticultural and Herbal Science (NIHHS), RDA, Eumseong 27709, Korea
© Korean Society of Breeding Science All rights reserved
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| Variety | Premature heading ratio (%) | Viviparous germinationz (%) | Lodging tolerancey | Cold tolerancex | ||||
|---|---|---|---|---|---|---|---|---|
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| Lodging index | Transplanting field (1-9) | Direct seeding field (1-9) | Seedling stage (0-9) | Heading delay (days) | Grain fertility (%) | |||
|
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| Geonyang2 | 0 | 12.0 | 201 | 1 | 1 | 7 | 13 | 45 |
| Nampyeongbyeo | 0 | 2.7 | 213 | 1 | 3 | 7 | 11 | 32 |
| Variety | Bacterial blightz | Virus diseasey | Planthopperx | ||||||
|---|---|---|---|---|---|---|---|---|---|
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| K1 | K2 | K3 | K3a | RSV | RDV | RBSDV | BPH | SBPH | |
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| Geonyang2 | Rw | R | R | S | R | S | S | S | S |
| Nampyeongbyeo | S | S | S | S | R | M | S | S | S |
| Culture season | Region | No. of test sites | Milled rice(MT/ha) | |||||
|---|---|---|---|---|---|---|---|---|
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| Nampyeongbyeo (B) | Geonyang2 | |||||||
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| ’10 | ’11 | ’12 | Mean (A) | Index (A/B) | ||||
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| Ordinary planting | Middle plain | 2 | (482) z | 442 | 505 | 396 | 448 | 93 |
| Yeongnam plain | 1 | 522 | 476 | 462 | 457 | 465 | 90 | |
| Honam plain | 3 | 515 | 459 | 500 | 445 | 468 | 91 | |
| Mean | 6 | 505 | 456 | 496 | 431 | 461 | 91 | |
Major agronomic traits and yield components of ‘Geonyang2’.
| Variety | Heading date | Culm length (cm) | Panicle length (cm) | No. of panicle per hill | No. of Spikelets per panicles | Ratio of ripened grain(%) | Brown rice 1000 grain weight(g) |
|---|---|---|---|---|---|---|---|
|
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| Geonyang2 | Aug. 10 | 65 | 21 | 15 | 90 | 82.0 | 20.2 |
| Nampyeongbyeo | Aug. 15 | 78 | 19 | 13 | 105 | 83.3 | 20.7 |
Reaction to environmental and physiological stress of ‘Geonyang2’.
| Variety | Premature heading ratio (%) | Viviparous germination |
Lodging tolerance |
Cold tolerance |
||||
|---|---|---|---|---|---|---|---|---|
|
|
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| Lodging index | Transplanting field (1-9) | Direct seeding field (1-9) | Seedling stage (0-9) | Heading delay (days) | Grain fertility (%) | |||
|
|
||||||||
| Geonyang2 | 0 | 12.0 | 201 | 1 | 1 | 7 | 13 | 45 |
| Nampyeongbyeo | 0 | 2.7 | 213 | 1 | 3 | 7 | 11 | 32 |
ZGermination rate at 7th day after incubation(25°C)
yMean lodging degree under wet direct seeding of local adaptability test for 2010 to 2012
xCold tolerance was evaluated at Chuncheon cold-water irrigated nursery
Reaction to leaf and neck blast disease of ‘Geonyang2’.
| Variety | Leaf blast | Neck blast | ||||||
|---|---|---|---|---|---|---|---|---|
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| No. of tested sites | Rate of disease panicle (%) | |||||||
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| R (0~3) | M (4~6) | S (7~9) | Mean | Jecheon | Icheon | Iksan | Miryang | |
|
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| Geonyang2 | 1 | 8 | 5 | 5.7 | 1.6 | 3.6 | 0.9 | 0.0 |
| Nampyeongbyeo | 5 | 9 | 0 | 3.6 | 0.0 | 0.7 | 1.0 | 0.0 |
Reaction to major disease and insect pests of ‘Geonyang2’.
| Variety | Bacterial blight |
Virus disease |
Planthopper |
||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
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| K1 | K2 | K3 | K3a | RSV | RDV | RBSDV | BPH | SBPH | |
|
|
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| Geonyang2 | R |
R | R | S | R | S | S | S | S |
| Nampyeongbyeo | S | S | S | S | R | M | S | S | S |
zK1: HB01013, K2: HB01014, K3: HB01015, K3a: HB01009
yRSV: Rice stripe virus, RDV: Rice dwarf virus, RBSDV: Rice black-streaked dwarf
xBPH: Brown planthopper, SBPH: Small brown planthopper
wR: Resistant, M: Moderate, S: Susceptible
Grain quality, physiochemical and milling properties of ‘Geonyang2’.
| Variety | Trans lucency (1-9) | White core/ belly (0-9) | Amylose content (%) | Protein content (%) | Glutelin content (%) | Alkali digestion value (1-7) | Milled/ brown rice ratio (%) | Head rice recovery (%) |
|---|---|---|---|---|---|---|---|---|
|
|
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| Geonyang2 | 5 | dull | 11.5 | 6.0 | 63.1 | 5.6 | 81.8 | 89.1 |
| Nampyeongbyeo | 1 | 0/0 | 19.7 | 6.9 | 73.8 | 5.9 | 82.1 | 97.2 |
Yield summary of ‘Geonyang2’ in local adaptability test.
| Culture season | Region | No. of test sites | Milled rice(MT/ha) | |||||
|---|---|---|---|---|---|---|---|---|
|
|
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| Nampyeongbyeo (B) | Geonyang2 | |||||||
|
|
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| ’10 | ’11 | ’12 | Mean (A) | Index (A/B) | ||||
|
|
||||||||
| Ordinary planting | Middle plain | 2 | (482) |
442 | 505 | 396 | 448 | 93 |
| Yeongnam plain | 1 | 522 | 476 | 462 | 457 | 465 | 90 | |
| Honam plain | 3 | 515 | 459 | 500 | 445 | 468 | 91 | |
| Mean | 6 | 505 | 456 | 496 | 431 | 461 | 91 | |
zHwaseongbyeo
Germination rate at 7th day after incubation(25°C)
Mean lodging degree under wet direct seeding of local adaptability test for 2010 to 2012
Cold tolerance was evaluated at Chuncheon cold-water irrigated nursery
K1: HB01013, K2: HB01014, K3: HB01015, K3a: HB01009
RSV: Rice stripe virus, RDV: Rice dwarf virus, RBSDV: Rice black-streaked dwarf
BPH: Brown planthopper, SBPH: Small brown planthopper
R: Resistant, M: Moderate, S: Susceptible
Hwaseongbyeo