Index. 



Professor Dr. W. Johannsen, Copenhagen: Opening of the Congress 3 — 4 



Director Dorph-Petersen, Copenhagen: Adresses the Congress 4 — 13 



(Delegates of the different countries, the Danish State Seed Testing Station, 



"the automatic control"). 

 Election of the President ; . . . . 13 



Meeting June 6 13—32 



Director Bruijning., Wageningen: "General views concerning the international 

 unification of methods of testing seeds in the interest of trade, more especially 

 with regard to the purity of seeds" 13 — 2S 



Discussion 26 — 32 



Meeting June 7 32—68 



Dr. Volkart, Zurich: "The determination of the origin of agricultural seeds''. 32—43 



Discussion 43 — 4? 



Sir Lawrence Weaver, London: "The Sgeds Act 1920 and the National 



Institute of Agricultursil Botany" 49 — 58 



Director Saunders, London: "Seed Testing in the United Kingdom" 58 — 62 



Dr. Brown, Washington: "Seed Testing in the United States of America" (Read 



hy Mrs. Kalpin Eavn) '. 62—65 



Mr. Clark, Canada: "Seed Testing and Seed Control in Canada" 66—68 



Discussion -. 68 



Excursions 68 



Meeting June 8 68—76 



Director Dorph-Petersen, Copenhagen: "Remarks on the Investigations of 



the Purity of Strain and Freedom from Disease of Seed" 69 — 73 



Discussion 73 — 76 



Excursions • 76 



Meeting June 9 76-116 



Report of the Results of the seed, analyses carried out hy 22 — 24 stations in 



order to investigate the conformity of the results of seed analyses 77 — 83 



Professor Dr. A. Voigt, Hamhurg: "The Present State of Methods of Germinating 



Tests" 76-86 



Professor Dr. A. Voigt, Hamhurg: "General directions for germination tests" . 86—88 



Director Widfin, 0rehrd: "The Germination of Cereals" 88—92 



Ing. Komers, Wien: "The Testing and Valuation of Beet Seeds" (read by 



Professor Voigt) - 92—106 



Dr. Vitek, Prag: "The Testing of Dodder Seeds" 106—107 



Dr. V. Degen, Budapest: "Remarks on Dodder Seeds" 108—109^ 



Director Bussard, Paris: "The Measures Taken in France to exterminate 



Dodder Plants" • 109—111 



Discussion on Dodder 111—112 



Discussion on the Germination of Cereals 113—116 



Meeting June 10 • 116-127 



Discussion on Professor Dr. A. Voigt's "General directions for germination tests" 



(Page 86-88) 116—119 



Dr. V. Degen, Budapest, and Professor Schribaux, Paris; "Proposition con- 

 cerning the methods allowed for determining the errors in seed testing for 



collecting the material to fix the latitudes to be allowed" 120—121 



Discussion on the Issue of the Report 121—122 



Determination of the next meeting of the Congress (London 1924) 122—123 



Discussion on International Collaboration , 123 — 126 



■ Excursions ' 126 



Close of the Congress 127. 



