49 



I had perfect Macintosh, Hass, and Tolman Sweet, but 

 AVealthy were badly russeted. Others used the same form- 

 ula on Baldwins with the best of results. We do not pro- 

 fess to be scientifically correct, but a life spent in the fruit 

 business gives one a broad field lor observations and for 

 knowledge not learned in schools. "We visit many other 

 fruit districts and find the fruit growers a whole-hearted 

 people, ready to impart information on the How and the 

 Why of their methods. 



If in this paper any points will be brought out that 

 will be helpful to anyone, then will my efforts not have 

 been in vain. 



An effort was made by your Secretary to obtain the 

 presence of Prof. W. M. Scott, Pathologist, Bureau of Plant 

 Industry, National Department of Agriculture, but as his 

 field work in the South would be begun by the present date 

 of our Annual Meeting, he was unable to come. However, 

 he very kindly sent the paper which follows and which bal- 

 ances up the program of the meeting. I am sure Prof. 

 Scott has a hearty vote of thanks for this courtesy. 



THE USE OF DILUTE LIME-SULFUR SOLUTION IN 

 THE SUMMER SPRAYING OF APPLE ORCHARDS 



PROF. AV. M. SCOTT 

 United States Department of Agriculture 



Bordeaux mixture has been the standard fungicide for 

 the control of apple diseases since spraying apple orchards 

 came into vogue. It has made profitable apple growing pos- 

 sible where it would otherwise have been a failure, and has 

 been the means of untold wealth to the commercial apple 

 growers of the country. It has formed practically the sole 

 remedy for apple scab, bitter-rot and various apple leaf 

 diseases, and has been universally used on grapes, potatoes 

 and other crops. In recent years, however, there has de- 

 veloped a very serious objection to the use of Bordeaux mix- 

 ture as a fungicide on apples owing to fhe injurious effect 

 it produces on both fruit and foliage. The fruit of many 

 varieties like the Ben Davis and Jonathan becomes russeted 

 and often dwarfed and distorted from the toxic action of 



