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New Cultivar Developed

수요자 참여형으로 육성된 최고품질 벼 ‘알찬미’

현웅조1, 원용재1, 정응기1,*, 안억근1, 이정희1, 정국현1, 박향미1, 전용희1, 곽지은1, 성낙식1, 김정천2, 정현숙2, 신동윤2, 석재우2

‘Alchanmi’ - A High-Quality Rice Bred with Stakeholder Participatory Program

Korean Journal of Breeding Science 2021;53(2):163-169.
Published online: June 1, 2021

1농촌진흥청 국립식량과학원

2이천농업기술센터

1National Institute of Crop Science, RDA, Wanju, 55365, Republic of Korea

2Icheon Agricultural Technology Center, Icheon, 17379, Republic of Korea

*Corresponding Author (E-mail: egjeong@korea.kr, Tel: +82-31-695-4026, Fax: +82-31-695-4029)
• Received: April 12, 2021   • Revised: May 3, 2021   • Accepted: May 13, 2021

Copyright © 2021 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.

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    Korean Journal of Breeding Science.2025; 57(4): 547.     CrossRef
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  • Breeding a Giant Embryo and Multi-disease-resistant Rice Cultivar, ‘Drimi4ho’
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    Korean Journal of Breeding Science.2023; 55(1): 36.     CrossRef
  • Breeding of ‘Drimi2ho’, a High-quality Rice Cultivar with Multi-resistance
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  • Breeding of “Drimi3ho” a High-Quality, Multi-Resistant Rice Cultivar having Excellent Field Agronomic Traits
    Yoon-Hee Jang, Jae-Ryoung Park, Eun-Gyeong Kim, Jae-Keun Sohn, Gang-Seob Lee, Kyung-Min Kim
    Korean Journal of Breeding Science.2022; 54(4): 385.     CrossRef

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‘Alchanmi’ - A High-Quality Rice Bred with Stakeholder Participatory Program
Korean. J. Breed. Sci.. 2021;53(2):163-169.   Published online June 1, 2021
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Korean. J. Breed. Sci.. 2021;53(2):163-169.   Published online June 1, 2021
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‘Alchanmi’ - A High-Quality Rice Bred with Stakeholder Participatory Program
Image Image
Fig. 1 Pedigree diagram of ‘Alchanmi’.
Fig. 2 Genealogical diagram of ‘Alchanmi’
‘Alchanmi’ - A High-Quality Rice Bred with Stakeholder Participatory Program

Major agronomic traits and yield components.

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)
Alchanmi Aug. 10ns 69** 21ns 15ns 103ns 83.4ns 22.9ns
Hwaseong Aug. 08 85 21 14 95 87.4 21.9

Reaction to blast disease.

Variety Reaction to leaf blast at nursery test (0-9)z Area ratio to leaf lesion of Magnaporthe grisea of sequential plantings(%) Reaction to neck blast (%)
No. of tested sites (14)
Ry M S Mean 1 2 3 4 5 Persistence (0-5) No. of susceptible race (3) Ichon Iksan Mean
Alchanmi 5 7 0 3.6** 50 20 20 30 20 1 21 1.1 2.0 1.6
Hwaseong 1 10 1 5.8 80 90 80 60 60 5 27 2.0 1.9 2.0

Reaction to bacterial blight, virus disease and insect pests.

Variety Bacterial blight Virus diseases Resistance to insects
K1 K2 K3 K3a Stripe (%) Dwarf Black-streak dwarf BPHz SBPH
Alchanmi Ry R R S R (8.9) S S S S
Hwaseong S S S S R (24.8) S S S S

Response to physiological and abiotic stresses.

Variety Premature heading (%) Occurrence of wilting Leaf senescence at maturing Cold tolerancey Viviparousw germination (%)
Discoloration (1-9)z Heading delay (day) Grain fertility (%) PAx
Alchanmi 0.0 Strong Late 1 14ns 26* 7 24.4ns
Hwaseong 0.0 Strong Late 1 10 43 6 30.8

Characteristics related to lodging.

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)
Alchanmi 79* 6.6ns 13.1ns 876* 1,218ns 84 1
Hwaseong 92 7.8 12.4 623 1,196 95 1

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
Alchanmi 5.01 2.83 1.77 0/0 6.4ns 5.6ns 18.6ns 0.70*
Hwaseong 4.98 2.79 1.79 0/1 6.4 6.0 19.5 -0.20

Characteristics related to milling quality.

Variety Milling recovery ratio
(%)
Head rice milling
recovery ratio
(%)
Brown/rough Milled/brown Milled/rough Head rice
Alchanmi 82.4ns 92.0ns 75.8ns 96.2ns 72.9ns
Hwaseong 82.5 91.9 75.8 94.5 71.6

Results of yield potential of ‘Alchanmi’ on local adaptability test.

Tested sites Average milled rice yield (MT/ha) Index (A/B)
Alchanmi Hwaseong
'16 '17 '18 Ave. (A) '16 '17 '18 Ave. (B)
Suwon 552ns 613* 565ns 583 554 578 535 566 103
Hwaseong 555ns 560* 470ns 514 511 495 506 505 102
Yeoju 512ns 562* 445ns 491 485 489 449 468 105
Yeoncheon 607* 542* 540ns 558 525 494 508 509 110
Chuncheon 577ns 520ns 564ns 557 587 528 543 551 101
Cheongju 547ns 515ns 439ns 485 501 453 429 453 107
Average 558ns 552ns 504ns 538 527 506 495 509 106
Table 1 Major agronomic traits and yield components.

zlength from soil surface to panicle neck

*,**significant at 5% and 1% level, respectively, nsnot significant

Table 2 Reaction to blast disease.

zN fertilizer: Blast nursery test=240 kg/ha, Neck blast=220 kg/ha

yR: resistant(0~3); M: moderately resistant(4~6); S: susceptible(7~9)

*,**significant at 5% and 1% level, respectively

Table 3 Reaction to bacterial blight, virus disease and insect pests.

zBPH: brown planthopper; SBPH: small brown planthopper.

yR: resistance, S: susceptible

Table 4 Response to physiological and abiotic stresses.

zEvaluation at maximum tillering stage (1: tolerance; 9: susceptible)

yCold tolerance was evaluated in Chuncheon cold-water (17℃) irrigated nursery

xPhenotypic Acceptability

wGermination rate at 7 days after incubation in 25℃ chamber

*significant at 5% level, nsnot significant

Table 5 Characteristics related to lodging.

zlength from upper part of root up to panicle

*significant at 5% level, nsnot significant

Table 6 Characteristics related to grain shape and grain quality.

*significant at 5% level, nsnot significant

Table 7 Characteristics related to milling quality.

*significant at 5% level, nsnot significant

Table 8 Results of yield potential of ‘Alchanmi’ on local adaptability test.

*significant at 5% level, nsnot significant