TopDB
Disease

    Ghost Spot:

    Disease ID : ToPDB_DD056

    Summary :

    Introduction : Ghost spot disease is a fungal disease and found on greenhouse and field tomato fruit when atmospheric humidity is high.

    Pathogen cause : Botrytis cinerea
    Host distribution : Lycopersicon esculentum

    Sign and Symptoms:

    The disease is aptly named, appearing on the fruit as a superficial pale halo or ring mark, with a brownish to black pinpoint spot in the centre . On green fruit the halo may be pale green or silvery, and generally the tissue inside the halo is paler green still. On ripe fruit the halo is usually pale yellow Ghost spots rarely develop further, but they spoil market quality Cultivars vary in their susceptibility to fruit infection.

    Etiology:

    Disease, especially under humid greenhouse conditions. On the fruit, infection usually starts at either the blossom end or the stem end, and when the humidity is high a grayish growth of the fungus develops rapidly and a soft watery rot destroys the fruit.

    Gene(s) Resposible for Disease:

    Gene ID :3760026

    Control:

    Biocontrol: NA

    Chemical control: Benzimidazoles and dicarboximides