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Beet necrotic yellow vein benyvirus
(click on the images to enlarge them)
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| Characteristic
rootlet proliferation, |
Longitudinal section of sugar beet root, showing browning of the vascular tissues. Institut Technique de la Betterave, France |
Systemic symptoms on sugar beet leaves. Institut Technique de la Betterave, France |
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| Abnormal
root development |