TY  - BOOK
AU  - K Virupakshappa
AU  -  K Giriraj  Genetics and Plant Breeding
TI  - Hetrosis, combining ability and stability analysis in sunflower (Helianthus annuus L.) Over seasons
U1  - 630 
PY  - 1991///
CY  - Dharwad
PB  - University of Agricultural Sciences, Dharwad
ER  -