1 경기도농업기술원
1 Gyeonggi Agricultural Research & Extension Services, Hwaseong 18388, Korea
2 건국대학교
2 Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
© Korean Society of Breeding Science. All rights reserved.
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| Variety | Heading date | Culum length (cm) | Panicle length (cm) | No. of panicles per hill | No. of grains per panicle | Ratio of ripened grain(%) | 1,000 grain wt. of brown rice (g) |
|---|---|---|---|---|---|---|---|
|
|
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| HDCz | July 28ax | 71a | 20a | 13a | 92a | 85.7a | 20.1a |
| HSy | Aug. 11b | 83b | 21a | 14a | 93a | 87.1a | 22.9b |
| Variety | Appearance of wilting | Adult leaf senescence | Viviparous germinationz (days after treatment, %) | Cold tolerancey | Field lodging Resistance (0-9)x | ||
|---|---|---|---|---|---|---|---|
|
|
|||||||
| Seedling stage (0-9) | Heading delay (days) | Grain fertility (%) | |||||
|
|
|||||||
| HDC | Strong | Late | 5.5 | 5 | 11 | 41 | 1 |
| HS | Strong | Late | 17.1 | 5 | 50 | 54 | 1 |
| Variety | No. of nursery based on reaction to leaf blastz | Field test of neck blast | ||||||
|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||
| R (0~3) | M (4~6) | S (7~9) | Ave. | Rate of disease spikelet(%) | ||||
|
|
||||||||
| Icheon | Jecheon | Iksan | Milyang | |||||
|
|
||||||||
| HDC | 1 | 1 | 12 | 7.3 | 10.8 | 98.4 | 52.4 | 0 |
| HS | 1 | 12 | 1 | 5.8 | 4.9 | 22.6 | 14.3 | 0 |
| Variety | Bacterial blightz | Virus disease(%)y | |||||
|---|---|---|---|---|---|---|---|
|
|
|
||||||
| K1 | K2 | K3 | K3a | RSV | RDV | RBSDV | |
|
|
|
||||||
| HDC | S | S | S | S | S(80.8) | S(86.7) | S(90.0) |
| HS | S | S | S | S | R(14.1) | S(72.2) | S(91.1) |
| Variety | Length/width ratio of brown rice | Aroma (1~3)z | Alkali digestion (1~7) | Protein content(%) | Amylose content(%) |
|---|---|---|---|---|---|
|
|
|||||
| HDC | 1.75 | 3 | 6.3 | 8.0 | Waxy |
| HS | 1.79 | 1 | 6.5 | 6.9 | 20.5 |
| Region | Milled rice of Hwaseong (MT/ha) | Milled rice of Hyangdreamchal (MT/ha) | Index | |||
|---|---|---|---|---|---|---|
|
|
|
|||||
| '10 | '10 | '12 | Ave. | B/A | ||
|
|
||||||
| Hwaseong | 4.69 | 3.75 | 4.02 | 5.23 | 4.33 | 92 |
| Yeoju | 5.18 | 4.24 | 4.13 | 4.78 | 4.38 | 85 |
| Suwon | 4.80 | 3.75 | 3.92 | 4.10 | 3.92 | 82 |
| Yeoncheon | 5.12 | 3.91 | 4.07 | 3.91 | 3.96 | 77 |
| Mean | 495az | 3.91 | 4.04 | 4.51 | 4.15b | 84 |
Major agronomic characteristics of ‘Hyangdreamchal’ in local adaptability test from 2010 to 2012.
| Variety | Heading date | Culum length (cm) | Panicle length (cm) | No. of panicles per hill | No. of grains per panicle | Ratio of ripened grain(%) | 1,000 grain wt. of brown rice (g) |
|---|---|---|---|---|---|---|---|
|
|
|||||||
| HDC |
July 28a |
71a | 20a | 13a | 92a | 85.7a | 20.1a |
| HS |
Aug. 11b | 83b | 21a | 14a | 93a | 87.1a | 22.9b |
zHyangdreamchal,
yHwaseong,
xThe same letters are not significantly different among varieties at the 5% probability level by DMRT
Reaction to environmental and physiological stress from 2010 to 2012.
| Variety | Appearance of wilting | Adult leaf senescence | Viviparous germination |
Cold tolerance |
Field lodging Resistance (0-9) |
||
|---|---|---|---|---|---|---|---|
|
|
|||||||
| Seedling stage (0-9) | Heading delay (days) | Grain fertility (%) | |||||
|
|
|||||||
| HDC | Strong | Late | 5.5 | 5 | 11 | 41 | 1 |
| HS | Strong | Late | 17.1 | 5 | 50 | 54 | 1 |
zGermination rate at 7th day after incubation(25°C).
yCold tolerance was evaluated at Chuncheon cold-water irrigated nursery.
xMean lodging degree under wet direct seeding of local adaptability test in 2010 to 2012.
Reaction to leaf blast and neck blast test from 2010 to 2012.
| Variety | No. of nursery based on reaction to leaf blast |
Field test of neck blast | ||||||
|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||
| R (0~3) | M (4~6) | S (7~9) | Ave. | Rate of disease spikelet(%) | ||||
|
|
||||||||
| Icheon | Jecheon | Iksan | Milyang | |||||
|
|
||||||||
| HDC | 1 | 1 | 12 | 7.3 | 10.8 | 98.4 | 52.4 | 0 |
| HS | 1 | 12 | 1 | 5.8 | 4.9 | 22.6 | 14.3 | 0 |
zR: Resistant, M: Moderate, S: Susceptible.
Reaction to major bacterial blight and virus disease from 2010 to 2012.
| Variety | Bacterial blight |
Virus disease(%) |
|||||
|---|---|---|---|---|---|---|---|
|
|
|
||||||
| K1 | K2 | K3 | K3a | RSV | RDV | RBSDV | |
|
|
|
||||||
| HDC | S | S | S | S | S(80.8) | S(86.7) | S(90.0) |
| HS | S | S | S | S | R(14.1) | S(72.2) | S(91.1) |
zR: Resistant, M: Moderate, S: Susceptible,
yRSV: Rice stripe virus, RDV: Rice dwarf virus, RBSDV: Rice black-streaked dwarf
Grain appearance and quality of 「Hyangdreamchal」 from 2010 to 2012.
| Variety | Length/width ratio of brown rice | Aroma (1~3) |
Alkali digestion (1~7) | Protein content(%) | Amylose content(%) |
|---|---|---|---|---|---|
|
|
|||||
| HDC | 1.75 | 3 | 6.3 | 8.0 | Waxy |
| HS | 1.79 | 1 | 6.5 | 6.9 | 20.5 |
z1: Weak, M: Medium, S: Strong
Rice yield of 「Hyangdreamchal」 at local adaptability test from 2010 to 2012.
| Region | Milled rice of Hwaseong (MT/ha) | Milled rice of Hyangdreamchal (MT/ha) | Index | |||
|---|---|---|---|---|---|---|
|
|
|
|||||
| '10 | '10 | '12 | Ave. | B/A | ||
|
|
||||||
| Hwaseong | 4.69 | 3.75 | 4.02 | 5.23 | 4.33 | 92 |
| Yeoju | 5.18 | 4.24 | 4.13 | 4.78 | 4.38 | 85 |
| Suwon | 4.80 | 3.75 | 3.92 | 4.10 | 3.92 | 82 |
| Yeoncheon | 5.12 | 3.91 | 4.07 | 3.91 | 3.96 | 77 |
| Mean | 495a |
3.91 | 4.04 | 4.51 | 4.15b | 84 |
zThe same letters are not significantly different among varieties at the 5% probability level by DMRT
Hyangdreamchal,
Hwaseong,
The same letters are not significantly different among varieties at the 5% probability level by DMRT
Germination rate at 7th day after incubation(25°C).
Cold tolerance was evaluated at Chuncheon cold-water irrigated nursery.
Mean lodging degree under wet direct seeding of local adaptability test in 2010 to 2012.
R: Resistant, M: Moderate, S: Susceptible.
R: Resistant, M: Moderate, S: Susceptible,
RSV: Rice stripe virus, RDV: Rice dwarf virus, RBSDV: Rice black-streaked dwarf
1: Weak, M: Medium, S: Strong
The same letters are not significantly different among varieties at the 5% probability level by DMRT