Figure 3. The yellow line pattern seen on the left-side leaflets of this rose leaf is a classic symptom caused by Rose mosaic virus. A bright mosaic is seen on the two leaflets on the right. (Courtesy J. Lotz and P. Lehman)
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Figure 3. The yellow line pattern seen on the left-side leaflets of this rose leaf is a classic symptom caused by Rose mosaic virus. A bright mosaic is seen on the two leaflets on the right. (Courtesy J. Lotz and P. Lehman) |