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

Table. 1.

Breeding history of ‘MY298BB’

Generation Cross No (line name) Cross combination Plants (seeds) Season Remark
Crossing - Milyang165/IR72 (65seeds) 2000 summer -
F1 YR22242 20 (65) 2000/2001 W 1st RGAz DSy
BC1F1 YR22424 Milyang165/YR22242 11 (13) 2000/2001 W 2nd RGA DS
BC2F1 YR22785 YR22424/Junam 26 (37) 2001 Summer DS
BC2F2 ~2.000 2002 summer DS
BC2F3 YR22785-B Bph resistance BC2F3 unclear 2002/2003 W 2nd RGA Bphx
BC3F1 YR24438 Junam×YR22785-B 67 (67) 2003summer Bph
BC3F2~F6 ~2,000 2004-2008 summer Bulk breeding
BC3F7~F9 652 2009-2012 summer Pedigree breeding
RYTv YR24438-B-B-B-B-132 1 2013 summer BB-Rw
LATu Milyang 298 1 2014-2016 summer
GPVRt MY298BB 1 2017 (No.7652)

zRGA: rapid generation advance, yDS: direct seeding, xBph: brown planthopper, wBB-R: bacterial blight resistance vRYT: Replicated yield trial, uLAT: Local adaptability test, tGPVR: the grant of plant variety rights

Korean J. Breed. Sci. 2020;52:62-8 https://doi.org/10.9787/KJBS.2020.52.1.62
© 2020 Korean J. Breed. Sci.