Spray Calendar. 



73 



SPRAY CALENDAR. 



Apples. 



Apple scab 



Bitter rot 



First application 



Subsequent applications 



•Codlin moth 



Scale - 

 Aphis_ 



Use spray No. 9 before buds swell 



This disease may be treated in essen- 

 tially the same \vay as scab. As the 

 bitter-rot fungus often continues its 

 destructive work after the fruit is har- 

 vested, care should be taken in stor- 

 ing to remove all truit showing evi- 

 dence of the disease. 



U.se No. 1 or No. 2 one week after 

 soms fall. 



blos- 



Apple canker or dead 

 spot 



Collar rot or mush- 

 room disease 



Cherries. 

 Aphis 



Cherry slug 



Use No. 4 or No. 5 when trees are dor- 

 mant. 



Use No. 6 as soon as eggs hatch 



Gummosis 



Pears. 



Cut all dead and diseased tissue, clean 

 and wash with bordeaux mixture. 



Dig a trench around the tree, cutling oflf 

 all roots, as the disease is communi- 

 cated from tree to tree through the 

 roots ; destroy all attected trees. 



When aphis appear use syiray No. 6. 



When fruit has set, if slug appears, dust 

 leaves M'ith air-slacked lime. 



Cut out gum pockets, split outer Dark 

 from roots to branches when sap be- 

 gins to How; wash with bordeaux mix- 

 ture. 



•Scale, codling moth, 



and scab 1 Use same spra.ys as for apple. 



Leaf blight ] Use spray No. is. 



Peaches. 

 Curl leaf Bpray with No. 



before buds open_ 



Raspberries, Blackber- 

 ries, Deiuberries. 



Use No. 8 as buds begin swelling. 



Rust and anthracnose-l Use either No. 12 or No. 13 just before 



blossoms open. 



Use spray No. 8 when 

 buds are swelling. 



Repeat at intervals of 

 two weeks, up to 

 within three weeks 

 of harvest. 



Use No. 6 whenever 

 aphis appear on fo- 

 liage. 



Spray with No. 8 after 

 blossoms fall. 



Note.— Bordeaux mixture is a sovereign preventive for all fungus growths, using 

 the modified form when trees are in foliage. 



Note.— Lime should always be fresh slacked and the combined fungicide and insecti- 

 cide sprays should be used soon after making. 



