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Straw mushrooms take only 7-10 days from spawning to cultivation: cultivation techniques
I. Determining the cultivation period. Straw mushrooms (Volvariella volvacea) like high temperature and high humidity, so in northern regions they should be grown in summer. In central Hebei and southern Hebei, this is generally from late May to early September, when the temperature inside plastic greenhouses can be maintained at 22-31°C. When cultivated in this period, the mycelium generally germinates on the second day after spawning, the mycelium runs through the substrate on the third day, and the first flush of mushrooms can be harvested on days 7-9; growers in other regions can adjust the cultivation period flexibly according to local climatic conditions. II. Selection and treatment of the growing substrate. The growing substrate is the nutritional medium for growth, and choosing a suitable substrate is
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Button Mushroom Spawning Methods and Technical Key Points
(1) Spawning date. In each region, an appropriate spawning period must be chosen according to local climatic conditions. The standard for the optimal spawning period is: during the mycelium-running stage of the compost, the natural temperature should be 24-26°C as far as possible. In the Yangtze River basin area, the spawning period is in early to mid-September; in Shanghai and areas near Shanghai, the optimal spawning period is September 8-12. If spawning is too early, temperatures above 28°C are often encountered after spawning, causing the spawn not to germinate and to die; if spawning is too late, the number of days suitable for fruiting is shortened, making it difficult to obtain high yields. (2) Before spawning
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Technical Measures to Reduce the Mortality Rate of Induced Spawning Broodfish
Reducing the death of induced spawning broodfish is an important technical task in fry aquaculture. There are two main factors causing the death of induced spawning broodfish. First, broodfish consume a great deal of physical energy during the spawning and reproduction process, which increases the side effects of the inducing drugs and lowers the body's resistance. If the fish is severely injured, various pathogens will take the opportunity to infect the fish body, causing disease and leading to the death of the broodfish. Second, the broodfish has a poor physique, or the water temperature fluctuates greatly during induction, or the dosage of the inducing drugs is improper (too high or too low), so the broodfish cannot spawn normally or experiences difficult spawning, and this in turn causes its own physiological activities to become disordered and leads to death.
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How should you select mushroom spawn for high yields when cultivating Agaricus bisporus in paddy fields?
Give priority to granular wheat grain spawn with good yield performance and strong stress resistance, followed by manure-straw bag spawn. To plant 1 mu of field mushrooms, about 400 bottles of wheat grain spawn are needed, with an investment of 800-900 yuan; or 800-1000 bags of manure-straw bag spawn, with an investment of about 1000 yuan. Farmers should be especially reminded that when buying spawn, they must go to a spawn farm with a good reputation.
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Choosing the right mushroom spawn is key to autumn oyster mushroom cultivation
Spawn quality is the key to a bumper oyster mushroom harvest. High-quality secondary and tertiary oyster mushroom spawn should have the following characteristics: dense, pure white mycelium, uniform and sturdy growth, cottony in appearance, with climbing phenomenon on the container walls, and a small number of coral-like tiny mushroom buds appearing on the surface of the substrate; the spawn age is best at 20-25 days; the mycelium is clearly visible on the cross-section of the spawn, with a distinct mushroom aroma. If a large number of fruiting body primordia appear on the surface of the substrate, it indicates that the spawn has matured and should be used as soon as possible. Before introducing spawn, you must first determine the temperature type of the spawn, and then according to
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Key Technical Management Points for the Spawn-Running Period of Autumn-Cultivated Oyster Mushrooms
The period from spawning to the appearance of fruiting bodies is called the spawn-running period. The level of technical management during this period determines whether the oyster mushroom mycelium can grow and develop normally in the substrate, and is the key period for achieving high-quality, high-yield oyster mushrooms in the future. Therefore, strengthening management during the spawn-running period of oyster mushrooms is crucial. In my investigations, I have found that many oyster mushroom producers believe oyster mushrooms are easy to grow and manage extensively. After spawning, they often neglect scientific management during the spawn-running period and become careless, which leads to reduced yields and poor harvests of oyster mushrooms, and in severe cases, complete crop failure.
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High-Quality, High-Yield Techniques for Bag-Cultivated Oyster Mushrooms: Micro-Pore Spawn Running and Seepage Irrigation for Fruiting
During the spawn-running stage of bag-cultivated oyster mushrooms, problems commonly arise such as inconsistent mycelial growth rates within the bags, an excessively long spawn-running period, a high contamination rate, the mushroom wall being somewhat too tall and prone to toppling during the fruiting stage, and severe water loss from the bags after the second flush making rehydration difficult, all of which seriously affect yield and quality. In recent years, new techniques of micro-pore spawn running and seepage irrigation for fruiting in oyster mushroom cultivation have been successfully developed in production, effectively solving the above problems. Micro-pore spawn running. The selection of the substrate, ingredient mixing, blending and fermentation are the same as conventional methods; the difference is that before bagging, a sewing machine is used to prick three rows of needle holes on the top of the substrate cylinder, serving as micro-pore channels to supply air during the mycelial growth period.
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Introduction to the methods of germination and sowing of Gastrodia mushroom spawn
1. Types of germination fungi The germination fungi of Gastrodia seeds reported so far all belong to 4 species of fungi in the Tricholomataceae family, Mycena genus. Their names are: first, Mycena osmarioides; second, Mycena orchidicola; third, Mycena dendrobii; fourth, Mycena anoectochila. In 1999, we isolated and cultured another type of fungus for Gastrodia seed germination, which is Trametes lactinea of the Polyporaceae family. This fungus is superior to the above four fungi in production and application during the higher temperature season. 2. Production technology of germination fungi Isolation and culture of the mother spawn of germination fungi: in Gastrodia cultivation sites
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Indoor Cultivation Techniques for Oyster Mushrooms: Detailed Explanation of Compounding, Filling, and Spawning Methods
1. For the formula of the growing substrate, cottonseed hulls are generally the better choice, because cottonseed hulls are relatively rich in nutrients and also have good air permeability. Choose dry cottonseed hulls with no mold, and it is best to sun-dry them for 2-3 days in advance. The raw material formula is: 100 kg cottonseed hulls, add 2 kg superphosphate, 3 kg gypsum, 0.2 kg carbendazim, and add about 150-160 kg water (depending on how dry the cottonseed hulls are and how much cotton lint they contain). Mix the above raw materials thoroughly, and adjust the moisture until it feels right when squeezed tightly by hand: water droplets appear between the fingers but do not drip
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Key Technical Points for Temperature Management During the Spawn-Running Stage of Oyster Mushrooms
When oyster mushroom mycelium grows thick and vigorous, the spawn-running success rate is high; especially in the sterilized-substrate cultivation process, the mycelium has a lower chance of being infected by contaminant microorganisms than other varieties. However, in the raw-material cultivation process, its temperature requirements during the mycelial growth stage are very strict. Therefore, correctly mastering the suitable spawn-running temperature is the key to ensuring the success of raw-material cultivation of oyster mushrooms. Oyster mushroom mycelium grows vigorously at 20°C-30°C and has strong resistance to contaminant microorganisms; even if occasional contamination occurs, the oyster mushroom mycelium can penetrate and consume it, and the spawn runs quickly, with the mycelium
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