TY  - PRO
AU  - Bohorova,N.E.
AU  - Atanassov,A.
AU  - Spirova,M.
TI  - New source of cytoplasmic male sterility (CMS) in sunflower from interspecific hybridization Helianthus annuus X H. hirsutus and in vitro methods
PY  - 1992///
KW  - Breeding methods
KW  - AGROVOC
KW  - Helianthus annuus
KW  - Hybridization
KW  - In vitro experimentation
KW  - Male infertility
ER  -