Storage and fresh-keeping Technology of Lily bulb
First, select storage-resistant varieties. China is the country of origin of lilies, and there are many types and varieties of cultivation. There are mainly varieties such as Longya lily, Sichuan lily and lily lily. Among them, the white, flat ball-shaped, tightly clasped, sweet Sichuan lily is of good quality and resistant to storage. Lily is generally harvested in early November, dig out the bulb with a spade, remove the stalk and soil in time, and cut off the fibrous root. Newly dug bulbs should not be blown or insolated in the field to prevent discoloration and dehydration of the outer scales.
Second, pre-cold selection of fruit. The postharvest lilies should be shipped to a cool place in time and spread evenly on the ground to dry, dissipating the heat from the field to avoid product heat. The drying time should not be too long to prevent the discoloration of scales.
Stored lilies should choose bulbs that are white, fat, round, tightly clasped, without loose or scorched petals, and should be handled gently during operation to avoid injury.
Third, storage methods
1. Yellow sand stratification: first spread a thin layer of yellow sand or wet soil on the floor in the room (library), and then pile up the selected lily bulb with a layer of yellow sand, which is about 1 meter high, and cover it with yellow sand 20-30 cm above and around, so as not to expose the lily to the air. When the lily is buried in the yellow sand, it can play the role of spontaneous air control, inhibit respiration, maintain a certain humidity, regulate dry humidity, and prevent the infection of pathogens. During storage, it is necessary to prevent heating in the pile and try to control the lower temperature, which can be stored until the following spring.
2. Cold storage: the selected and pre-cooled lilies can be packed in boxes or sealed in plastic bags and then packed in cold storage or shelved storage. The storage temperature can be controlled at 0 ℃ and the relative humidity is 65-75%. It can often be stored until the following spring.
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Lily bulb propagation method
The life span of lily seeds is very short, it will lose its germination ability after half a year storage, and sowing seedlings need to be cultivated for many years to blossom. After sowing, lilies need to be cultivated for several years before commercial bulbs can be obtained. So generally use asexual reproduction to obtain the seed ball, and then plant the seed ball into the field to grow into commercial lilies. Bulbs are first cultivated into bulbs of 50 ~ 100 grams with various reproductive materials, and the number of years required varies according to the reproductive organs used. The following is a brief introduction to the methods of bulblet cultivation. The method of bulb cultivation is suitable for varieties that produce bulbs.
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Asexual propagation method of lily bulb
(1)Bulb natural propagation method: natural division of the mother bulb into a single bulb (2 - 5 different, each containing a growth point), planted in the field for one year, can grow into a larger new bulb, and then re-plant and reproduce, so repeated can be in line with the standard bulb. The disadvantages of this method are slow growth in quantity, large amount of seed used, serious disease and variety degradation, and the advantage is that the propagation time is shortened, and seed balls can be obtained in 1-2 years. (2)bulb propagation method: seed small bulbs into large ones
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