ENEMIES or PLAMTS 



3il 



brownish seal), often clistortinL;' the shape. It 

 does the most damag'e just at tlie time of blos- 

 soming^, and the formin;^' apples drop oft. It 

 may be largely prevented by spraying- with Bor- 



FIG.I27. — APPLE SCAB. 

 (After Ladenian.) 



deaiix mixture several times in the spring just 



before the l^lossoms open, and afterward at 



intervals of two weeks. 



Let students spray an apple-tree for Apple Scab and 

 codling moth by combining Paris green (one-quarter 

 pound to 50 gallons of water) and Bordeaux mixture.* 



II. Fungicides. t 



( I ) The best spray for general use as a fungi- 

 cide is, without doubt, the Bordeaux iiiixiiirc. 



FORMILA K(iR LIQUId BORDEAUX. 



Copper sulphate 3 to ^ pounds 



Quicklime 3 t" 6 pounds 



Water 5° gallons 



*See Bulletin 114, Illinois Experiment Station. 



f For Mildew on roses, etc.. Flowers of Sulphur mixed with 

 one-third of its volume of Slaked Lime dusted on the foliage 

 is beneficial. 



