4S8 Important Orchard Pests and Stray Formulae. 



2. After leaf buds open, but before blossoms open, i. e. when 

 just beginning to show some pink. Watch weather and get 

 spray on before rain, not after, 

 (a.) Lime-sulphur solution 02° Beaume, 1-40, or bordeaux, 



3-4-50, for apple scab (the fungus). 

 (&) Arsenate of lead, 2-3 pounds to 50 gallons; added to 

 lime-sulphur or bordeaux, as a poison for bud moth, 

 cigar case bearer, canker worm. 

 This application should never be omitted during cold, 

 rainy seasons. 

 3. After petals have fallen. Have spray on before rains come. 

 This is important. 



(a) Lime-sulphur, 32° Beaume, 1-40, or bordeaux, 3-4-50, 



for apple scab and leaf spot. 



(b) Arsenate of lead, 2-3 pounds to 50 gallons, used with 



lime-sulphur or bordeaux, for codling moth, canker 

 worm, bud moth. 

 This is the most important of all the applications for 

 control of apple scab and codling moth. 



4. Ten days to two weeks later. Before rain period. 



(a) Lime-sulphur, 32° Beaume, 1-40, or bordeaux, 3-4—50, 



for apple scab and leaf spot. 

 (6) Arsenate of lead, 2-3 pounds to 50 gallons, used with 



lime-sulphur or bordeaux for codling moth and 



canker worm. 



5. Eight to nine weeks after blossoms fall. Same as 4 for 



late scab infections and late attacks of codling moth. In 

 most seasons this application is not necessary. 

 If aphis appears, spray before leaves curl with whale oil soap, 

 1 pound to 6 gallons, or kerosene emulsion diluted with 

 6 parts of water, or use one of the tobacco extracts. 



GENERAL PLAN FOR PEACH SPRAYING* 



1. Dormant season before the leaf bud- begin to swell. 



(a) If scale is not to be combated, spray with lime-sulphur, 

 32° Beaume, 1-15, or bordeaux, i— 1-50, or copper 



* From United States Department of Agriculture, Bureau of Entomology, 

 Circular 120. 



