000 003600000a22001450004500
060 _a100
082 _a631.53 SIN
100 _aSingh, B D
245 _aPlant breeding: principles and practices
260 _aNewdelhi, Kalyani Publishers
260 _c1983
300 _a507
650 _aPlant breeding/heterosis/polyploidy-plant breeding
942 _cBK
999 _c212583
_d212583