Lily storage and preservation technology
(1) Selected Natto-storage Varieties China is a country of origin of lilies, and there are many types and varieties of cultivation. There are varieties of dragon teeth, lily and lily. Among them, Chuan Lilies, which are white, flat, compact, and sweet, are of good quality and are resistant to storage. Lilies are generally harvested at the beginning of November, bulbs are digging out more frequently, stems and soil are removed in time, and fibrous roots are cut off. Lily is not tolerant to wind and sun exposure. New bulbs must not be blown in the field or exposed to sunlight to prevent discoloration and loss of water in the outer scales. (II) Lily after pre-cooling selection After harvesting, the lily shall be transported to the shade in a fashion, spread evenly on the ground, and spread to disperse the heat brought by the field to avoid heating of the product. The drying time should not be too long to prevent discoloration of the scales. Stored lily should be selected color white, a hypertrophy, spherical round, cohesion close, no bulk flap, coke flap bulbs, operation should be gently to avoid damage. (3) Storage methods 1 Layering of yellow sand First spread a thin layer of yellow sand or wetness on the floor inside the room (library), then select a layer of yellow sand on the bulb layer of the lily, and store about 1 meter in layers. High, cover 20-30 cm with yellow sand above and around, and keep the lily out of the air. Lily is buried in the yellow sand, which can play a role in spontaneous air-conditioning, so that the respiration is inhibited, while maintaining a certain humidity, and can play a role in regulating the humidity, but also can prevent the infection of pathogens. During the storage, it is necessary to prevent heat generation inside the reactor and try to control the lower temperature. This method can be stored until the following spring. (2) Cold storage The selected and pre-cooled lily can be packaged or sealed in a plastic film bag and then placed in a cold storage stacking or shelf storage. Storage temperature can be controlled at 0 °C, relative humidity 65% ​​~ 75%. It can often be stored until the spring of the following year. In California, the refrigerated storage of Lilies of the Easter Lily is placed in a polyethylene film box filled with dry peat. The storage period is extended by several months at a temperature of -0.5°C. Plastic films prevent water loss, inhibiting the development of rooting, sprouting, and disease from peat and low temperatures.
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