농촌진흥청 국립식량과학원
농촌진흥청 국립원예특작과학원
National Institute of Crop Science, RDA, Wanju 565-851, Republic of Korea
National Institute of Horticultural and Herbal Science, RDA, Wanju 55365, 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 | Culmz length (cm) | Panicle length (cm) | No. of panicles /hill | No. of spikelets /panicle | Ratio of ripened grain (%) | 1000-grain weight of brown rice(g) |
|---|---|---|---|---|---|---|---|
| Cheongpum | Aug.10* | 79ns | 21ns | 13ns | 116* | 90.3ns | 23.0ns |
| Hwaseong | Aug.8 | 84 | 21 | 13 | 98 | 90.6 | 23.2 |
| 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 (%) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| No. ofested sites(14) | ||||||||||||||
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| Rz | M | S | Mean | 1 | 2 | 3 | 4 | 5 | Persistence (0-5) | No. of susceptible race(40) | Ichon | Iksan | Mean | |
| Cheongpum | 4 | 9 | 1 | 4.4* | 55 | 38 | 45 | 50 | 30 | 5 | 19 | 0.2 | 2.0 | 1.1 |
| Hwaseong | 2 | 8 | 4 | 5.8 | 80 | 75 | 80 | 40 | 40 | 5 | 30 | 4.9 | 12.7 | 8.8 |
| Variety | Bacterial blight | Virus diseases | Resistance to insects | ||||||
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| Variety | Bacterial blight | Stripe (%) | Dwarf | Black- streak dwarf | Resistance to insects | ||||
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| Variety | K1 | K2 | K3 | K3a | Stripe | Dwarf | Black- streak dwarf | Resistance to insects | |
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| Variety | K1 | K2 | K3 | Field (0-9) | Stripe | Dwarf | Black- streak dwarf | BPHz | SBPH |
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| Cheongpum | Ry | R | R | S | R(13.4) | S | S | S | S |
| Hwaseong | S | S | S | S | R(23.3) | S | S | S | S |
| Variety | Premature heading (%) | Occurrence of wilting | Leaf senescence at maturing | Cold tolerancey | Viviparousw germination (%) | |||
|---|---|---|---|---|---|---|---|---|
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| Discol-oration (1-9)z | Heading delay (day) | Grain fertility (%) | PAx | |||||
| Cheongpum | 0.0 | Strong | Late | 1 | 10ns | 39* | 6 | 27.9* |
| Hwaseong | 0.0 | Strong | Late | 1 | 9 | 53 | 6 | 21.4 |
| Variety | Plantz hight (cm) | Third internode length (cm) | Top fresh weight (g) | Breaking strength (g) | Moment (g.cm) | Lodging index | Lodging in the field (0 ~ 9) |
|---|---|---|---|---|---|---|---|
| Cheongpum | 97 | 9.3 | 15.1* | 876* | 1,189* | 121 | 3 |
| Hwaseong | 104 | 10.1 | 10.7 | 623 | 867 | 160 | 3 |
| Variety | Milling recovery ratio (%) | Head rice milling recovery ratio (%) | |||
|---|---|---|---|---|---|
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| Brown/rough | Milled/brown | Milled/rough | Head rice | ||
| Cheongpum | 82.3ns | 91.8ns | 75.1ns | 94.1* | 70.7* |
| Hwaseong | 82.2 | 90.9 | 74.8 | 81.6 | 61.1 |
| Culture Season | Region | Tested sites | Average milled rice yield (MT/ha) | Index (A/B) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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| Jungmo1023 | Hwaseong | ||||||||||
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| ’13 | ’14 | ’15 | Ave.(A) | ’13 | ’14 | ’15 | Ave.(B) | ||||
| Ordinary planting culture | Middle plain | Suwon | 554 | 592 | 553 | 566 | 507 | 549 | 542 | 533 | 106 |
| Hwaseong | 498 | 529 | 589 | 539 | 494 | 495 | 571 | 520 | 104 | ||
| Yeoju | 552 | 574 | 554 | 560 | 495 | 532 | 538 | 522 | 108 | ||
| Yeoncheon | 569 | 569 | 592 | 577 | 529 | 520 | 527 | 525 | 110 | ||
| Chuncheon | 519 | 493 | 519 | 510 | 575 | 558 | 597 | 577 | 88 | ||
| Cheongju | 540 | 560 | 497 | 497 | 501 | 506 | 587 | 498 | 102 | ||
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| Average | 539 | 553 | 551 | 547 | 517 | 527 | 544 | 529 | 104 | ||
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| SMPz | Boeun | 537 | 632 | 509 | 559 | 497 | 535 | 520 | 517 | 108 | |
| Jinan | 499 | 487 | 509 | 498 | 511 | 493 | 506 | 503 | 99 | ||
| Andong | 587 | 520 | 494 | 534 | 598 | 498 | 535 | 544 | 98 | ||
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| Average | 541 | 546 | 504 | 530 | 535 | 509 | 520 | 521 | 102 | ||
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| MWCy | Namyang | 378 | 530 | 446 | 451 | 422 | 510 | 431 | 454 | 99 | |
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| ENCx | Yeongdeok | 534 | 641 | 543 | 573 | 527 | 608 | 505 | 547 | 105 | |
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| Average | 524 | 557 | 528 | 536ns | 514 | 528 | 525 | 522 | 103 | ||
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) |
|---|---|---|---|---|---|---|---|
| Cheongpum | Aug.10 |
79ns | 21ns | 13ns | 116 |
90.3ns | 23.0ns |
| Hwaseong | Aug.8 | 84 | 21 | 13 | 98 | 90.6 | 23.2 |
zlength from soil surface to panicle neck
*significant at 5% and 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. ofested sites(14) | ||||||||||||||
| R |
M | S | Mean | 1 | 2 | 3 | 4 | 5 | Persistence (0-5) | No. of susceptible race(40) | Ichon | Iksan | Mean | |
| Cheongpum | 4 | 9 | 1 | 4.4 |
55 | 38 | 45 | 50 | 30 | 5 | 19 | 0.2 | 2.0 | 1.1 |
| Hwaseong | 2 | 8 | 4 | 5.8 | 80 | 75 | 80 | 40 | 40 | 5 | 30 | 4.9 | 12.7 | 8.8 |
zR: resistant(0~3); M: moderately resistant(4~6); S: susceptible(7~9)
N fertilizer: Blast nursery test=240kg/ha, Neck blast=220kg/ha
*:significant at 5% level
Reaction to bacterial blight, virus disease and insect pests.
| Variety | Bacterial blight | Virus diseases | Resistance to insects | ||||||
| Variety | Bacterial blight | Stripe (%) | Dwarf | Black- streak dwarf | Resistance to insects | ||||
| Variety | K1 | K2 | K3 | K3a | Stripe | Dwarf | Black- streak dwarf | Resistance to insects | |
| Variety | K1 | K2 | K3 | Field (0-9) | Stripe | Dwarf | Black- streak dwarf | BPH |
SBPH |
| Cheongpum | R |
R | R | S | R(13.4) | S | S | S | S |
| Hwaseong | S | S | S | S | R(23.3) | 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 |
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|---|---|---|---|---|---|---|---|---|
| Discol-oration (1-9) |
Heading delay (day) | Grain fertility (%) | PA |
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| Cheongpum | 0.0 | Strong | Late | 1 | 10ns | 39 |
6 | 27.9 |
| Hwaseong | 0.0 | Strong | Late | 1 | 9 | 53 | 6 | 21.4 |
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
*significant at 5% level
Characteristics related to lodging.
| Variety | Plant |
Third internode length (cm) | Top fresh weight (g) | Breaking strength (g) | Moment (g.cm) | Lodging index | Lodging in the field (0 ~ 9) |
|---|---|---|---|---|---|---|---|
| Cheongpum | 97 | 9.3 | 15.1 |
876 |
1,189 |
121 | 3 |
| Hwaseong | 104 | 10.1 | 10.7 | 623 | 867 | 160 | 3 |
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 (%) | Palatability of cooked rice (-3~3) | ||
|---|---|---|---|---|---|---|---|---|
| Length (mm) | Width (mm) | L/W ratio | ||||||
| Cheongpum | 5.17 | 2.80 | 1.85 | 1/0 | 6.3ns | 6.0ns | 18.8ns | 0.41 |
| Hwaseong | 5.09 | 2.84 | 1.92 | 0/1 | 6.5 | 6.6 | 19.7 | -0.08 |
nsnot significant
Characteristics related to milling quality.
| Variety | Milling recovery ratio (%) | Head rice milling recovery ratio (%) | |||
|---|---|---|---|---|---|
| Brown/rough | Milled/brown | Milled/rough | Head rice | ||
| Cheongpum | 82.3ns | 91.8ns | 75.1ns | 94.1 |
70.7 |
| Hwaseong | 82.2 | 90.9 | 74.8 | 81.6 | 61.1 |
*significant at 5% level
nsnot significant
Results of yield potential of ‘Cheongpum’ on local adaptability test.
| Culture Season | Region | Tested sites | Average milled rice yield (MT/ha) | Index (A/B) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jungmo1023 | Hwaseong | ||||||||||
| ’13 | ’14 | ’15 | Ave.(A) | ’13 | ’14 | ’15 | Ave.(B) | ||||
| Ordinary planting culture | Middle plain | Suwon | 554 | 592 | 553 | 566 | 507 | 549 | 542 | 533 | 106 |
| Hwaseong | 498 | 529 | 589 | 539 | 494 | 495 | 571 | 520 | 104 | ||
| Yeoju | 552 | 574 | 554 | 560 | 495 | 532 | 538 | 522 | 108 | ||
| Yeoncheon | 569 | 569 | 592 | 577 | 529 | 520 | 527 | 525 | 110 | ||
| Chuncheon | 519 | 493 | 519 | 510 | 575 | 558 | 597 | 577 | 88 | ||
| Cheongju | 540 | 560 | 497 | 497 | 501 | 506 | 587 | 498 | 102 | ||
| Average | 539 | 553 | 551 | 547 | 517 | 527 | 544 | 529 | 104 | ||
| SMP |
Boeun | 537 | 632 | 509 | 559 | 497 | 535 | 520 | 517 | 108 | |
| Jinan | 499 | 487 | 509 | 498 | 511 | 493 | 506 | 503 | 99 | ||
| Andong | 587 | 520 | 494 | 534 | 598 | 498 | 535 | 544 | 98 | ||
| Average | 541 | 546 | 504 | 530 | 535 | 509 | 520 | 521 | 102 | ||
| MWC |
Namyang | 378 | 530 | 446 | 451 | 422 | 510 | 431 | 454 | 99 | |
| ENC |
Yeongdeok | 534 | 641 | 543 | 573 | 527 | 608 | 505 | 547 | 105 | |
| Average | 524 | 557 | 528 | 536ns | 514 | 528 | 525 | 522 | 103 | ||
zSMP: South middle plain area
yMWC: Mid-west coastal area
xENC: East-north coastal area
nsnot significant
length from soil surface to panicle neck
significant at 5% and respectively
nsnot significant
R: resistant(0~3); M: moderately resistant(4~6); S: susceptible(7~9)
N fertilizer: Blast nursery test=240kg/ha, Neck blast=220kg/ha
:significant at 5% level
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
significant at 5% level
length from upper part of root up to panicle
significant at 5% level
nsnot significant
significant at 5% level
nsnot significant
SMP: South middle plain area
MWC: Mid-west coastal area
ENC: East-north coastal area
nsnot significant