16 



EXPERIMENT NO. 2. 



BORDEAUX MIXTURE AN1> PARIS GREEN. 



Formula: — 6 lbs. of Coppei" Sulphate dissolved in 16 gals, of water, to 

 which is added 4 lbs. of fresh lime slacked in 6 gallons of water. To this 

 mixture add Paris green in the proportion of 1 lb. to 500 gals. 



To test the efficacy of the above mixture combined with Paris 

 green, three large trees were selected that had blossomed abund- 

 antl}', and one-half of each tree was carefully treatpd. 



Several applications were made, beginning May 29lh, at intervals 

 of about two weeks, varying more or less with the condition of the 

 weather. 



In the following table are oiven the results : 



NAMES OF VARIETIES. 



Red Russet, 

 Red Russet, 

 Red Astrachan, 

 Red Astrachan, 

 Roxbury Russet, 

 Roxbury Russet, 



1-2 Sprayed, 

 1-2 Unsprayed, 

 1-2 Sprayed, 

 1-2 Unsprayed, 

 1-2 Sprayed, 

 1-2 Unsprayed, 



RESULTS. 



In this experiment no favoiable lesults were obtained, either in the 

 use of the Paris green or the Bordeaux mixture. This may be 

 due in part to the lateness in the season when the tests began, but it 

 is thought best to make record of the work for future reference and 

 comparison with the results of others. 



EXPERIMENT NO. 3. 



AMOUNT OF INJURY TO FOLIAGE BY DIFFERENT PERCENTAGES OF 

 PARIS GREEN. 



In the experiments of previous years much injury had been done 

 by the Paris green in burning the foliage. Similar reports were also 

 received from other stations and the following experiments were 

 instituted to determine, if possible, the quantity that might safely be 

 used. For this purpose seven trees were selected. 



No's 1, 2 and 3 of the variety known as Westfield-seek-no-further, 

 No's 4 and 5, R. I. Greening and No's 6 and 7, Natural Fruit. 



