3(')U EXPERIMENT STATION KECORD. 



No. 3-4, pp. 135-138). — Describes Exoascus deformans and quotes from another source 

 (E. S. R., 10, p. 557) that spraying with Bordeaux mixture greatly reduced the 

 amount of disease. 



The serious injury to svreet cherries in the Rhine Provinces, P. Sorauer 

 {Natum: Wrhnschr., 1.5 [IWO], X<>. 12, pp. 13S-1S.5). 



A bacterial disease of syringa, J. Ritzema-Bos ( Tijd.sclir. Plantenziekten, 5 

 {18D9), So. o-a,pj). 177-18-i) . — A disease of syringa which is attributed to bacteria is 

 described. Inoculation experiments were successfully made. The organism is said 

 to l)e closely related to Bacillus fluorescens liquefaciem; forms a yellow pigment on 

 bouillon gi'latiii, and gives a slight bluish florescence. 



Notes on the red rot of spruce, G. iStaes {Tijdsdir. Plantcuziiktni , .5 (1899), Xo. 

 ,5-6, pp. 183-192). — Notes the attack of Agaricus melleus and similar fungi on spruce 

 and firs. 



A disease of plane trees in Paris, A. Giard {Bui. Arbor icull. et Floricult., 1899, 

 pp. 356-359). 



An epidemic disease of the common alder ( Alnus glutinosa), P. Xypels (Bui. 

 Soc B,li/e Microti., -25 (1898-99), Xo. 8, pp. 95-1U4, j>l. 1). 



Combating pine leaf cast, Weber {Forstu\ f'cntbl., 21 (1899), Xo. 12, pp. 

 625-634)- — An account is given of experiments with Bordeaux mixture, and Bor- 

 deaux mixture with sugar and with gluten for the prevention of the leaf cast of 

 pines caused by Lophodermhnn pinastri. The use of the first fungicide was the most 

 successful. 



Combating some coffee parasites, G. d'Utra (Bol. Imt. Agr. Sao Paulo, 10 

 (1899), Xo. 11-12, pp. 778-795). 



Concerning black rot, A. Jaczewski ( Wesinik Winodelia, 1899, Xo. 3, pp. 139-145; 

 abs.in Cenihl. Bakt.u. Par., 2. Abt.,6 (1900), No. 8, pp. 263,264).— The form of black 

 rot in the Caucasus is said to differ materially from that occurring in France. The 

 parasitism of Phoma reniformis in the Caucasus is affirmed. Bordeaux mixture is 

 said to have proved the most efficient fungicide for use against black rot. 



Experiments in the treatment of black rot in 1899, J. B. Sendekens ( Vignc 

 Franc. , 1900, Xo. 1, pp. 7,8). 



Grape white rot, B. Barna (Bot. Centhl., 81 (1900), Xo. 10, pp. 331, 332).— ^oies 

 the occurrence of Charrinia diplodiella in Austro-Hungary. 



Combating grape mildevr or oidium, J. Schuster (Allg. Wien Ztg., 1900, Xo. 6, 

 pp. 52, 53). 



The true mildew (Oidium tuckeri), J. Morgenthaler (Aarau: E.Wirz, 1899, 

 jyp. 28; abs. in Centbl. Baki. u. Par., 2. Abt., 6 (1900), No. 5, p.' 157).— A number of 

 fungicides were tested with more or less success. A mixture of 1 kg. soft soap, 0.5 

 kg. potassium sulphid, and 100 liters water is recommended. Wister washing of 

 the vines with either of the following mixtures is advised: 10 kg. lime, 6 to 10 kg. 

 iron sulphate, 100 liters water; 10 to 15 per cent solution of iron sulphate; or 5 per 

 cent solution of sulphuric acid. 



Permanganate of potash for grape mildew, C. Truchot ( ]'igiie Amer. et Viti- 

 fult. Eurrq>c, 23 (1899), Xo. 10, p. 300). — Spraying vines with a mixture of 125 gm. 

 potassium permanganate, 3 kg. lime, and 100 liters water is recommended for 

 destroying oidium. 



Causes of the stunted growth of vines, J. Perraud {Prog. Agr. et Vit. (Ed. 

 L'Est), 21 (1900), Xo. 23, jip. 667-670). — The author discusses numerous causes for 

 the stunted growth of grapevines, among them being fungi, physiological disturb- 

 ances, ett;. 



Plant parasites of roses, F. Richter von Binnkxtii ai. {MUt. K. K. dartenbau 

 Gesell. Steicnnark, ]9(i0. Xo. 6, pp. 100-104). 



Soil fungicides for potato and turnip diseases, B. I). Hai-sted {New Jcrset) 



