TY  - BOOK
AU  - C.M. Keerthi
AU  -  H.L. Nadaf  Department of Genetics and Plant Breeding
TI  - Heterosis and combining ability for yield and yield compenent traits in sunflower (Helianthus annuus L.)
U1  - 630 
PY  - 2010///
CY  - Dharwad
PB  - University of Agricultural Sciences
ER  -