Alternariose

The alternariose is a disease Cryptogamique due to various Champignon S of the kind Alternaria . The supporting factors are the dew in full field and the drops caused by the Condensation, for example under plastic tunnel. This disease can touch the Tournesol S, the Crucifères, the Tomate S, the Carotte S. The mushroom is preserved in the ground under the vegetable remains in the form of Mycélium, of Conidie S or Chlamydospore S. the dessemination of the conidies is done by the wind or the rain. This disease can be transmitted by the seeds.

Means of fight

to prefer resistant varieties,
to reduce moisture and to support the ventilation of the shelters,
to clean the cultures in winter,
to perforate or burn the infected vegetation wastes,
to disinfect the compost used for the manufacture of the mounds,
as a last resort to use a Fungicidal .

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