403a VON THUMEN, F.— Die Phoma-krankheit der Wein- 

 reben verursacht durch die parasitischen Pilze 

 Phoma vitis und Phoma Cookei. 



The author has used most successfully a ten per cent solution 

 of S. of I. for the destruction of the two fungi Phoma vitis 

 and Phoma Cookei. 



404 TOEPFFER, J. — Die fahrbaren Spritzen und die Vertil- 



gung des Hederichs durch Eisenvitriol. 



Deut. Landw. Presse, Bd. 30, (1903), S. 291. 



405 TOME, C. — II solfato di ferro e la clorosi. 



L'ltalia agricola, Bd. XXIV, (1892), pp. 375-6. 

 Ztschr. Pflanzenkrank. (1894), S. 164. 



By the repeated watering of the soil with 8-10 per cent solutions, 

 succeeded in curing chlorosis of pear tree as well as garden 

 plants. Recommends distributing powdered S. of I. on manure 

 heap to kill the worms and bind the ammonia. 



To prevent anthracnose, recommends the application of a 35 

 per cent solution as a wash. 



406 TONKS, E— Artificial Manure (1887), p. 14. 



407 TORD, M. — Experiences sur la chlorose de la vigne. 



Jour. Agricole (Paris), (1887), p. 900. 



Successfully used a 10-12 per cent solutions S. of I. poured 



around the stock of affected vines. 



408 TREBOUX, O.— Einige stoffliche Einflusse auf die 



Kohlensaureassimilation bei submersen Pflanzen. 



Flora Bd. 92, S. 59-60-70. 



Particularly to be remarked is the fact that the iron salts (Sul- 

 phate of Iron and chloride of iron), in not too weak concentra- 

 tion, are a help to assimilation. 



409 TRIBOULET, ROMMANTIN & ST. QUENTIN.— (De- 



struction of Wild Mustard.) 



Bui. Soc. Nat. Agr. France, 64 (1904), No. 6, pp. 461-66. 

 Used S. of I. and Sulphate of Copper in powdered form. 



409a TROUESSART,( ).— Microbes, Ferments, and Moulds. 

 English edition, p. 38. 



Mme. Ponsort quoted as using a mixture of four parts Sul- 

 phate of Iron and twenty parts of lime as a wash for grape 

 vines a fortnight before the shoots start. 



