6o4 



Bulletin 283. 



It attacks leaves at the tip of the growing shoots and is often 

 serious on nursery stock. The leaves curl and show white 

 mealy growth of the fungus. Dust heavily with sulfur or spray 

 with potassium sulfid, i oz. to 3 gals, water, or with lime-sulfur as for leaf-spot. 



Powdery 

 mildew. 



CHRYSANTHEMUM. 



This is also a fungous disease. Spray with Bordeaux, 5-5-50, 

 Septoria, every ten days or often enough to protect new foliage. Am- 

 leaf-spot. moniacal copper carbonate may be used but it is not so effective. 



Geneva Annual Report 1892, p. 558. 

 Rust. Treat as for leaf-spot. Avoid wetting foliage when watering. 



J 



Fig. 2X1. 

 Bean an- 

 thracnose. 



Fig. 212. Club-root of cabbage. 



CUCUMBER. 



This most serious fungous disease of the cucumber is known 



Downy among growers as "the blight." The leaves become mottled 



mildew. with yellow, show dead spots and then dry up. Spray with 



Bordeaux, 5—5—50. Commence spraying when the plants begin 



to run and repeat every 10 to 14 days throughout the season. Geneva Bulletin 



119 and 156. 



