116 SEVENTEENTH REPORT. 



4. ^^■llile it is <ic'iR'ially recognized lluit the old hill sysieiu Avhei'.' 

 the vines are left to spread is not effective, yet the growers should 

 he advised against allowing the vines to mat and form dense chis- 

 tei*s not more than 2 or 3 feet wide. While adhering to the drill 

 system it is necessary that the rows be ample in width and when 

 the scab begins to appear the uew growth should be allowed to 

 run slightly out into the row and not turned back into the dense 

 mass. 



5. I'robably no other factor so demonstrates the superiority of 

 drained soil over undrained for ])ickles. 



6. The only specific, effective weapon, aside from those above, 

 is the increase in the number of sprayings. These sprayings should 

 be effectively coordinated with the weather conditions. 



LITERATURE. 



Aderhold, R. Cladosporium und Sporidesmium auf Gurke und 

 Kurbis. Zeitschrift ftir Pflanzenkrankheiten. VI. pp. 72-74. 180G. 



Arthur, J. C. A New Disease of Cucumbers, New York Agri- 

 cultural Experiment Station Report No. 6, p. 316. 1888. 



Arthur, J. C. Spotting of Cucumbers and Peaches. Indiana 

 Agricultural Experiment Station Bulletin No. 1!^), pp. 8-10, figs. 

 3 5. 1889. 



Burrill, T. J. Bitter Rot of Apples. University of Illinois Agri- 

 cultural Experiment Station. Bulletin No. .118, p. 569. 1907. 



Chester. F. C. The Spotting of Peaches. Delaware Agricul- 

 tural Experiment Station Report No. 8, pp. 60-63. figs. 3-6. 1896. 



Fawcett. H. S. Scaly Bark of Citrus. Florida Agricultural Ex- 

 periment Station. Bulletin 106, pp. 1-41. figs. 10-31. 



Frank, A. B. Uber ein parasitisches Cladosporium auf Giirken. 

 Zeitschrift fiir Pflanzenkrankheiten. Ill, p. 30. 1893. 



Humphrey, J. E. Leaf Blight of Cucumbers. Annual Rejjort of 

 Massachusetts Agricultural Experiment Station No. 10. ]»p. 227- 

 229. PU. IV. 1892. 



Massee. G. Diseases of Cultivated Plants and Trees. ])p. 470471. 

 fig. l',0. 1913. 



Swingle. W. T. and Webber, IT. J. Unifed States Department of 

 Agriculture, Division of Plant Pathology and Vegetable Physiolog3\ 

 Bulletin No. 8, pp. 20-24. 1896. 



Wallace, Errett, and Blodgett, F. M. and Hesler, L. R. Agricul- 

 tural Experiment Station of the Cillage of Agriculture, Cornell 

 University. Studies of tlie Fungicidal Value of Lime-Sulfur Prep- 

 arations. Bulletin 290, 167-174. figs. 79-8.9. 1911. 



