MySheen

Impatiens stem rot

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, Impatiens stem rot is also known as impatiens white silk disease. [pathogen] SclerotiumrolfsiiSacc. Belongs to Sclerotinia sclerotiorum. [symptoms] Brown water-stained disease spots appeared at the base of the stem of the damaged plants, followed by white sericeous mycelium. In the later stage, the sclerotia with grain size of rape could be seen at the rot of the basal cortex of the stem. [incidence regularity] the pathogen overwintered in the remains of diseased plants or soil, and could be transmitted by diseased soil, diseased seedlings or water flow.

Impatiens stem rot is also known as impatiens white silk disease.

[pathogen] SclerotiumrolfsiiSacc. Belongs to Sclerotinia sclerotiorum.

[symptoms] Brown water-stained disease spots appeared at the base of the stem of the damaged plants, followed by white sericeous mycelium. In the later stage, the sclerotia with grain size of rape could be seen at the rot of the basal cortex of the stem.

[incidence regularity] the pathogen overwintered in the remains of diseased plants or soil, and could be transmitted by diseased soil, diseased seedlings or water flow.

[epidemic characteristics] the rainy season with high temperature or high humidity in summer and overdense clumps of plants are beneficial to the disease.

[control measures] see orchid white silk disease.

 
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