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New Cultivar Developed

Shuttle Breeding을 통한 벼 내냉성 유전자원 ‘중모1022’ 육성

김정주1, 정응기1,*, 정종민1, 이정희2, 조영찬1, 정오영1, 서대하1

Development of Cold Tolerance Genetic Resource ‘Jungmo1022’ through Shuttle Breeding in Rice

Korean Journal of Breeding Science 2020;52(2):206-211.
Published online: June 1, 2020

1농촌진흥청 국립식량과학원

2농촌진흥청 기획조정관실

1National Institute of Crop Science, RDA, Wanju 54875, Republic of Korea

2Planning and Coordination Bureau, RDA, Wanju 54875, Republic of Korea

* Corresponding Author (E-mail: egjeong@korea.kr, Tel: +82-33-254-6328, Fax: +82-254-6360)
• Received: March 18, 2020   • Revised: March 31, 2020   • Accepted: May 18, 2020

Copyright © 2020 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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Citations

Citations to this article as recorded by  Crossref logo
  • Genome-wide Association Study for Cold Tolerance at Seedling Stage Using a Core Collection of Korean Rice
    Sa-Eun Park, Ngoc Ha Luong, Sang-Nag Ahn, Kyu-Chan Shim
    Journal of Agriculture & Life Science.2025; 59(2): 13.     CrossRef
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    Functional & Integrative Genomics.2024;[Epub]     CrossRef
  • A critical review on integrating bio fortification in crops for sustainable agricultural development and nutritional security
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    Journal of Agriculture and Food Research.2023; 14: 100830.     CrossRef
  • Research Advances in Improving Disease Resistance and Abiotic Stress Tolerance Using CRISPR/Cas9 Gene Editing in Rice
    Yurim Kim, Sieun Choi, In Sun Yoon, Song Lim Kim, Youngjun Mo
    Korean Journal of Breeding Science.2022; 54(4): 331.     CrossRef
  • Early Maturing Whole Crop Silage Japonica Rice Cultivar 'Jonong' with Short Growth Duration and Numerous Spikelets
    Hyun-Su Park, Man-Kee Baek, Woo-Jae Kim, Jeong-Ju Kim, Jong-Min Jeong, Young-Chan Cho, Jong-Cheol Ko, Ji-Ung Jeung, O-Young Jeong, Chang-Min Lee, Suk-Man Kim, Ki-Young Kim, Jeom-Ho Lee
    Korean Journal of Breeding Science.2021; 53(3): 318.     CrossRef
  • Biofortification of Cereals and Pulses Using New Breeding Techniques: Current and Future Perspectives
    Rahil Shahzad, Shakra Jamil, Shakeel Ahmad, Amina Nisar, Sipper Khan, Zarmaha Amina, Shamsa Kanwal, Hafiz Muhammad Usman Aslam, Rafaqat Ali Gill, Weijun Zhou
    Frontiers in Nutrition.2021;[Epub]     CrossRef

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Development of Cold Tolerance Genetic Resource ‘Jungmo1022’ through Shuttle Breeding in Rice
Korean. J. Breed. Sci.. 2020;52(2):206-211.   Published online June 1, 2020
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Development of Cold Tolerance Genetic Resource ‘Jungmo1022’ through Shuttle Breeding in Rice
Korean. J. Breed. Sci.. 2020;52(2):206-211.   Published online June 1, 2020
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Development of Cold Tolerance Genetic Resource ‘Jungmo1022’ through Shuttle Breeding in Rice
Image Image
Fig. 1 Pedigree diagram of ‘Jungmo1022’.
Fig. 2 Genealogical diagram of ‘Jungmo1022’
Development of Cold Tolerance Genetic Resource ‘Jungmo1022’ through Shuttle Breeding in Rice

Major agronomic traits and yield components.

Variety Culm length (cm) Panicle length (cm) No. of panicles/hill No. of spikelets/panicle Ratio of ripened grain (%) Days of full headingz (day) Days of growth in paddy fieldy (day) Ripening periodx (day)
Jungmo1022 67ns 17ns 14ns 91* 89.7ns 6ns 116* 46ns
Jinbu 69 17 15 73 91.8 7 123 48

Yield trials ‘Jungmo1022’ at Jinbu site.

Variety Milled rice yield (MT/ha)

08 09 Ave. Index (A/B)
Jungmo1022 5.65 4.69 5.17ns 105
Jinbu 5.24 4.57 4.91 100

Yield potential of ‘Jungmo1022’ by local adaptability test.

Region Tested sites Average milled rice yield (MT/ha) Index (A/B)

Jungmo1022 Jinbu


10 11 12 Ave. (A) 10 11 12 Ave. (B)
NMHz Jinbu 5.51 5.70 5.87 5.69ns 5.68 5.52 5.66 5.62 102
MMPy Cheolwon 4.58 4.85 4.79 4.74 5.54 4.89 5.19 5.20 91

Comparison of low temperature germination and leaf discoloration.

Variety Low temperature germination (%) Seedling length (cm) Initial elongation Leaf discoloration (1~9)
Jungmo1022 96* 18ns Good 4
Jinbu 79 19 Good 4

Comparison of cold tolerance characteristics.

Variety Heading delay (day) Culm length reduction (%) Panicle exsertion (1-9)z Spikelet fertility (%) Phenotypic acceptability (1-9)y

Meiosis stage Heading
Jungmo1022 8ns 14ns* 5ns 76ns 64* 3ns
Jinbu 9 22 7 75 53 3
Table 1 Major agronomic traits and yield components.

Days from heading initiation to full heading

days from transplanting to maturity

days from heading to maturity

significant at 5% , nsnot significant

Table 2 Yield trials ‘Jungmo1022’ at Jinbu site.

nsnot significant

Table 3 Yield potential of ‘Jungmo1022’ by local adaptability test.

NMH: North-middle highland

MMP: Middle-mountain plain area

not significant

Table 4 Comparison of low temperature germination and leaf discoloration.

significant at 5% , nsnot significant

Table 5 Comparison of cold tolerance characteristics.

significant at 5%, nsnot significant

Panicle exsertion (1: Poor, 5: Ordinary, 9: Good)

Phenotypic Acceptability of tillering stage (1: Tolerance, 9: Susceptible)