The occurrence of Pleurotus ostreatus deformity mushroom reduces the grade of the product and even loses the value of the commodity, which affects the economic benefits of the grower.

The common malformed mushrooms are: the cap of the cap is not tightly "fist-like", the handle is long and the fat is thick and the cap is small "vase-like", the cap is dehiscent and the cap is cracked outside the "broken bowl", and the cap is narrow and long "bull tongue-like", covering The surface was spotted with "macho-like", and the knobs in the lid were "bulging and bulging". The two lids had a "butterfly-like" shape with their lids bent. The lid was curved and "wavelike", and the lid covered the pleats and contracted "optically". Cover longitudinal groove groove "mushroom-shaped", number of mushrooms and Health "lotus-like". In addition, there is atrophy of the mushroom body, yellow discoloration of the mushroom body and so on. Abnormal mushroom appearance, the reason for summing up is that the cultivation of environmental conditions and Bailing mushroom physiological special requirements are not suited. The key lies in the poor coordination of temperature, humidity, light, and humidity during the fruiting period, and operational errors in management techniques.

Shed structure is irrational

The existing Bai Ling mushroom cultivation place has indoor mushroom house and wild mushroom shed. Often due to simple construction, the structure is irrational. Some mushroom house doors and windows are unidirectional, some vents open in the upper part of the wall, resulting in the indoor air does not circulate; some plastic greenhouses are provided with vents on both sides, but the vents are toward both ends of the wall; there are Although it has vents, it is only for insulation and has never been opened. As the air in the shed does not circulate, severe oxygen deficiency is caused, resulting in a deformed Bailing mushroom.

Improper stacking

The wall of the bag into the shelter is too high, that is, 10 bags of a yard, more than 1 meter; some of the bacteria wall filled with sticky soil, airtight; some filling water after the lack of water; some bacteria wall too thick, The middle is not filled with soil; in some cases, the wall is not cut by the head and cut into the wall, only 1/3 is cut into the wall, too little is cut, and the outer end of the wall is cut and the mycelium is not moisturized. Fruit body growth is inhibited. For example, in the northern wall of bacteria bags, there is insufficient water in the filling space between the bags. When water enters the winter, the water content is dry, and the water content in the bag is absorbed by the filling soil. The mycelium is dehydrated and the cap is not displayed or shrunk. The state of malformation mushrooms. The viscous soil compaction, poor air permeability, can not play a regulatory role in mycelium, but hinder the normal physiological reproductive activities.

Congenital nutritional deficiency

There are four types of performance: First, the raw and auxiliary cotton seed hulls in the formula, and the wheat husks are affected by moisture in the old age and the nutrients are degraded. The amount of nitrogen-containing wheat in the formula is less, and there is no adverse reaction in the early stage of mycelial growth, and the nutrition to the long-term mushroom can not meet the needs. The second is rancidity of the medium. The third is the evaporation of water within the bag and dehydration of mycelium. These are congenital malnutrition, so the output of the mushroom cap is thin, wave-like, or can not produce cover, color yellowish white mutant mushroom.

Inadequate pre-production period

Often due to the cultivators seeking eager for mushrooms, the mycelium has not yet been physically mature to stimulate the buds, causing premature birth malformations.

Recruiting techniques are not in place

Physiological maturation of mycelium also requires 0 ~ 13 °C low temperature stimulation for 10 to 15 days, during this period but also for 5 to 7 days above 10 °C temperature difference stimulation, in order to force the primordial differentiation into mushroom buds. This is a distinctive feature of the Bailing Mushroom. The grower often does not grasp this unique species, but the lack of low-temperature bacteria, temperature stimulation is not enough, resulting in fruit body development is inhibited and deformation. Some mushroom farmers in the december in early December when the buds, in order to keep warm, ignore the ventilation, severe anoxia within the greenhouse, the results of the mushroom handle up to 20 cm, mushroom cover tightly gripping, full of "pump mushroom" .

Lei Lei did not pay attention

Some people saw mushroom buds overjoyed, knowing that the buds were too dense to be removed. Some people worry that picking a bud will affect others; As a result of improper budding, the mushrooms are crowded with each other, and therefore there are variations such as butterfly-shaped, long-tongue tongue, and humpback mushrooms.

Long-term mismanagement of mushroom

Mushroom buds gradually differentiate into fruit bodies after emergence, often due to poor temperature, light, and gas regulation during the long mushroom period, resulting in the development of the mushroom body leaning obliquely on the side, or hunched or covered surface depressions, or spots, pockmarking, discoloration, and harvesting. Expired, the mushroom body is oversized and does not meet the grade.

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