August's disease

August's disease - was first discovered in 1931 at Class tulip August in Holland. Pathogen it - tobacco necrosis virus. Severely diseased plants are stunted, and if early infection is rapidly dying. On leaves and stems appear brown necrotic strokes located longitudinal rows. If the young plants hit by the entire surface, the leaves are curling and zasyhayut. Necrosis may be stems and flowers. On the bulbs are visible depressed dull spots that become brown with age.Amazing deals on Nintendo ds card online |

Tobacco necrosis virus is transmitted by fungus Olpidium brassicae Sp, which is itself not striking tulip. Mycelium fungus lives on the roots of a number of weeds and crops (tobacco, potatoes, lettuce, beans, wheat) and an enormous amount of zoospor propagating in the soil by means of flagella. They have some tulips and transmit the virus, which enters the roots through small wounds. As the fungus mycelium did not breed in the roots of a tulip, the infection of healthy bulbs from the neighborhood with patients does not occur. Artificially causing virus is transmitted when an infected plant sap on the leaves of healthy, as well as the tulip to the plants, to which the development of fungus. Measures to combat the disease are to remove from the planting of infected plants, as well as the removal of weeds, which are the source of infection.

We recommend that you disinfect the soil, and use the land for distillation after steam cleaning.