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. 2018 May 31;84(12):e00292-18. doi: 10.1128/AEM.00292-18

FIG 2.

FIG 2

Infectivity (in 50% tissue culture infective dose per gram) of SaV and TV internalized through the roots into the leaves of lettuce (A) and spinach (B) (asterisks indicate significant differences in RNA titers between roots and leaves; see Materials and Methods). The assay detection limit was 0.3 log10 GE/g.