ORCHARD SPRAYING EXPERIMENTS II. 3 



and straining it showed a density indicated in the table and 

 was used at the same dilution as the commercial solutions. 



Arsenate of lead was not added in any case until the time of 

 application. 



Table i. 





Treatment. 



Manufactured 



BY. 



|i 



u 



•73 g 

 3 K 



IS 



Amount Lead 

 Arsenate in 50 

 Gallons Water. 







First 

 applica- 

 tion. 



Second and 

 third ap- 

 plications. 



1 



Unsprayed 













2 



Lime-sulphur. . . 



Lime-sulphur. . . 



Lime-sulphur. . . 



Lime-sulphur . . . 



Lime-sulphur. . . 



' 'Sulfocide".. . . 

 Intensified Self 

 Boiled L i m e - 

 sulphur 



Boiled 1 i mi e - 

 sulphur 



Bordeaux mix- 

 ture 



Niagara Sprayer 

 Company 



B w k e r Insecti- 

 cide Company. . 



Sterling Chemical 

 Company 



Grasselli Chemical 

 Company 



Jas. A. Blanchard 

 Company 



B. G. Pratt Co 



34 



34 



31 



33 



32 

 40 





2 lbs 



2 lbs 



2 lbs 



2 lbs 



2 lbs 



2 lbs .• 



2 lbs 



2 lbs 



2 lbs 



2 lbs 



3 lbs. 



3 





3 lbs. 



4 





3 lbs. 



5 





3 lbs. 



6 





3 lbs. 



7 

 8 



i gal* 



10 lbs. lime, 



10 lbs. sulphur . . 



2i Ibs.lime 1 

 5 lbs. sulphur J t 



4 lbs. copper ] 



sulphate [ 



4 lbs. lime J 



3 lbs. copper] 



sulphate ^ 



3 lbs. lime J 



3 lbs. 



9 

 10 



Home made 



31 



3 lbs. 

 3 lbs. 



11 



Bordeaux mix- 

 ture 







3 lbs. 



^'> 









3 lbs. 

















* The third application of "Sulfocide" was 3-16 gallon to 50 gallons water, 

 t Boiled with a constant volume of 10 gallons water and used at same dilution as com- 

 mercial concentrates. 



Time of Application. 



Owing to the nature of the experiment, a hand pump outfit 

 was used. The applications, made with Mistry Jr. nozzles, 

 were exceedingly careful and thorough, and occurred on the 

 following dates : 



1st. When fruit buds began to show pink, May 13 to 16. 



2nd. After the petals fell, June 7 to 9. 



3rd. July 15 to 18."=^ 



* Bonus, W. W. loc. cit. pp. 53-55. 



