No. (). DliJPARTMENT OK AGRICULTURK. \m 



( iici|n'. 

 KOSl<: BUG: 



1. Collect the insects by band. 2. Bag the foiniing bunches of 

 jjjrapcs. See Report of Uepai-tment for 1898. 



GRAPE VINE FLEE BEETLE: 



1. Spiay with I'aris green or Arsenate of Lead as soon as seen. 

 2. Kopeat evciv 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. 



ANTRACNOSE: 



1. Brush the vines over with Sulphate of Iron and Suli)huric 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 days before the flowers open. 3. Spray with potas- 

 sium sulphide sDlution three weeks later if necessary. 



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. Same treatment as 2 under black rot. 



Hollyhock. 



RUST: 



1. Bordeaux mixture as leaves ppen. 2. Repeat at intervals of 

 ten days if needed. 



Maples. 



TUSSOCK MOTH: 



See under ''Elm.'' 



COTTONY MAPLE SCALE: 



1. Sj)ray 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 necessarv. 



