85 MINNESOTA STATE HORTICULTURAL SOCIETY. 



with plum pocket. I think it has been quite clearly demonstrated 

 in a small way that spraying with a thick Bordeaux mixture, spray- 

 ing the twigs of the plum trees at least two weeks before the buds 

 start into growth, and covering them well, will prevent plum 

 pocket. That remedy has been shown to completely control the 

 curl in the peach leaf, which is the same disease in a little dififerent 

 form. Prof. Pierce, who has done more in that line than any- 

 body else, told me five years ago that he wanted a chance to ex- 

 periment with plum pocket, and he believed he would succeed. 

 This year there have been a number of experiments made and 

 every one in an orchard that was badly infested with the pocket 

 and in a number of cases where the treatment was carefully car- 

 ried out the result has been very successful. 



Mr. E. R. Pond : I would like to get the formula for that Bor- 

 deaux mixture? 



Prof. Green: It is just the same as the ordinary formula, in- 

 stead that you use only half the quantity; that is, instead of 5-5-50 

 you make it 5-5-25. I would like to see that well recommended 

 throughout the state. I believe it is well worth a thorough trial. 



Mr. C. E. Older : I tried it last year with great success. Plum 

 pocket bothered us a great deal the year before, and Prof. Wash- 

 burn recommended that we give it a thorough wash, which we did, 

 and we had no plum pocket. 



Mr. W. L. Taylor: I would like to ask Prof. Green what kind 

 of spray pump he considers the most satisfactory? 



Prof. Green : I do not know myself. There are quite a num- 

 ber of them. I do not care to get up here and recommend any 

 special brand. The best makes of spray pumps, are those in which 

 the working parts are made of brass, those parts that come in con- 

 tact with the Bordeaux mixture, and with a good nozzle, a Ver- 

 morel nozzle, you get good results. You should have the buds well 

 covered with the mixture : 



Mr. Carbine (Ore.) : I would like to ask a question in regard 

 to top-working the trees. I read an article in a Missouri horticul- 

 tural paper in which some one recommended setting scions all over 

 the small limbs — some trees have over one hundred buds on each 

 tree. I would like to ask whether anybody has had experience in 

 that direction and whether it was successful. 



The President : The gentleman would like to know whether 

 anybody has had good success in top-working an apple tree all over 

 the tree. 



Mr. Dewain Cook : I have had a little experience and a large 

 tree will carry it all right, but when you graft on a little tree ther«5 

 is not vigor enough to carry it through. It will do very well on 

 the outside limbs, but on the weak inside limbs I do not think it is 

 advisable. Those grafts were dwarfed and were practically worth- 

 less. 



