TY  - BOOK
AU  - Mayo, O
TI  - Theory of Plant breeding
U1  - 575:631.52 
PY  - 1980///
CY  - Oxford
PB  - Clarendon
KW  - Gemplasm conservation
KW  - Heterosis
KW  - Plant breeding
KW  - Somatic Cell Genetics
ER  -