Tea tree mushroom is a fashionable and rare mushroom product which has been welcomed by domestic and foreign markets in recent years and has become a highlight of cultivars. However, since the mycelium and fruiting bodies of the mushroom contain a smell of almond scent, more pests and diseases are induced, and most of them are caused by pathogens and pests, which are called infective diseases. The growers often fail to identify the pathological and pathogens well, so that they can be treated blindly with chemical pesticides. The results can not only effectively prevent and cure, but cause the mushroom body to suffer, the product pesticides exceed the standard, and the cultivation efficiency is not good. The following describes the disease characteristics, pathogens and control measures of the common black spot disease of Agrocybe aegerita.
The symptoms of black spot disease of Agrocybe aegerita are: black spots appear on the affected fruit body, distributed on the cap and stipe, and the color of the mushroom body is obviously contrasted. The lighter affects the appearance of the product, and the heavy one causes mildew. The pathogen is Cephalosporium, which is mainly transmitted by air, wind, rain and fog; often due to contact with the operator's hands and tools; the temperature of the mushroom room is 25 ~ 30 ° C, poor ventilation, excessive water spray, liquid water deposits over the mushroom body The disease is easy to send.
Prevention
1 Keep the mushroom house clean and well-ventilated, prevent high temperature and high humidity; 2 warm the bacteria after inoculation, strengthen ventilation, let the hyphae develop normally; 3 spray the water at the stage of the mushroom to master the principle of light, diligent and fine, each time After spraying water, it should be ventilated in time; 4 when the mushroom is damaged, it can be sprayed once with 1500 times of 20% triazole copper emulsifiable concentrate; the diseased mushroom is removed in time, the surrounding contaminated parts are dug, and 5% fungicide is used. Powder 1000 times liquid spray.
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