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First, the temperature control ear temperature growth range of 16 °C ~ 35 °C, the most suitable growth temperature is 24 °C ~ 28 °C, in this temperature range, the higher the temperature, the faster the ear growth, the temperature is lower than 18 °C When the ear grows slowly, the temperature of the ear exceeds 35°C and the growth of the ear is inhibited. When the temperature is lower than 20°C, ventilation should be reduced and insulation work should be done. When the temperature exceeds 33°C, it is necessary to pay attention to spray water cooling and strengthen ventilation.
Second, adjust the humidity of the ear growth and development stage, the need for air relative humidity of 85% to 95%, can be used to maintain the relative humidity of the air by spraying water, spray water can be used directly to the ear and space spray pipe, but mainly to Water in the space and on the ground. The water spray should be based on the climate and the growth conditions of the ear. When the sky is clear, the temperature is high, and the ears are large, the amount of water spray should be large. The water spray should be 3~4 times a day; cloudy days, ear hours, less water spray or Do not spray water. When the edge of the tab is curled, blackened and hardened, it indicates that the humidity in the environment is insufficient, and the water must be sprayed in time. Ear hair pieces have strong drought tolerance, even if the ears become black and hard, dry and curly, water spray water recovery, but also to restore growth, so management should take dry and wet latent, so that the environment is dry Wet and wet conditions help improve the quality and yield of the tabs.
During the high temperature period, special wet and dry alternation management must be performed. If it is exposed to high temperature and high humidity for a long period of time, it is easy to cause “earflowâ€. After each water spray, ventilation is combined with ventilation to disperse excess water from the ears. In continuous rainy days, ventilation and ventilation must be increased to prevent “flowing earsâ€.
Third, increase the intensity of the light rays on the quality of the ear of a larger impact, under strong light, grow thick ear meat, dark, soft, thick, long hair, dry ears, black. In low light or close to dark environment, the color of the ear is light, reddish, the ear is thin, the villi of the ventral surface is thin and short, and is not obvious. After drying, the ear is red-brown and translucent. Therefore, by adjusting the light intensity of the ear environment, different quality ear pieces can be produced to meet the needs of the market.
Fourth, maintain ventilation During the growth and development of the ear, to absorb large amounts of oxygen, emit carbon dioxide, if the ear canopy ventilation is poor, it will result in a high concentration of carbon dioxide environment, the ear can not be properly formed, and grow into" Finger-like" fruit body. In the late period of ear growth, when the temperature is high and the humidity is high, it will cause "ear flow", so during the ear, keep the air in the ear shed smooth and the air is fresh. Since ventilation is inconsistent with heat preservation and moisturization, it is necessary to perform the ventilation according to temperature and humidity. Low temperature, low humidity, to reduce ventilation; high temperature, high humidity, to increase ventilation; in the continuous rainy days, we must always maintain ventilation, reduce humidity, to prevent "flowing ear."
Five, two ear ears management of hair Auricularia can be connected under normal circumstances 3 ~ 4 茬, 1 ~ 2 茬 quantity of high quality, 3 茬 after the ear is worse. After harvesting the first crop, in order to promote the rapid growth of the growth of the second crop of fruiting bodies, management should pay attention to the following aspects:
1. Clean up the ear base. After the first fruiting body is harvested, if the ear has not been decontaminated, when the temperature is high, mildew will appear, resulting in contamination of the bacteria and failure to regenerate. For this purpose, the whole surface of the bag should be cut off during harvesting, and the residual ear base on the hole should be removed with a knife.
2. Control of moisture and bacteria. The postharvest fungus bag should stop spraying water for 3 to 5 days, at the same time strengthen ventilation, and dilute the cover on the shade shed, increase the light, so that the surface moisture shrinks. The hyphae in the bag will continue to absorb nutrients and return to vegetative growth from the original reproductive growth. At this time, the temperature should be controlled at 24°C to 26°C to promote the rejuvenation of the bacteria and provide strong mycelial conditions for the second ear.
3. Humidity and lure. After harvesting the hairy agar, the moisture in the culture medium has been consumed. In order to induce the formation of primordium, a small amount of sprayed water must be sprayed with atomized water to remove membrane air and renew the air in the shed every day. At the same time, the use of temperature-stimulating stimuli, alternation between wet and dry, promote the rapid formation of primordia, and differentiation into ear buds, long Into fruiting entities.
After harvesting each fruit body, because the water and nutrient contents in the bag are relatively reduced, the number of water sprays and the amount of water sprayed must be increased accordingly, and some of the increased production factors can also be sprayed to increase nutrition and stimulate the ears. Hypertrophy, increase production.
The ear ear hair management key technology
Mao Aurian ears period in the annual 5 to 10 months, the production of high quality and high yield of hair fungus, scientific management methods are very important, the following hair ear fungus management of key technologies are as follows: