SMrTHSONIAN INSTITUTION LIBRARIES 



18 



3 9088 01272 7947 



It may be placed in a wagon or cart or mounted on a sled. For large 

 commercial orchards the hand-power tank or gasoUno outfits arc 

 better. 



It is quite practicable, however, in case but two or three trees in 

 a yard are to be treated, to apply the wash to the limbs and branches 



Fig. 8.— Bucket spray pump suitable for use in yards. (Author's illustration. ) 



Fig. 9.— Knapsack sprayer suitable for spraying Fig. 10.— A barrel sprayer, suitable for orchard 

 low-growing plants. (Author's illustration.) or similar large-scale work. (.Vuthor's illus- 



tration.) 



by means of old cloths or brushes. Whale-oil soap is excellent for 

 this purpose. Severe ])runing of the trees is usually desirable in 

 such cases. 



Ap]>r()ved: 



Ja.mes Wilson, 



Secretary of AgrlcuUure. 

 W^ASHiNGTON, D. C, May 27, 1910. 



[Cir. ILM] 



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