t 



* 



(59) 



Schaffnit, E, und Voss, G, Versuche zur Bekiiinpfung des Kartoffelkrebses im Jahrc 

 1915. (Zeitschr. f. Pflanzenkrldi. XXVI [1916], p. 183—192.) 



Schikorra, W, Der Kartoffelschorf und seine Rekainpfung. (IHustr. T.andw. Ztg. 

 XXXVl [1916J. p. 217—218, 2 Fig.) 



r 



Schonborn, G. Der haBliche Mehltau auf dem schonen Rittersporn. (Prakt. Ratgeb. 



i. Obst- n. Gartenb. XXXI [1916], p. 236—237.) 

 Schullz, Eugene S. Silver-Scurf of the Irish Potato caused by Spondylocladium 



atrovirens. (Journ. Agric. Research, Washington Vol. VI [1916], p. 339--350. 

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Scott, W. M. Fighting orchard insects and diseases. {Am. Fruit-Grower Tl [1916], 

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Sembdner, Johannes. Gelbsucht und Krauselkrankheit an Pfirsichspaheren. (Mdller's 

 Deutsche Gartnerztg. XXXI [1916], p. 333—334.) 



— Zur Frage der Knauelkrankheit der Kohlgewachse, {Moller's Deutsche Gartner- 

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Serbinov, J. L. On the ethiology of Stippigkeit. (Zhur. Boliezni Rast. No. 2—3 

 [1914], p. 51 et Mat. Mikol. i Fitopatol. Ross. I [1915], p. 75.) 



— White and brown fruit spot of pear. (Ibidem No. 4—5 [1914], p. 123 et Mat. Mikol. 

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Severin, H, P. and H. C, Life historj', natural enemies and the poisoned bait spray 

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Sharpies, A. A disease of cinnamom. {Agric. Bull. Fed. Malay States III [1915], 

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— Host plants of pink disease in Malaya. (Agric Bull. Fed. Malay States III [1915], 

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Shaw, H. B. The sugar beet nematode and its control. (Sugar XVII [1915], No. 2, 

 p. 31—35. 6 Figs.; No. 3. p. 56—60, 1 Fig.; No. 4, p. 58—61; Nr. 5, p. 5&— 63. 

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Sicard, L, Untersuchungen iiber die Zusammensetzung und Herstellung der Kupfer- 

 kalkbriihe. (Annales de I'ecole nationale d'agriculture de MontpeUier N. S. XIV 

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Slmone, F. P. Hylobius abietis und seine Bekampfung nach Beobachtungen in der 

 Provinz Orel in RuBland. (Liesnoj Journal [Forstwirtsch. Rundschau] XLV 

 [Petersburg 1915], p. 1080—1085.) — Nach Intern. Agrar. Techn. Rundschau VII 

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Simpson, S. and Small, W. Coffee leaf disease (Hemileia vastatrix) in Uganda. (Pro- 

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Small, W, Annual Report of the Government Botanist for 1914 — 15. (Ann. Rept. 

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Smith, C. 0. Cottony rot of lemons in California. (Phytopathology VI [1916], 

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— Cottony rot of lemons in CaUfomia. (Calif. Agric. Expt. Stat. Bull. No. 265 [1916], 

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— • Preliminary studies on the resistance of Prunus to artificial inoculation with 

 Bacterium tumefaciens. (Phytopathology VI [1916], p. 186—194, PI. VI.) 



Smith, Erwin F. Further evidence as to the relation between croun-gall and canker. 

 (Proceed, Nation. Acad. Sci. Washington Vol. II [1916], p. 444—448.) 



