Tomato rot disease and its prevention and treatment
Symptoms identify tomato cotton rot mainly responsible for fruit damage. The fruit is infected with water and is immersed in yellow-brown or brown spots, causing the whole fruit to rot. However, the damaged fruit is generally not deformed, and sometimes the peel is broken. The disease does not generally fall off, and there is a large amount of cotton-like white mold layer on the dense, different from M. blight. Infection at the seedling stage can cause cataplexy.
The disease is mostly caused by Pythiumaphanidermatum (Eds.) Fitzp (Pythium aphanidermatum), which belongs to the flagellin subfamily fungi. The morphological characteristics are the same as those in tomato damping-off. In addition, it has been reported that Pythium myriotylum Drechser (Pythium group) can also cause the disease.
Occurrence of the law with the fall of the disease vaccine. The disease mainly occurs during the rainy season. No other fruit is affected or the victim suffers from heavy water.
Control methods generally do not require separate control, and can be combined with prevention and control of tomato diseases, etc.
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