Interaktywna Encyklopedia Pnącza ogrodowe 2005 - vines in garden > care and culture of Clematis > diseases


















































 




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vines in garden > care and culture of Clematis > diseases




Clematis terniflora

Clematis - diseases and pests



Diseases The only serious disease of clematis is highly infective fungal infestation called Clematis wilt. Suddenly either the entire plant, one of the shoots, or just part of a shoot collapses completely, although roots usually remain healthy. This tends to affect weak, damaged or improperly cultivated plants. Buying clematis from reliable sources and planting only strong varieties, previously grown in a container can partially reduce the risk. Clematis should be planted deep in the ground in a carefully prepared site to ensure generous rooting of the stems close to the base. Before planting and also during cultivation all dead parts, both leaves and stems, should be removed. Wilt can be counteracted and fought chemically by watering the plant thoroughly with the 0.2% solution of fungicide Benlate or Topsin. Use 3-5 l of the solution for one plant and repeat this treatment 2-3 times every 10-14 days. Powder mildew is another troublesome disease affecting clematis. A white powdery growth appears on leaves, flowers and young sprouts. Temperature above 20oC and frequent moistening of the leaves promotes the spread of the disease. In case of infection spray the plant 3-4 times, every 7 days, alternately, with any of the following anti mildew fungicides: Bayleton 5WP (0,2%), Rubigan 12EC (0,03%) or Saprol 190EC (0,15%).


Pests Pests don't usually present a problem for clematis as they are on the whole less prone to attack than many other garden plants. There are no specific clematis pests and the assault from the most common spiders and aphis doesn't happen too often. If they appear, however, a similar treatment should be applied as in the case of every other cultivation. A mouse is another burdensome pest. It will eat the roots of the plant, which will eventually collapse. You can partially prevent the roots from damage by wrapping the rootball with a plastic or wire mesh.





see also:

• Clematis ‘Bill MacKenzie’ from the Tangutica Group • Clematis ‘Praecox’ from the Heracleifolia Group • Clematis 'Emilia Plater' (Viticella Group) • Clematis alpina • Clematis Integrifolia Group • Clematis Viticella Group • advanced search • applications of climbers • articles about Clematis • encyclopaedia

 

 vines in garden > care and culture of Clematis > diseases
Last modification: 2005-01-23.

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