106 GARDEN FOES. 



and winter fruit, in the form of black dots, are borne 

 thereon, the spores therefrom germinating the following 

 spring and producing the white or summer mildew. The 

 tips of the shoots of infected trees turn brown and shrivel. 

 Kemedies.— The Board of Agriculture and Fisheries, by 

 virtue of the powers vested in them under the Destructive 

 Insects and Pests Acts, 1877 and 1907, have the power to 

 issue orders for dealing with the disease in any district 

 where its appearance has been detected. See board of 

 Agriculture Order 1910 in Chapter V., Part VI., for fur- 

 ther information on this point. 



Currant Anthracnose (Glceosporium ribis).— A 

 fungoid disease which attacks the leaves of the red and 

 white currants in the form of circular brownish spots, and 

 also causes the margins to assume a brownish tinge. Not 

 a very serious disease. 



Remedies. — Spray in summer with Formula 23; also 

 gather and burn all fallen leaves in autumn. 



Currant Coral Spot (Nectria cinnabarina).— The 

 reddish warts often seen on the stems of currants are fun- 

 goid growths. The mycelium permeates the tissues of 

 the shoots, and ultimately kills the branch, the red w^arts 

 afterwards forming on the surface. 



Remedy. — Cut off and burn all infected shoots or 

 branches. 



Currant Leaf Spot -(Septoria ribis).— This fungoid 

 disease occasionally does considerable harm to the foliage 

 of the black currant. It attacks the fully-grown leaves 

 in the form of purplish spots on the upper surface. The 

 mycelium of the fungus ruptures the epidermis, prevents 

 the leaf carrying out its functions, and causes it to decay 

 and fall off early, thus weakening the tree. 



Remedies. — (1) Directly spots are seen forming on the 

 surface, spray the foliage with dilute Bordeaux Mixture 

 (Formulie Nos. 20 or 21) or Sulphide of Potassium (For- 



