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Fittje, Susanne; Menzel, Dr. Wulf; Saucke, Dr. Helmut; Vetten, Dr. Heinrich-Josef. |
An apparently new virus disease of carrots (Daucus carota) has gained increasing importance in Germany. The complex of symptoms consisting of leaf reddening, plant stunting, hairy and rat tailed roots is thought to be caused by viral infections. Particularly the main carrot growing areas in Lower Saxony are adversely affected. In field surveys in 2003 about 30 % symptomatic plants were observed with average weight losses of about 30 %. In severe cases symptom-related yield reduction was estimated to be 17 % on-farm, which corresponded to a monetary loss of up to 600 €/ha. In 2004 up to 6 % of the plants displayed virus like symptoms. Varietal differences in susceptibility were observed. In general, late maturing varieties for processing showed more... |
Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop health; Quality; Protection Specific methods Vegetables. |
Ano: 2005 |
URL: http://orgprints.org/3785/1/3785.pdf |
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