Figure 2From: Evaluation of disinfectants to prevent mechanical transmission of viruses and a viroid in greenhouse tomato production Effects of various concentrations of Virkon S in deactivating Tobacco mosaic virus (TMV) infectivity as assessed in bioassays through rub-inoculation upon exposure for 30Â sec using Virkon S at 0.5% (left) with no protection, at 1% (middle) with partial protection, and at 2% (right) with full protection. Back to article page