Dalia - panel (7 testów)

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Dalia

Key warning symptoms:

Mosaic
Veinbanding
Yellow spots, rings
Line pattern
Stem necrosis

The two viruses we most often detect in dahlias, Tomato spotted wilt and Impatiens necrotic spot viruses, are transmitted by thrips and by propagating infected plants. Tomato spotted wilt virus is more common in dahlias than impatiens necrotic spot virus. Both can cause many symptoms, including mosaic patterns on leaves, distorted leaves, stunted plants, dead stem sections, spots and ringspots.

Dahlia mosaic virus, transmitted by aphids, is also very common. It can cause stunting and yellow bands along leaf veins. Other symptoms, including mosaic and leaf distortion, can follow. Some varieties can be symptomless, or develop symptoms that later disappear.

Dahlia Screen (7 tests)

Cucumber mosaic virus (CMV)
Chrysanthemum stunt viroid (CSVd)
Impatiens necrotic spot virus (INSV)
Potyvirus group test (POTY)
Potato virus Y (PVY)
Tobacco streak virus (TSV)
Tomato spotted wilt virus (TSWV)

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