Consultation: I am a mushroom farmer in Tianshui. Recently, I saw online saying that adding carbendazim to the oyster mushroom culture material has no effect, and it will make the mushroom hyphae not long and increase pollution. Can I add carbendazim when mixing the ingredients?
Answer: The argument that there is no effect has been around for a long time. The reason for thinking like this is that the subjective belief that carbendazim will decompose during high-temperature sterilization has no effect. In fact, carbendazim will only decompose at 306°C. Not to mention the ordinary sterilization stoves used by our mushroom farmers, including the high-pressure sterilizer, can not reach this temperature at all during use, so it is not credible to say that the high temperature is invalid. Secondly, there is a problem with the method of use. Carbendazim is easy to decompose and fail in an alkaline environment. Therefore, lime and carbendazim should not be used at the same time when mixing. At the same time, it should be noted that carbendazim can easily make the bacteria resistant, so Long-term use should be avoided, and other fungicides such as clomiphene can be used interchangeably. Carbendazim has a good effect on green mold, but it has a poor effect on mucor, rhizopus and other miscellaneous bacteria. Therefore, you must choose the type of medicine according to the type of mold you have occurred.
As for the inhibition of mycelial growth, first of all, if we do not follow our recommended dosage and increase the dosage without authorization, there must be some inhibition of mycelial growth. Secondly, if the types of edible fungi you produce are fungus, hericium, and white fungus, since these types are particularly sensitive to carbendazim, there will definitely be inhibition, so you should definitely not use it.
In terms of safety issues, our recommended use time is when mixing the ingredients. There will be 40 to 50 days of inoculation and germination period, so it will definitely exceed the safe interval before fruiting. In addition, the dosage is very small and will not cause residues that exceed the safety regulations in the products produced.
Specific to the mixing process, if the raw materials you use are fresh, there is no mildew, and then the sterilization equipment is sterilized *********, it is completely unnecessary. But if it is to reduce the cost, the raw materials are mixed with moldy or once infected by miscellaneous bacteria, and the materials are sterilized at room temperature and pressure, in order to reduce the mold infection rate of the bacteria bag, ****** Use the relevant medicines correctly according to our recommended method.
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