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. 1999 Mar 2;96(5):2549–2553. doi: 10.1073/pnas.96.5.2549

Figure 4.

Figure 4

Comparison of symptoms induced by infection with TMV, AlMV, and Av/A4 on N. tabacum cv. Xanthi-nc at 27°C (A) and at 30°C (B). (A) TMV and Av/A4 caused necrotic local lesion formation, limiting the infection to the inoculated leaf, while AlMV moved into the upper uninoculated leaves. (B) Inoculation of N. tabacum cv. Xanthi-nc with Av/A4, AlMV, or TMV at 30°C resulted in the systemic spread of the virus. Local lesions and systemically infected leaves are indicated by circles and arrows, respectively.