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

Table. 1.

Heading date and climate conditions in early, ordinary, and late cultivations.

Cultivation time Variety Heading date (DASz) Cumulative mean temperature (℃) Cumulative sunshine hours (hrs.)

Growth stage Ripening stage Growth stage Ripening stage
Early Jopyeong 96dy 1,905f 1,148b 673f 311c
Odae 98c 1,951d 1,148a 687c 306d
Unkwang 98c 1,963c 1,146c 682d 312b
Haedamssal 98c 1,952e 1,144d 675e 314b
Jinkwang 100b 2,012b 1,142d 691b 314a
Haedeul 104a 2,126a 1,126e 727a 285e
Mean 99Ax 1,985A 1,142A 689A 307A
C.V.(%) 2.6 3.8 0.7 2.8 3.4
Ordinary Jopyeong 86f 1,897f 1,116a 607f 279a
Odae 88e 1,965e 1,106b 622e 268b
Unkwang 91c 2,058c 1,093d 647c 255d
Haedamssal 91d 2,033d 1,096c 640d 261c
Jinkwang 92b 2,087b 1,088e 657b 250e
Haedeul 94a 2,147a 1,072f 677a 241f
Mean 90B 2,031A 1,095B 642B 259B
C.V.(%) 3.0 3.9 1.2 3.5 4.8
Late Jopyeong 72e 1,907e 893a 499e 210e
Odae 76c 2,002c 865c 510c 212c
Unkwang 75c 2,011c 863c 511c 214c
Haedamssal 77b 2,035b 854d 512b 218b
Jinkwang 74d 1,971d 877b 505d 211d
Haedeul 78a 2,059a 844e 521a 218a
Mean 75C 1,998A 866C 510C 214C
C.V.(%) 2.7 2.5 1.9 1.2 1.9

Total 88 1,993 1,037 611 260
C.V.(%) 11.6 3.5 11.7 12.7 15.4

zDAS: days after seeding

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

xCapital letters indicate statistics different among cultivation time

Korean J. Breed. Sci. 2021;53:1-15 https://doi.org/10.9787/KJBS.2021.53.1.1
© 2021 Korean J. Breed. Sci.