00409nam a2200181Ia 4500008004000000041000800040082001200048100001200060245004700072260002800119650001500147650001000162650001400172650000700186650001300193650000800206700001300214210210b1962   xxu||||| |||| 00| 0 eng d  aeng  a580/128  aHAGBERG  aMutations and polyploidy in plant breeding  aLondonbHeinemannc1962  apolyploidy  aplant  aMutations  ain  abreeding  aand  aAKERBERG