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43. Harland, S. New polyploids in coiion h\ the use of colchicine. 1 rop. Agr. 

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44. HosoDA, T. Fertility of cokhicine-induced amphidiploids between Brassica and 

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49. Inoue, S. a method for measuring small retardations of structure in li\ing 

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50. Iwasa, S. On the artifuiallv raised abc trigcnomic triploid and hcxaploid species 

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52. Jakob, K. The cytogenetics of some h\i)rids and allopolyploiti in the genus 

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58. , AND Lilienfeld, F. a new synthesized 6\ wlieal. Herediias. Suppl. Vol. 



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60. KosTOFF, D. Nicotine and citric acid content in the progeny of the allopoly- 

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