Because tobacco is a carrier, smokers should wash hands thoroughly before handling plants. Problem: Damping-off disease, ...

The symptoms of rose black spot and the tobacco mosaic virus (TMV) are shown below. dig up and destroy infected plants wash their hands after handling infected plants wash tools that have come ...

throws down a precipitate which contains practically all of the virus. 4. Juice from Turkish tobacco plants with mosaic disease contains two well defined heat precipitable fractions. One comes down ...

53, No. 8, Nov., 1926 A Cytological Study of the Leaves and Gr... A Cytological Study of the Leaves and Growing Points of Healthy and Mosaic Diseased Tobacco Plants This is the metadata section. Skip ...

falciforme is now widespread in Zimbabwean tobacco and potatoes. Typical symptoms of the disease include yellowing, drying and death of leaves, followed by stunting, defoliation and plant death. "In ...