1012 ANNUAL REPORT OF THE Off. Doc. 



Grape. 



ROSE BUG: 



1. Collect the insects by hand. 2. Bag the forming bunches of 

 grapes. See Keport of Department for 1898. 



GRAPE VINE FLEE BEETLE t 



I. Spray with Paris green or Arsenate of Lead as soon as seen. 

 2. Repeat every week if necessary. 



GRAPE VINE LEAF HOPPER: 



1. Dust the vines with insect powder or tobacco dust about the 

 first of July. 2. Repeat one week later if necessary. 



ANTHRACNOSE: 



1. Brush the vines over with Sulphate of Iron and Sulphuric Acid 

 solution before the buds open. 2. Repeat three or four days 

 later. Do not use after the vines start growing. 



DOWNY MILDEW, POWDERLY MILDEW: 



1. Bordeaux mixture when leaves are fully opened. 2. Repeat 

 about ten daj'S before the lowers open. 3. Spray with jjotas- 

 slum sulphide solution three weeks later if necessarj-. 



BLACK ROT: 



1. Bordeaux mixture as the buds open. 2. Repeat every two 

 weeks if needed, till fruit is half grown; then use ammoniacal 

 copper carbonate, repeating every week or two if necessary. 



RIPE ROT: 



1. vSarae treatment as 2 under black rot. 



Hollyhock. 



RUST: 



1. Borden ux mixture as leaves open. Repeat at intervals of 

 ten davs if needed. 



Maples. 



TUSSOCK MOTH: 



See under ''Elm." 



COTTONY MAPLE SCALE: 



1. Spray with Kerosene Emulsion early in June. 2. Repeat in 

 two weeks if necessary. 



Nursery Stock, 



SUCKING INSECTS: 



1. Kerosene Emulsion as soon as discovered. 2. Repeat in two 

 weeks if necessary. 



