12 STATE HORTICULTURAL SOCIETY. 



good and the quality of the jirodiict so good, we were more pleased than 

 I can tell you with the effect of the Lime-Sulphur as a fungicide. 



We started out to test the Lime-Sulphur on the ])each, comparing 

 Lime-Sulphur and Bordeaux for the control of the black spot. As the 

 black spot or scab was not found in any of the trees in the orchard we 

 had nothing to show comparative results. All we leanied was that 

 Lime-Sulphur at one to fifty did not injure the foliage in the least. 



In general I believe that one to forty is a good strength for the sum- 

 mer spraying of Lime-Sulphur on apples and pears. One to fifty is a, good 

 strength for plums and peaches. 



Where a man wants to make his own Lime-Sulphur, I find good results 

 in making up the following formula: 15 lbs. Sulphur, 8 lbs. Lime, 50 

 gals. Water; or ISO lbs. Sulphur, 90 lbs. Lime for a 50 gal. barrel of 

 Concentrated Mixture. Some stations recommend 125 lbs. Sulphur to 

 50 lbs. Lime, but I hardly think that is strong enough; but making it 

 180 lbs. Sulphur to 90 lbs. Lime and boiling an hour, you will get a 

 mixture that will do the best Avork. As to whether it will be chemically 

 right or not I can not say but I know that the above formula will give 

 good results when given field tests for either summer or winter spray- 

 ing. . 



I will now leave the matter open for discussion with the hope that 

 we can all get some good out of it. 



DISCUSSION. 



Q. Did you notice any damage to the foliage, whether sprayed by 

 Bordeaux or Lime-Sulphur? Was the foliage of the Lime-Sulphur- 

 sprayed trees as good as that of the Bordeaux? 



Mr, Wilken — There was not very much difference. Sometimes trees 

 sprayed with Bordeaux have a darker green color. The Bordeaux be- 

 ing of a bluish tint when put on the green of the apple foliage has a 

 tendency to make a deeper green. Lime-Sulphur on the other hand being 

 a yellow transparent color, will leave a, yellowish tinge. But if the 

 spray is washed off in either case the foliage will be the natural color. 

 I think the Lime-Sulphur will leave a more healthy color than the Bor- 

 deaux as it has a stimulating effect that the Bordeaux has not. 



Q. r>o you recommend Sulphur for the mildew and black rot on 

 grapes? 



Mr. Wilken— We have not fully tested the Lime-Sulphur as far as 

 grapes are concerned. We did not have a vei'y good crop this year, 

 but I believe that the tests carried on at Lawton showed that it Avas 

 valuable for that purpose. 



Q. What is the difference in the test between the 180 lb. Sulphur and 

 90 lbs. Lime and the 125 lbs. Sulphur and G5 lbs, Lime--did you test 

 the difference betAveen them in your Concentrated Solution? 



Mr. Wilken — Do you mean the results? 



Q. No, the hydrometer test, 



Mr. Wilken — I did not use the 125. 



Q. I believe our State Board recommends 125 lbs. Sulphur, 65 lbs. 

 Lime. In my boiling I use the State Bulletin formula and that is 125 

 lbs. Sulphur and 65 lbs. Lime and mine always tested 30, and this that 

 Ave buy, the commercial products, tested 34. I wondered if your 180 

 lbs. did not bring it to your higher test. 



