ONE-SPRAY METHOD FOR CODLING MOTH, ETC. 99 



Both sprayed plats received four applications in all, the first 

 before blooming, but after cluster buds had opened, to protect the 

 fruit from apple scab. Plat II received arsenate of lead at the rate 

 of 2 pounds to 50 gallons of lime-sulphur for each application. Plat 

 VII, the one-spray plat, received the arsenate-of-lcad treatment 



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Fig. 25.— Diagram showing arrangement of plats and trees in the F. C. Bancroft orchard, near Camden, 

 Del.: S, Stayman; J, Jonathan; (.), Mixed varieties used as fillers. Count trees are indicated by circles, 

 I he numbers agreeing with those in the tables. (Original.) 



only for the second application, which was made immediately after 

 the falling of the petals. Both plats were thoroughly sprayed but 

 not drenched, except at the time of the second application, when the 

 one-spray plat was drenched, for which purpose Bordeaux nozzles 

 were used, the demonstration plat being sprayed as usual with mist 

 nozzles. Plat VIII was left unsprayed throughout. 



