I 



New York Agricultural Experiment Station. 



359 



PLAN OF TREATMENT OF EXPERIMENTAL ORCHARD. 



The spraying mixtures used in the experimental tests in this 

 orchard were (1) kerosene emulsion diluted with ten parts of 

 water; (2) Black Leaf 40 in the proportions of % pint of the 



w- 





PLAT C 



Plat A. — Sprays Applied: 

 April 29, kerosene emulsion for adult thrips 

 May 1, kerosene emulsion for adult thrips 

 May 11, " Black Leaf 40" with soap for larvae 



Plat B. — Sprats Applied : 

 April 28, " Black Leaf 40" with soap for adult thrips 

 April 29, " Black Leaf 40" and kerosene emulsion for adult thrips 

 May 1, " Black Leaf 40" and kerosene emulsion for adult thrips 

 May 10, " Black Leaf 40" with soap for larvae 

 May 12, " Black Leaf 40" with soap for larvae 



Plat C. — ^ Sprats Applied: 

 April 29, "Black Leaf 40" with soap for adult thrips 

 May 1, " Black Leaf 40" with soap for adult thrips 

 May 10, " Black Leaf 40" with soap for larvae 

 May 12, " Black Leaf 40" with soap for larvae 



PLATA 



* Indicates a check tree 



Fig. 5. — Diagram of the Hover Orchard, Showing Spraying Plats 



