Measures to Prevent Death of Straw Mushrooms

In the process of straw mushroom cultivation, it's common to encounter a problem where young mushrooms wilt and die, leading to significant losses for growers. There are several key factors that contribute to this issue, and understanding them can help improve yield and quality. Firstly, the substrate's pH level plays a crucial role. Straw mushrooms thrive in an alkaline environment, and if the pH is below 6, although they may form small knots, their growth will be stunted. Moreover, acidic conditions promote the growth of harmful molds like green mold and yellow mold, which compete for nutrients and ultimately lead to the death of the mushrooms. To prevent this, it's important to adjust the pH of the growing medium during preparation. After the first flush of mushrooms, you can spray a 1% lime solution or 5% wood ash water to maintain a pH around 8, which is ideal for mushroom development. Secondly, temperature is another critical factor. If the temperature of the substrate remains below 28°C, the growth of straw mushrooms can be severely affected, and in some cases, the young mushrooms may die. Sudden temperature drops due to cold fronts or typhoons can be especially damaging, potentially killing even mature mushrooms. Maintaining a stable and suitable temperature is essential for successful cultivation. Thirdly, improper watering techniques can also lead to mushroom loss. Straw mushrooms require water that is close in temperature to the ambient room temperature. For example, using cold well water (around 20°C) during hot summer days can cause a large number of young mushrooms to die. It's best to water in the early morning or late evening when temperatures are milder. The water should ideally be around 30°C. Additionally, the timing and method of watering must be adjusted based on the growth stage of the mushrooms. During the early stages, excessive watering can harm the young mushrooms, so it's important to avoid spraying directly on the surface when the fruiting bodies are small. Instead, focus on misting the aisles and watering the ground to increase humidity without over-saturating the substrate. Lastly, physical damage during harvesting can also be a major cause of mushroom death. The mycelium of straw mushrooms is delicate and easily disturbed. If the picking process is too rough, it can damage the surrounding substrate and disrupt the flow of water and nutrients. To minimize damage, always handle the mushrooms gently. When picking, hold the base of the mushroom with one hand to protect nearby young ones, and use the other hand to carefully twist and remove the mature ones. In cases where multiple mushrooms grow closely together, it's better to harvest them as a group to avoid harming the others. By paying attention to these factors—pH balance, temperature control, proper watering, and careful harvesting—you can significantly reduce the risk of young mushroom death and improve overall production success.

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