Symptoms 



tium disease caused by Sclerotinia Sclerotiorum, 

 for which there is no cure : burn affected 

 plants. 



Damson. See Plum. 



Delphinium. 



Foliage. — Whitish growth on leaves, which 

 may become somewhat deformed. Mildew due 

 to Erysiphe polygoni. Dust with flowers of 

 sulphur or spray with Hver of sulphur (7). 

 Many weeds are attacked by this fungus. 



DiANTHxrs. See Carnation and Sweet WiUiam. 



Erica. 



Foliage. — Leaves and terminal part of shoot 

 covered with whitish powdery growth. Mildew 

 due to Oidium sp. Dust with flowers of sulphur. 



Fig. 



Stem. — Cracks in bark and wood which fail 

 to heal, gradually girdling stem, which is flnaUy 

 killed. Canker due to Libertella ulcerata. Cut 

 canker spots completely out, and paint these 

 and other wounds. Disinfect knife. 



Fruit. — Velvety grey patches at apex of 

 fruit, the tissues rotting and being reduced to 

 a pulpy mass. Grey-mould due to Botrytis 

 cinerea. Bum infected fruit. 



Bitter rot due to Gloeosporium fructigenum 

 sometimes attacks figs ; treatment, see Apple 

 brown rot. 



A " mosaic " disease of the fohage in which 

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