INSECTS OF THE PEAR 



263 



first spray should be supplied just as the buds begin to open 

 and the second just after the petals fall. Black Leaf 40 



Fig. 112. — The pear showing injury to the blossom clusters due to the work of 

 the thrips. (After Parrott, New York Agricultural Experiment Station.) 



at the rate of 1 pint to 100 gallons of water to which has 

 been added 5 pounds of soap is the proper spray material. 



