00843cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040004900111042001200160050001600172082001500188110007200203245006000275260005200335300002300387500009100410504002800501650002000529650002500549999001500574agr38000521 DLC20260227110957.0800626s1936    enk      b    000 0 eng c  aagr38000521   a(OCoLC)6461374  aU.S. Dept. of Agr. LibrarycTxCMdOCoLCdDLC  apremarc00aSB123b.C48  a016.6315222 aCommonwealth Bureau of Plant Breeding and Genetics, Cambridge, Eng.14aThe experimental production of haploids and polyploids.  aCambridge, Eng.,bSchool of Agriculturec[1936]  a27, [1] p.c25 cm.  aAt head of title: Imperial bureau of plant genetics (for crops other than herbage) ...  aBibliography: p. 17-26. 0aPlant breeding. 0aPlant hybridization.  c9887d9887