260 



LESSONS IN AGRICULTURE 



diseases as apple scab, "frog eye" fungus, brown rots, 

 etc., and the lead arsenate kills the "apple worm," 

 leaf-eating caterpillars, and other chewing insects. 

 Ready prepared lime-sulphur solutions may be pur- 

 chased from reliable firms for between 10 and 20 cents 

 a gallon, and a gallon and one-half diluted to about 



Fio. 77. SPRAYING A FRUIT TREE 



fifty gallons with water, will spray about ten average 

 sized bearing apple trees. To this mixture should be 

 added about three pounds of lead arsenate, to be used 

 against the codling moth. (See Lesson 12 for making 

 of Bordeaux Mixture.) 



