A NEW AND EFFECTIVE SPRA Y. 



6i 



Fig. 2248. Showing tree treated on one side ; appearance after development of curl in the spring. 



An all-around remedy. — The experience 

 with this mixture in the East is too limited 

 to justify speaking very definitely about it, 

 but as an all round remedy, insecticide and 

 fungicide, it promises so remarkably well 

 that we shall be pleased indeed to have as 

 many join us as are willing, in making 

 further experiments next April and report 

 the results. 



The proportions of the ingredients used 

 for this work may be varied to almost any 

 extent. A good pump will spray two pounds 

 of lime to the gallon of mixture, without 

 clogging, and, if the lime be good and pro- 

 perly slacked, there will be no settlings in 

 the barrel. In his experiment Dr. Howard 

 used thirty pounds of lime, twenty pounds 

 of sulphur and fifteen pounds of salt, in fifty 

 imperial gallons of mixture, which with our 

 lime makes a light covering. 



The proportions recommended from Cali- 

 fornia are thirty-five pounds of lime, fifteen 

 pounds of sulphur and fifteen pounds of salt, 

 in fifty imperial gallons of mixture, and the 

 California people suggest that a larger pro- 



portion of lime and sulphur than they use 

 might be advantageous in the East and also 

 that with them salt is not an essential. 



In our recent experiments to determine the 

 respective qualities of gray and white lime, 

 their behavior in the process of preparation, 

 application to the trees and subsequent dur- 

 ability, we made a large number of tests, in 

 some of which salt was omitted, ranging 

 from one-half pound to two pounds of lime 

 to the gallon of mixture. So far as we have 

 gone, white lime slacks stronger than the 

 gray, but no difficulty was experienced in 

 applying either. A wash, containing only 

 one-half pound of lime to the gallon of mix- 

 ture, makes a very light covering indeed ; 

 the sulphur remains exposed, is readily 

 wiped off by the finger and would likely be 

 removed by rain or even a high wind. A 

 wash, having two pounds of lime to the gal- 

 lon of mixture, makes a covering so thick 

 and heavy that it breaks and scales off, 

 when the trees are swayed by the wind. 

 After numerous tests, we have fixed upon 

 thirty-five pounds of lime, fifteen pounds of 



