Method for preventing and treating fungus base rot
2019-08-22 20:03:03
The pathogen is Pythium. It belongs to flagellin and is a parasitic disease. Harmful to the base of the mushroom, causing the fruit body to rot at the base, producing a layer of white cottony mildew in the diseased part, mycelial branches.
In the germination period, the bacteria are also easily contaminated with culture materials. The symptoms of contamination are: black cells are found in the middle of the culture materials. The size of the black area varies from several centimeters to more than 1 meter. The bacteria in the adjacent areas is good, so it is difficult to be Discovered and ignored. This bacteria generally occurs in a high nitrogen content area. After the culture material is contaminated by the bacteria, the yield is reduced, especially the first and second tide mushrooms. However, the subsequent tidal production rebounded due to the fact that when the nitrogen content decreased, mushroom hyphae grew into the black zone.
Control methods: When stacking culture materials, cake fertilizer and nitrogen fertilizer should be mixed evenly. Care should be taken when adding nutrients at the end of the mushrooming period to ensure that the nutrients are evenly distributed in the material. The mushrooms were found, removed in time, and one liter of mercury-injection aqueous solution was sprayed in the ward; or the ward was covered with paper, and 2% aqueous formaldehyde solution was sprayed on the paper every other day.
In the germination period, the bacteria are also easily contaminated with culture materials. The symptoms of contamination are: black cells are found in the middle of the culture materials. The size of the black area varies from several centimeters to more than 1 meter. The bacteria in the adjacent areas is good, so it is difficult to be Discovered and ignored. This bacteria generally occurs in a high nitrogen content area. After the culture material is contaminated by the bacteria, the yield is reduced, especially the first and second tide mushrooms. However, the subsequent tidal production rebounded due to the fact that when the nitrogen content decreased, mushroom hyphae grew into the black zone.
Control methods: When stacking culture materials, cake fertilizer and nitrogen fertilizer should be mixed evenly. Care should be taken when adding nutrients at the end of the mushrooming period to ensure that the nutrients are evenly distributed in the material. The mushrooms were found, removed in time, and one liter of mercury-injection aqueous solution was sprayed in the ward; or the ward was covered with paper, and 2% aqueous formaldehyde solution was sprayed on the paper every other day.
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