003540000a22001330004500060000800000082001500008100002600023100002500049245003600074260003100110260000900141300000800150650006200158  a100  a631.53 CHA  aChandrasekharan, S.N.  aParathasarathy, S.V.  aCytogenetics and plant breeding  aMadras, P Varadachary & Co  c1960  a639  aCytogenetics/ plant breeding/ polyploidy - plant breeding