Problems that are easy to occur in the cultivation of edible fungi

Many common sense problems in edible mushroom cultivation are not well mastered by mushroom farmers, and small details can easily lead to catastrophe. It is necessary to sum up:

First, the variety is not the right way, the temperature type is not right.

Take the simplest Pleurotus ostreatus as an example, many mushroom farmers lack a grasp of the temperature type of the varieties. We know that Pleurotus ostreatus can be divided into high temperature and low temperature. Can low-temperature Pleurotus ostreatus be produced in hot summer?. Can Ganoderma lucidum come out without good heat preservation measures in winter? These are the most basic things, and mushroom farmers must master them.

Second, the pollution of bacterial bags is serious.

It is the most annoying problem for mushroom farmers. When they see piles of contaminated bags, they all feel sad. The prices of materials go up, the prices of mushrooms fall, and with the increase of pollution, the main culprit for contamination of mushroom bags is incomplete sterilization. Under the conditions of suitable moisture and temperature, the miscellaneous bacteria that were not killed in the bag began to multiply, began to distribute on the bag, and then expanded into pieces. So what are the reasons for incomplete sterilization?

Corncob-based culture materials, generally large particles, mixing materials do not absorb water, there is a raw heart in the material, without pre-wetting, it is difficult to sterilize thoroughly; whether atmospheric pressure sterilization or high pressure sterilization, if cold air is not exhausted in the process of sterilization, the sterilization pot is always occupied by cold air, resulting in poor thermal circulation. It will also cause incomplete sterilization; there is no guarantee of sterilization time, insufficient sterilization time, or a cease-fire in the sterilization process, all of which will cause incomplete sterilization, and too many bacteria bags in the sterilizer will be placed too tight, resulting in incomplete sterilization.

Third, the strain is not colonized or the mycelium grows slowly.

There are many reasons for this phenomenon, some of which cannot be ruled out. The weak viability of the strain can cause the mycelium to grow slowly. However, most of the reasons are that the bacterial bag is too tight or the water content is too high (more than 65%). Due to the lack of sufficient oxygen in the bacterial bag, the growth rate of mycelium is inhibited. Of course, the bacteria will grow slowly if the temperature is too low, and the ventilation is poor or the pH of the culture material is not suitable. There is also a lot of non-colonization phenomenon caused by the rush of inoculation because the material bag is not cooled enough after sterilization. In addition, the culture room is too dry, and it is impossible to colonize the bacteria with serious water loss on the material surface.