TY - BOOK AU - K.G. Jayaprakash AU - R.L. Ravikumar Department of Genetics and Plant Breeding TI - Evaluation of S2 progenies derived from base and improved populations for alternaria leaf blight resistance in sunflower (Helian U1 - 630 PY - 2006/// CY - Dharwad PB - University of Agricultural Sciences ER -