TY - BOOK AU - C S Police Patil AU - S N Kadapa Department of Agricultural Botany TI - Hetrosis and gene action for earliness, yield and yield components in 20 X 30 crosses of Gossypium hirsutum L U1 - 633.51 PY - 1975/// CY - Dharwad PB - University of Agricultural Sciences, Dharwad ER -