TY  - BOOK
AU  - Allard, R.W.
TI  - Principle of plant  breeding
U1  - 631.52 21st ed
PY  - 1960///
CY  - New York
PB  - John Wiley & sons
KW  - plan breeding
KW  - breeding for disease resistance
KW  - polyploidy in plant breeding
ER  -