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Six prevention measures to prevent sundry fungi on Shiitake

2016-08-29 10:20:34

1. Trichoderma: people should give up strains which are jeopardized by Trichoderma. currently, there are no ideal preventive drug on Trichoderma. Once Trichoderma is found, people should immediately ventilate and lower the humidity to control its extension. If compost is affected by Trichoderma during spawn-running period, people could inject solution to inhibit the extension of Trichoderma. Common solutions are 5% of Carbolic Acid Solution, 2% of Formaldehyde Solution and lime water with the PH Value of 10. Spraying quick lime can reach good prevention effect.  
2. Neurospors Crassa: it presents villiform, white or grey in early growth stage. The growth of Neurospors Crassa is slow and can reduce the pollution when the temperature is controlled under 20 degrees during spawn-running period. At the same time, controlling the humidity can effectively prevent the occurrence of Neurospors Crassa. When finding that fungus sacks are influenced by Neurospors Crassa in late period of spawn-running, people could bury them in 30 to 40 cm of soil with poor permeability. After 10 to 20 days of anaerobic treatment, the harm of Neurospors Crassa it will be effectively reduced. The prevention measure is as same as Trichoderma.
3. Mucor: it is also called Black Mucor, presents white or black in late growth stage and has higher incidence in the condition of high temperature, high humidity and poor ventilation. The prevention measure is as same as Trichoderma.
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