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국립식량과학원 육성 벼 품종의 내풍성 특성 분석

박현수1, 백만기1, 정오영1, 전용희2,*

Characterization of Wind-Tolerant Rice Varieties Bred at the National Institute of Crop Science

Korean Journal of Breeding Science 2021;53(1):32-41.
Published online: March 1, 2021

1농촌진흥청 국립식량과학원

2농촌진흥청 국립식량과학원 영덕출장소

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

2Yeongdeok Substation, NICS, RDA, Yeongdeok 36405, Republic of Korea

* Corresponding Author (E-mail: jeonyhee@korea.kr, Tel: +82-54-732-0385, Fax: +82-54-732-9584)

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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Characterization of Wind-Tolerant Rice Varieties Bred at the National Institute of Crop Science
Korean. J. Breed. Sci.. 2021;53(1):32-41.   Published online March 1, 2021
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Korean. J. Breed. Sci.. 2021;53(1):32-41.   Published online March 1, 2021
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Characterization of Wind-Tolerant Rice Varieties Bred at the National Institute of Crop Science
Image Image Image Image Image Image Image
Fig. 1 Wind tolerance screening facility. Layout of facility (A) and test section (B), photo of facility (C) and after wind-treatment (D).
Fig. 2 Scatterplot matrices, histograms, and correlations for wind tolerance-related traits. Red circles, red lines, and black ellipses represent the means, linear regression lines, and correlation ellipses, respectively. WS: white spikelet, WP: white panicle, DG: degree of wind damage, RRG_C: ratio of ripened grain (RRG) at control, RRG_T: RRG at treatment, RRG_R: reduction rate of RRG between control and treatment.
Fig. 3 Comparison of wind tolerance-related traits of rice varieties bred at National institute of crop science (NICS) and Yeongdeok substation (YS). White spikelet (A), white panicle (B), DG: degree of wind damage (C), RRG_C: ratio of ripened grain (RRG) at control (D), RRG_T: RRG at treatment (E), RRG_R: reduction rate of RRG between control and treatment (F). N and Y mean varieties bred at NICS and YS. Blue rectangles in the box plots indicate the means of wind tolerance-related traits. * and ** indicate significant at p<0.05 and p<0.01 by t-test, respectively.
Fig. 4 Distribution of rice varieties bred at National institute of crop science (NICS) and Yeongdeok substation (YS) using wind tolerance-related traits. Principal component analysis (A) and K-means clustering analysis (B). PC1: principal component 1, PC2: principal component 2. N and Y mean varieties bred at NICS and YS. WS: white spikelet, WP: white panicle, DG: degree of wind damage, RRG_C: ratio of ripened grain (RRG) at control, RRG_T: RRG at treatment, RRG_R: reduction rate of RRG between control and treatment. Dim1: dimension 1, Dim2: dimension 2. C1-6: cluster 1-6. Abbreviation of varieties and values of the wind tolerance-related traits are listed in Supplementary Table 1.
Fig. 5 Additive main effects and multiplicative interaction biplots of yield-related traits of rice varieties bred at Yeongdeok substation in wind-prone areas 1 km and 2 km far from the east coast. Plant height (A) and number of tillers per hill at maximum tillering stage (B), heading date (C), culm length (D), number of panicles per hill (E), number of spikelets per panicle (F), ratio of ripened grain (G), yield (H). Abbreviation of varieties and values of yield-related traits are listed in Supplementary Table 2.
Fig. 6 Relationship between wind tolerance-related traits by wind tolerance screening facility and yield-related traits in wind-prone areas far from the east coast. Principal component analysis (A) and correlation analysis (B). PC1: principal component 1, PC2: principal component 2. C1, C2, C4, and C6 mean c lusters classified by K-means clustering (Fig. 4B). WS: white spikelet, WP: white panicle, DG: degree of wind damage, RRG_C: ratio of ripened grain (RRG) at control, RRG_T: RRG at treatment, RRG_R: reduction rate of RRG between control and treatment, PH and TN: plant height and number of tillers per hill at maximum tillering stage, respectively. HD: heading date, DAS: days after seeding, CL: culm length, PN: number of panicles per hill, NS: number of spikelets per panicle, RRG: ratio of ripened grain at wind-prone areas. Abbreviation of varieties are listed in Supplementary Table 2.
Fig. 7 Classification of wind tolerant rice varieties bred at Yeongdeok substation by adaptability test in wind-prone areas. K-means clustering analysis using four traits, white panicle (WP) and ratio of ripened grain at treatment (RRG_T) by wind tolerance screening facility and ratio of ripened grain (RRG) and yield in wind-prone areas (A). 3D-scatter plot using WP, RRG_T, and yield (B). CB: Chilbo, DaB: Dabo, DB: Daebo, DH: Donghae, DHJM: Donghaejinmi, DoB: Dongbo, HORM: Haeoreumi, HP: Haepyeong, HPC: Haepyeongchal, JB: Jinbo, NaP: Naepung, PM: Pungmi, SaB: Sangbo, SCB: Saechilbo, SD: Samdeog, SiB: Sinbo, WH: Weonhwang, YB: Youngbo, YD: Yeongdeog, YH: Yeonghae. YC1-6: Yeongdeok cluster 1-6.
Characterization of Wind-Tolerant Rice Varieties Bred at the National Institute of Crop Science

Comparison of wind tolerance-related traits of rice varieties bred at National institute of crop science (NICS) and Yeongdeok substation (YS).

Groupz (cluster) n White spikelet (%) White panicle (%) Degree of wind damage (1-9) Ratio of ripened grain (%)

Control Treatment Reduction rate
N 17 46.4*y 43.3* 4.5* 79.3** 32.7** 59.1**
Y 20 34.4 31.3 3.6 90.0 49.6 45.1
(C1) 10 23.6cdx 20.8cd 2.3c 88.2ab 54.2ab 38.5cd
(C2) 5 57.4b 55.0b 5.9b 80.8bc 27.6cd 64.4ab
(C3) 2 83.3a 78.8a 8.0a 73.4c 13.3d 80.1a
(C4) 16 43.7bc 40.3bc 4.4b 89.3ab 43.6bc 51.4bc
(C5) 2 22.1cd 19.6cd 2.2c 56.4d 8.7d 80.7a
(C6) 2 10.9d 9.4d 1.5c 92.5a 72.4a 21.9d

Total 37 39.4 36.4 4.0 85.5 42.5 51.0
C.V. (%) 69.7 75.5 67.3 14.5 55.0 50.1

zN: NICS, Y: YS, C1-6: clusters classified by K-means clustering (the varieties in the clusters are listed in Supplementary Table 1)

y* and ** mean significant at p<0.05 and p<0.01 by t-test

xMeans with same letters in a column are not significantly different at p<0.05 (ANOVA followed by DMRT)

Classification of wind tolerant rice varieties bred at Yeongdeok substation by K-means clustering analysis using representative traits evaluated at the wind tolerance screening facility and wind prone areas.

Cluster n Varietyz Wind tolerance screening facility Wind prone area


White panicle (%) Ratio of ripened grain at treatment (%) Ratio of ripened grain (%) Yield (kg/10a)
YC1 6 DoB, HPC, NaP, PM, YD, YH 35.4ay 47.4b 78.5a 495b
YC2 6 CB, DaB, DH, HP, SD, SiB 15.7b 62.7a 76.2a 554a
YC3 8 DB, DHJM, HORM, JB, SaB, SCB, WH, YB 39.9a 41.5b 77.4a 563a

Total 20 31.3 49.6 77.3 540
C.V. (%) 42.5 22.6 4.6 6.5

zCB: Chilbo, DaB: Dabo, DB: Daebo, DH: Donghae, DHJM: Donghaejinmi, DoB: Dongbo, HORM: Haeoreumi, HP: Haepyeong, HPC: Haepyeongchal, JB: Jinbo, NaP: Naepung, PM: Pungmi, SaB: Sangbo, SCB: Saechilbo, SD: Samdeog, SiB: Sinbo, WH: Weonhwang, YB: Youngbo, YD: Yeongdeog, YH: Yeonghae

yMeans with same letters in a column are not significantly different at p<0.05 (ANOVA followed by DMRT)

Table 1 Comparison of wind tolerance-related traits of rice varieties bred at National institute of crop science (NICS) and Yeongdeok substation (YS).

zN: NICS, Y: YS, C1-6: clusters classified by K-means clustering (the varieties in the clusters are listed in Supplementary Table 1)

y* and ** mean significant at p<0.05 and p<0.01 by t-test

xMeans with same letters in a column are not significantly different at p<0.05 (ANOVA followed by DMRT)

Table 2 Classification of wind tolerant rice varieties bred at Yeongdeok substation by K-means clustering analysis using representative traits evaluated at the wind tolerance screening facility and wind prone areas.

zCB: Chilbo, DaB: Dabo, DB: Daebo, DH: Donghae, DHJM: Donghaejinmi, DoB: Dongbo, HORM: Haeoreumi, HP: Haepyeong, HPC: Haepyeongchal, JB: Jinbo, NaP: Naepung, PM: Pungmi, SaB: Sangbo, SCB: Saechilbo, SD: Samdeog, SiB: Sinbo, WH: Weonhwang, YB: Youngbo, YD: Yeongdeog, YH: Yeonghae

yMeans with same letters in a column are not significantly different at p<0.05 (ANOVA followed by DMRT)