Symptoms 



themi. Dust with flowers of sulphur or spray 

 with liver of sulphur (7). Spots appearing 

 brown on upper side of the leaf, and beariag on 

 lower side groups of chocolate-brown spores. 

 Rust. Puccinia chrysanthemi. Select resistant 

 varieties (1) ; propagate only from healthy stock ; 

 spray with Hver of sulphur as a preventive (7). 

 Dark brown rounded spots with a distinct 

 margin, on upper side of leaves, showing 

 minute black dots. Leaf-spot due to Septoria 

 chrysanthemi. Bum affected parts (3) ; spray 

 with Bordeaux mixture or Hver of sulphur (7). 



ClNEEABIA. 



Foliage. — Greyish-white growth on leaves. 

 Mildew, due to Oidium sp. Dust with sulphur 

 or spray with liver of sulphur (7). 



Bright orange-yeUow waxy patches on under 

 side of leaf, rarely visible above. Rust due 

 to Coleosporium Senecionis. Keep away from 

 related weeds such as groundsel and ragwort. 

 The alternate host is the Scots Pine. 

 Clematis. 



Stem. — Sudden wilting and dying of part or 

 whole of shoot. Due to the fungus Ascochyta 

 clem/itidina. Remove aU dead or dying foliage 

 and shoots and spray with Bordeaux mixture 

 if spotted foliage be seen. 



Foliage, — Greyish-white growth on leaves 

 and flowers. Mildew, due to Oidium sp. Dust 

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