TY - JA AU - Armstrong,K.C. AU - Keller,W.A. AU - Nakamura,C. TI - Kayotype instability in tissue culture regenerants of triticale (x triticosecale wittmack) cv. 'Welsh' from 6-month-old callus cultures PY - 1983/// T2 - Zeistchrift fur Pflanzenzuchtung ER -