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

Table. 4.

Amphidiploidy efficiency with 12 accessions of Brassica juncea with colchicine treatment in post-embryo culturez.

Accessions Number of buds Number of embryos Number of regenerated plants Colchicine treatment time* (h) Number of amphidiploid plants (4n)
Nuttongii 180 22 6 3 4
Zzangdoli 105 - - - -
Ssamdolii 120 13 1 3 0
1 5 1
Jarami 250 571 29 3 21
8 5 4
2 24 -
Mekomi 180 88 5 3 4
JA9 130 7 3 3 2
JC7 140 90 16 3 11
1 5 -
5 24 1
JC8 70 36 6 3 1
5 5 3
4 24 1
JD6 290 4 - - -
JD7 320 377 9 3 6
9 5 3
5 24 1
JD14 70 55 14 3 8
8 5 5
13 24 3
JD16 250 31 4 3 2

zColchicine treatment time with 0.34% in 3, 5, and 24h, respectively.

Korean J Breed Sci 2019;51:341-50 https://doi.org/10.9787/KJBS.2019.51.4.341
© 2019 Korean J Breed Sci