RASPBERRY AND STRAWBERRY DISEASES. 135 



fruit, especially in moist weather. They feed chiefly at 

 night. This, in company with other slugs and snails, 

 often do seiioiis injury to the strawd^erry crop. 



liEMEL'iEs. — Dusting witli soot after the fruit lias set, or 

 pressing with a soil funiigant in winter to liill the ova, are 

 good remedies. 



Other Pests.— The larvix? of the Heart and Dart, 

 Gaiden Switt, and Large Wliite Plume Moths attack 

 stra^^•l)e^rics. Various beetles and weevils also levy a 

 tribute on the foliage and fruit. Then the larvte of the 

 Dot, Buff Archer, and Garden Swift Moths are partial to 

 the raspberry. . Weevils and beetles may occasionally do 

 injury. Those described in detail are, however, the worst 

 offenders. 



B DISEASES. 



Raspberry Spot (Gl<)i'Os])orium venetiuii). — A dis- 

 ease which attacks the young canes and leaves of the 

 raspberry. It fiust appears as small red spots, which 

 increase in size and form large blotches. The effects of 

 the disease are not always apparent the first season, but 

 the next the canes produce a poor crop of fruit and scanty 

 foliage. 



• PtEMEDiEH. — (1) Canes badly attacked are better cut off 

 and burnt. (2) Wdien the disease is slight, spray the 

 canes in winter with a Sulphate of Iron solution. 



Strawberry Leaf Spot (Sphnerella fragarite). — This 

 disea'se appears on the leaves of the strawberry in the 

 form of dark spots, which afterwards have a greyish 

 centre, edged wdth red. It spreads very rapidly, and 

 completely disorganises the tissues and functions of the 

 leaves, weakening the plants and spoiling the fruit. 



PiEMEDiEs. — Spraying the plants with Bordeaux Mixture 

 (Formula 20 or 21) when the new leaves form, and cut- 

 ting off and bin-ning all infected leaves are the only reme- 

 dies. 



