Korean Journal of Breeding Science :eISSN 2287-5174 / pISSN 0250-3360

Table. 1.

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 )

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)

Korean J. Breed. Sci. 2021;53:32-41 https://doi.org/10.9787/KJBS.2021.53.1.32
© 2021 Korean J. Breed. Sci.