370 



PEAR GROWING IN CALIFORNIA. 



FIG. 164. Young pears in proper condition for first 

 codling moth spray and third spray for scab. (Photo 

 by Claude Van Dyke.) 



the strength of the Bordeaux should be reduced to 15 pounds copper 

 sulphate and 20 pounds lime to 200 gallons of water. In sections where 

 thrips are troublesome it may be necessary to use nicotine sulphate in 

 combination with the first two scab treatments. 



152 



