What are the common problems in growing Pleurotus eryngii?

What are the common problems in growing Pleurotus eryngii? How should it be solved? Netizens who have experience in planting Pleurotus eryngii are also invited to introduce that Pleurotus eryngii is one of the kinds of edible mushrooms developed in China in recent years, with short production cycle, quick results, relatively high economic benefits and continuous expansion of planting area. however, there are many common problems in the cultivation of Pleurotus eryngii, which lead to low yield, so the planting network collates the common problems and solutions of Pleurotus eryngii, which are listed in detail below for netizens' reference. Problem 1. Bacterial bag pollution: the direct cause of bacterial bag pollution 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. The causes of bacterial bag pollution are as follows: 1. When mixing the material, the culture material does not absorb water, and there is a raw heart in the material, especially in the hard culture materials such as sawdust and corncob. 2. The cold air is not exhausted in the process of sterilization, and the sterilization pot is always occupied by cold air, which leads to poor thermal cycle. 3. The problem of incomplete sterilization will occur if the sterilization time is insufficient, or there is a cease-fire in the sterilization process, or if the bacteria bags are placed too much and too tight in the sterilizer. Problem 2, the mycelium growth of Pleurotus eryngii is slow: reason 1, if the strain vitality is weak, the mycelium growth is slow. Be sure to buy bacteria from large-scale and reputable units. The suitable age of the strain is 30-40 days, and the hyphae are white, dense and sturdy, indicating strong vitality. Reason 2, if the bacterial bag is too tight or the water content is too high (more than 65%), the mycelium growth rate is inhibited because there is not enough oxygen in the bacterial bag. Reason 3, if the bacteria temperature is too low, such as less than 20 ℃, and poor ventilation or the pH of the culture material is not suitable (the suitable pH value is about 7), it will also cause bacteria to develop slowly. Problem 3. Pleurotus eryngii bags produce mushrooms on the side and are deformed: in the process of sterilization, the bags squeeze each other and the round bags are deformed, resulting in a gap between the cultivation material and the bag, which provides space for the twisting of hyphae. Coupled with low temperature, light stimulation and mechanical stimulation (such as inverted bag, etc.), the hyphae on the side of the bag were twisted to form primordia and developed into fruiting bodies. Due to the limitation of plastic bags, this kind of mushroom is all deformed. When this situation is found, the mushroom bud should be pinched in time to stop its growth, so as not to cause more waste of nutrition. Problem 4. The fruiting body of Pleurotus eryngii is small: the reason for this is that there is no mushroom bud. After primordium differentiation, many mushroom buds grew on both sides of the bag, ranging from several to dozens. However, due to nutrition and space constraints, most of these mushroom mines can not grow into commercial mushrooms, so it is necessary to sparse buds so as not to waste nutrition. The principle of thinning buds is to select buds with good position, normal shape and similar size, leaving 4 or 6 buds on each side, and when the fruiting body grows to 2 centimeters, another selection should be made, leaving 2 buds on each side. In this way, a higher commodity rate can be guaranteed. Problem 5. The mycelium of Pleurotus eryngii is strong and long: during the emergence of mushrooms, the hyphae suddenly grow, both ends of the bag and the fruiting body are covered with white hyphae, and the fruiting body begins to shrink from the middle of the cap, and when it is serious, the fruiting body yellowed and died. This is mainly caused by the sudden increase in temperature in the mushroom shed. In the stage of mushroom emergence, both hyphae and fruiting bodies are growing, and under normal circumstances, the two kinds of growth reach dynamic balance. The balance is determined by temperature. Higher temperature is beneficial to the growth of mycelium and lower temperature is beneficial to the differentiation of primordia. The sudden heating up broke the original balance and made the mycelium growth dominant. In the case of a certain amount of nutrition and water, more nutrition and water supply to the mycelium growth, less nutrition and water supply to the fruiting body, serious nutrient reflux of the fruiting body, showing atrophy of the fruiting body, or even yellowing death. Sudden heating in the mushroom shed should be prevented. What should be paid attention to when growing Pleurotus eryngii? how to grow Pleurotus eryngii