316 ANNUAL REPORT OF THE Off. Doc. 



never had a potato fail that has been thoroughly sprayed that has 

 been affected by blight, either early or late. You can depend upon 

 it that by using the Bordeaux Mixture No. 1 or the arsenite spray- 

 ing, if you commence in time, to effectually prevent it. I commence 

 spraying mine just as soon as you can see them; if you wish to pre- 

 vent the blight, that is the time you must commence, before the 

 spores are established on the plants. 



MR. THURSTON: I would like to inquire if you have ever sprayed 

 for the oyster shell bark louse? 



DR. FUNK: I have never sprayed for the oyster shell bark louse 

 with the lime, sulphur and salt, but I have sprayed for the San Jose' 

 Scale and I would consider the one just as hard to destroy as the 

 other. 



MR. JOHNSTON: Will Dr. Funk tell us what power he uses on 

 his sprayer to give a uniform pressure of 120 pounds to the square 

 inch? 



DR. FUNK: I use a little gas apparatus; it is carbonic acid gas 

 put into tubes, holding fifty pounds of the liquid. It is put in 

 under a pressure of 1,800 to 2,000 pounds to the inch which con- 

 denses it into a liquid. 



MR. SCHWARZ: Where do you obtain your power? 



DR. FUNK: We own the tubes and send those tubes to Philadel- 

 phia to the Carbon-dioxide Company to be charged. 



A Member: What is the size of the tube? 



DR. FUNK: A 50 pound tube. 



MR. BRINTON: How soon after planting should an apple orchard 

 be sprayed? 



DR. FUNK: I claim that all trees should be sprayed with lime, 

 sulphur and salt. It will keep off all lichens, as I had illustrated 

 this spring quite distinctly, in spraying some thirty acres in the 

 spring of the year with lime, sulphur and salt. We cannot entirely 

 rely upon the Bordeaux mixture. 



Questions relating to poultry answered by Mr. Orr. 



A Member: How do the Orpingtons compare with the Plymouth 

 Rocks? 



MR. ORR: They are from half a pound to a pound larger than the 

 Plymouth Rocks and they develop quicker either into broilers or 

 roasters or egg producers. As to egg production they are about the 

 same, as to size or number of eggs; as to total qualities, I have al- 

 ways esteemed the Wyandottes better than the Plymouth Rocks, 

 and the Orpingtons are better than the Wyandottes. I spoke to you 



