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What protection level does the black-faced spoonbill have? A detailed look at its appearance and migratory bird status
What does the black-faced spoonbill look like? Hearing the name, you might wonder whether it looks similar to a pipa. That is exactly right, because its long, flat, spoon-shaped bill is extremely similar to the pipa, a Chinese musical instrument, and that is how it got its name. Is the black-faced spoonbill a migratory bird? Yes.
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What to Do When Bumps Appear on Oyster Mushroom Caps? Detailed Prevention and Control Methods
This condition generally occurs in winter. The upper part of the mushroom cap, especially the edge, becomes covered with bumps of varying sizes. In severe cases, the entire cap is covered with bumps. Once bumps form, the fruiting bodies grow extremely slowly. This disease affects both the commercial quality and the yield. The main causes of bump formation are: (1) Fires are lit inside the cultivation room to raise the temperature, causing carbon dioxide to accumulate. (2) The cultivation bags are placed near air vents, and stimulation by cold drafts causes disordered cell growth inside and outside the oyster mushroom cap, resulting in bumps. Prevention and control methods: Strengthen ventilation and air exchange, and harvest all oyster mushrooms with bumps.
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How to identify edible mushroom mother cultures by appearance?
Excellent purified mushroom cultures are the fundamental guarantee for successful edible mushroom cultivation. The appearance identification methods for several edible mushroom mother cultures are introduced as follows: Shiitake mushroom mycelium on potato dextrose agar (PDA) medium is pure white, thick and robust, appearing floccose or velvety; after filling the test tube it has a certain ability to climb the wall, with edges showing irregular wavy curves. At around 24°C, the mycelium generally fills the test tube slant in 12-15 days. It has a distinctive shiitake aroma. Oyster mushroom mycelium on PDA medium is snowy white, dense and thick
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Why do mushrooms sporadically appear before the mycelium has fully spread
Normally, after the mycelium has fully spread, fruiting begins after a few days of recovery. But sometimes fruiting bodies appear when the mycelium has only spread through 2/3, or even 1/2, of the mushroom log, which is abnormal. Some people advertise that their spawn produces mushrooms before the mycelium has fully spread as a superior "early-maturing, high-yielding spawn," but that is deceptive nonsense; in reality, when this happens, it is a sign of spawn degeneration. There are also external factors, such as: (1) using too much spawn, so old spawn blocks produce mushrooms. (2) packing the substrate too tightly, and the cultivation bag
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What to Do When Shell Mushrooms Appear? Detailed Explanation of Prevention and Control Methods
Due to excessively strong light, the fruiting bodies lose water rapidly and shell mushrooms are prone to develop: the stipe is short and thick, and the stipe cannot be seen from the outside; the cap is underdeveloped and shell-shaped in appearance, with no gills or only traces of gills, and the cap color turns darker and glossy. Prevention and control methods: add more covering material to the mushroom shed. Reduce ventilation, increase water spraying, and raise the relative air humidity in the mushroom shed.
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What to do if the second flush of mushrooms does not appear? Causes and solutions
Normally, after the first flush of mushrooms is harvested, the second flush will begin to appear in about 10 days. In some cases, no mushrooms appear for a long time. The main reasons are, first, a high yield in the first flush and too long a growing period, causing a serious shortage of water content in the growing medium; second, temperature that is too low or too high, affecting the timing and yield of the next flush. The solution is to soak the growing medium bags in clean water for 1-2 hours, adding to the water 1% white sugar, 0.3% potassium dihydrogen phosphate, 0.5%-1% magnesium sulfate, 0.1% urea, and 0.1% zinc sulfate
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What to Do If Blue Mushrooms Appear? Introduction to the Correct Handling Method
The symptom of blue mushrooms is that when the mushroom body grows, a blue halo forms at the edge of the cap. In severe cases, the entire mushroom body looks as if blue ink has been splashed on it, and it does not disappear even after the mushroom body is harvested. The main causes of blue mushrooms are: (1) Heating the mushroom shed with coal, firewood and other fuels causes carbon monoxide and carbon dioxide poisoning in the mushroom body, stimulating changes in the components within the mushroom body and producing a discoloration reaction. (2) Using poor-quality new plastic film as covering material: due to the temperature difference between the inside and outside of the film and the relatively high humidity inside the film, it is very easy for the film to
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What to Do When Hollow Mushrooms Appear? Causes and Solutions
This condition is often accompanied by thin, small fruiting bodies, thin caps, and sparse fruiting. It mostly occurs in the late fruiting stage, and is caused by insufficient water in the substrate, insufficient nutrients, low humidity, a relative air humidity staying below 80% for a long time, and disrupted cell elongation within the stipe. Prevention methods: after harvesting the first flush, promptly inject water and nutrient solution into the growing bags, or carry out soil casing cultivation again. The mushroom shed should be shaded to lower the temperature, and when spraying water, spray lightly and frequently, raising the relative air humidity to around 90% to prevent it.
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What to do when sawtooth mushrooms appear? Causes and control methods
The young mushroom fruiting bodies develop normally, but the edges of the caps look like sawteeth, uneven and jagged. The main cause of this disease is stimulation by strong wind. When the wind is strong, humidity drops, and the young tender oyster mushroom fruiting bodies are affected by these adverse environmental conditions, which disrupts their metabolism, damages the tissue cells at the edge of the caps, and produces sawtooth-shaped oyster mushrooms. Control methods: In windy weather, do not open ventilation openings or open fewer of them. If ventilation is urgently needed, when the wind is from the north open only the vents on the south side, and when the wind is from the south open only the vents on the north side. At the same time, increase the amount of water sprayed to raise the humidity in the mushroom shed.
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