136 



STATE BOARD OF AGRICULTURE. 



REPORT OF INSECTICIDE AND FUNGICIDE INSPECTION. 



Andrew J. Patten and Percy O'Meara. 



To the State Board of Agriculture: 



During the year 1919, 74 samples of insecticide and fungicides have 

 been collected and analyzed. The results are presented herewith. 



lime-sulphur solutions and substitutes. 



Six samples of lime-sulphur solution and a like number of the dry 

 compound of lime and sulphur were collected. One sample of sodium 

 sulfide solution and two of dry sodium sulfide also one sample of barium 

 sulfide ("B T S") were analyzed. The results of analysis are given in the 

 following tables. Attention is called to the last column in the table where is 

 given the amount of calcium polysulfide equivalent to the total sulfide 

 sulphur found. This affords a convenient means of comparing the prob- 

 able efficiency of the various samples. 



LIME SULPHUR COMPOUNDS. 

 —SOLUTIONS- 



No. 



434 



449 

 460 

 468 

 470 

 471 



Manufacturer. 



Dow Chemical Co., Midland, Mich ._ 



Imperial Chemical Co., Grand Rapids, Mich. . . , 



San-O-Cide Spray Co., Fennville, Mich 



South Haven Chemical Co., South Haven, Mich 



T. VV. Daly, Sister Lake, Mich 



Grasselli Chemical Co., Cleveland Ohio 



Baumc 



Found. 



32.50 



32.5 



33.0 



32.5 



30.0 



32.5 



(tuar- 

 anteed. 



33 



32 

 32 



33 



Total Sulphur. 



Found. 



25.05 

 25.03 

 25.95 

 24.38 

 18.53 

 24.82 



Guar- 

 anteed. 



% 



25.0 

 23.0 

 25.0 

 25.0 



25.0 



Calcium 

 Polysul- 

 fide. 



29.96 

 30.05 

 31.10 

 29.86 

 19.81 

 30 26 



DRY PREPARATIONS. 



447 

 452 

 451 

 461 

 808 

 803 



Detroit White Lead Works, Detroit, Mich. 

 Detroit White Lead Works, Detroit, Mich. 

 Sherwin-Williams Co., Cleveland, Ohio. . . 

 Sherwin-Williams Co., Cleveland, Ohio . . . 

 Sherwin-Williams Co., Cleveland, Ohio. . . 

 Dow Chemical Co., Midland, Mich 



58.07 

 50.46 

 56.35 

 57.22 

 61.04 

 62.76 



67.37 

 55. 50 

 62.06 

 62.37 

 69 06 

 67.31 



SOLUBLE SULPHUR COMPOUNDS OTHER THAN LIME-SULPHUR. 



No. 



199 

 446 

 462 

 801 



Name and Manufacturer. 



Sulfocidi^B. G. Pratt Co., New York City 



Soluble Sulphur Compound, Niagara Sprayer Co., Middleport, N. Y. 

 Soluble Sulphur Compound, Niagara Sprayer Co., Middleport, N. Y. . 

 B. T.S.— General Chemical Co., New York, N.Y 



Baume. 



Found. 



41 



Guar- 

 anteed. 



Total. 



Found. 



30 94 

 58.04 

 55.13 

 42.16 



Sulphur. 



Guar- 

 anteed. 



30 



Calcium. 

 Polysul- 

 fide 

 Equiva- 

 lent. 



36 34 

 63.75 

 49.14 

 47.63 



