66 PATHOLOGY [Box. Absts., Vol. IX, 



441. Salmon, E. S., and H. Wormald. Prevention of "bunt" in wheat. Jour. Ministry 

 Agric. Great Britain 27: 1013-1021. 1921.— Field tests were conducted during 1919 and 1920 

 on the value of copper sulphate and formalin seed treatments for the control of "bunt," 

 Tilletia tritici, in vv^heat. The chief solutions used were copper sulphate 1 and 21 per cent 

 and formalin 1 : 320 and 1 : 240. These were sprinkled over the grain at the rate of 1 gallon to 

 2 bushels of grain, after which the copper sulphate treated grain was spread out at once to 

 dry and the formalin treated grain was placed in a heap and covered with sacks for 4 hours, 

 and finally spread out to dry. — The percentage of germination of the treated grain was only 

 slighth^ reduced when the above treatments were used, but in a few preliminary tests with 

 stronger solutions of copper sulphate, up to 5 per cent, the injury to germination was consid- 

 erable. Therefore the practice which is common in Britain of using 10 per cent copper sul- 

 phate solution for treatment should be discouraged. — The formalin treatments gave complete 

 control of "bunt" whereas the copper sulphate treatments were much less effective. Treat- 

 ment with formalin 1 :320 is recommended. — M. B. McKay. 



442. SosA, H. A. Como evitar las enfermedades en las plantas. [How to avoid plant dis- 

 eases.] Defensa Agric. [Uruguay] 1: 141-144. 1920. 



443. Sullivan, K. C. Plant inspection in Missouri. Missouri Agric. Exp. Sta. Circ. 

 101. 16 p. 1920. 



444. Thomas, R. C. Brown rot of peaches and its control. Monthly Bull. Ohio Agric. 

 Exp. Sta. 6: 2C-30. 1921. — Brown rot attacks jilums and peaches, beginning in May and con- 

 tinuing through the summer. Control measures are considered under 2 heads, (1) sanitary 

 precautions and (2) protective sprays. Lime-sulphur-glue spray was found to be very sat- 

 isfactory for the control of brown rot and other mid-season peach diseases. At the close of 

 the article a spray calendar for peach is given. — R. C. Thomas. 



445. Trtjjillo, Augustin. El Gidium y modo de combatirlo. [Oidium and the method 

 of combating it.] Defensa Agric. [Uruguay] 1: 120-121. 1920. — Powdery mildew of the 

 grape. — John A. Stevenson. 



446. Trxjjillo, AugtjstIxV. El Oidium y modo de combatirlo. [Treatment for Oidium.] 

 Defensa Agric. [Uruguaj'] 1: 141. 1920. — The writer advocates the use of sulphur or sulphur 

 compounds for powdery mildew {Oidium) of the grape. — John A. Stevenson. 



447. Vermorel, V., et E. Dantony. La defense de nos jardins contre les insectes et les 

 parasites. 13 X S2 cm., 232 p., 12 pi (colored). Progres Agricole et Viticole: Villefranche- 

 Montpellier, 1919 (?). — Small handbook for French growers, containing descriptions and illus- 

 trations of the principal insect pests and fungous diseases, with chapters on disease and insect 

 control. — D. Reddick. 



448. Voglino, p., e V. Bongini. Consigli pratici per 11 mese di Febbraio. [Control 

 measures recommended for the month of February.] Pubbl. Mens. R. Osservatorio Fito- 

 patol. Torino i9i9'-: 1. 1919. — The brown spot of cherry caused by Clasterosporium carpo- 

 philvrn, which was rather prevalent last year, may be checked by the application of 3 per cent 

 copper-lime paste on the trunk and branches. The same treatment may also be given for 

 gummosis of peach, apricot, and almond. Use of flowers of sulphur will prevent the de- 

 velopment of fungous diseases on hot-house plants. — Edith K. Cash. 



449. Voglino, P., e V. Bongim. Consigli pratici per il mese diGennaio. [Control measures 

 recommended for the month of January.] Pubbl. ?vlens. il. Osservatorio Fitopatol. Torino 

 1919': 1-2. 1919. — Spraying peach trees with a 5 per cent solution of ferrous sulphate 

 or 3 per cent copper sulphate and lime is advised as a preventive against leaf curl {Exoascus 

 deformans) and mildew {Sphaerotheca pannosa). Stored tubers should be spread out and 

 aired to guard against molds. — Edith K. Cash. 



