Incidence of Viruses Infecting Winter Oilseed Rape (Brassica napus ssp. oleifera) in Iran
N. Shahraeen, Sh. Farzadfar, D.‐E. Lesemann
Abstract
N. Shahraeen, Sh. Farzadfar, D.‐E. Lesemann
Abstract
Abstract Oilseed rape (Brassica napus ssp. oleifera) is an important crop in Iran. Of 581 oilseed rape samples tested by DAS‐ELISA and immunoelectron microscopy during a preliminary survey from 1999 to 2001, 14.45% were infected with Beet western yellows virus (BWYV, Luteovirus), 12.9% with Cauliflower mosaic virus (CaMV, Caulimovirus) and 9.3% with Turnip mosaic virus (TuMV, Potyvirus). Cucumber mosaic virus (4.6%) and Tomato spotted wilt virus (0.51%) also occurred, but to a lesser extent. The occurrence of BWYV, TuMV and CaMV in oilseed rape crops could have important consequences for rape seed production in Iran and infected plants could also serve as sources of virus for other susceptible vegetable crops.
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Abstract Oilseed rape (Brassica napus ssp. oleifera) is an important crop in Iran. Of 581 oilseed rape samples tested by DAS‐ELISA and immunoelectron microscopy during a preliminary survey from 1999 to 2001, 14.45% were infected with Beet western yellows virus (BWYV, Luteovirus), 12.9% with Cauliflower mosaic virus (CaMV, Caulimovirus) and 9.3% with Turnip mosaic virus (TuMV, Potyvirus). Cucumber mosaic virus (4.6%) and Tomato spotted wilt virus (0.51%) also occurred, but to a lesser extent. The occurrence of BWYV, TuMV and CaMV in oilseed rape crops could have important consequences for rape seed production in Iran and infected plants could also serve as sources of virus for other susceptible vegetable crops.
Key concepts: Turnip mosaic virus, Biology, Brassica, Crop, Potyvirus, Luteovirus, Plant virus, Cauliflower mosaic virus