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How to preserve fresh flowers

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How to preserve fresh flowers? Can you use vacuum packaging machine for packaging? If you have good suggestions, I hope you can give me more advice. Thank you. Thank you @!!!!!!!!!!!!!!!! I’m so tired. Thank you

fresh and tender peanuts are one of the most difficult agricultural products to store at room temperature. At present, there are two mature and feasible preservation methods in China. One is to use cold storage for low-temperature quick freezing, and the other is vacuum packaging after precooking. The former has large investment, while the latter has cumbersome technology, which is not suitable for simple product processing in China’s flower production areas. The method of preservative assisted sand storage and preservation invented by farmers in Luxi, Undoubtedly, it has found a new way to increase the income of farmers’ peanuts
preparation of preservative: according to the production and marketing principles of green and pollution-free agricultural products, it is recommended to use 0.5% glycan aqueous solution as preservative. Glycan is a white crystalline powder made from edible plants such as sweet taro and seaweed through acid hydrolysis. Its aqueous solution has many effects such as insect prevention and corrosion prevention, and can effectively prolong the fresh-keeping period of fruit and vegetable products at room temperature. First dissolve glycan in water to prepare a 5% aqueous solution, and then add boiling water to prepare a 0.5% aqueous solution
preservation treatment: mix the dried Xisha with 0.5% fucoidan aqueous solution to make its water content 30% – 40%. After removing the seedlings and roots of the freshly unearthed fresh and tender peanuts, take the soil and store them fresh with one layer of sand and one layer of peanut fruit according to the proportion of 1 cubic meter of Xisha per 0.5 mu of product. There is no need for manual management such as temperature and humidity control.

(1) keep the water clean, change the water every day, cut the roots and expose new stubbles, and remove the excess leaves from the parts soaked in water
(2) sectioning, burning and scalding
sectioning: for woody plants, cross can be sectioned at the flower foot, or split or smashed to expand the water absorption area
burning: poinsettia and other flowers will flow white pulp at the incision after cutting. If they are not stopped, the flowers will decay quickly. They should be burned on the fire to prevent the backflow of nutrients. Roses, plum blossoms, peonies, cloves, etc. are also applicable
scalding: soak in hot water for a while, which is conducive to water absorption, sterilization and anti-corrosion. Generally, scald in 80 ‘C water for about 30 seconds. Gladiolus, evening jasmine, dahlia, chrysanthemum, gerbera, carnation, etc
(3) water shear method; Also known as deep-water first aid method
cut the roots of dehydrated flower branches in water, and recover the dehydrated flower branches by using the principle of high deep-water pressure and no air blockage in the conduit in water
note: after cutting, let the flower branches absorb enough water in the water for 15-20 minutes before taking out the water
(4) sterilization
putting alcohol, potassium permanganate, camphor, boric acid, citric acid, salt and alum into water can play a role in sterilization. Only if the water does not rot and deteriorate, can plants absorb water and keep fresh
note: it must be prepared into a solution and then reused. It cannot be insoluble. It can be directly put into water. When using salt, pay attention not to be too high
(5) nutrition method
after the flowers are cut from the mother, they lose their nutritional source and cannot open. Sugar, beer, aspirin, vitamin C and other nutrients can be added. Sugar is the source of nutrition and can keep the color bright
(6) spray and injection method
for many flowers with hollow stems, the flower foot can be placed under the faucet for forced irrigation, or the needle can be used for water injection for fresh-keeping, such as lotus, lotus, gerbera, Calla Lily, daffodil, etc
(7) stay away from ripening agents – ethylene
we will not buy vegetables and fruits that are not ripe, but ripe fruits and vegetables and fallen flowers will release a large amount of ethylene, leading to flower decay
avoid direct sunlight in summer and away from the air outlet in winter.
(9) water quality
hard water and alkaline water are not good, fresh water and slightly acidic water are better, preferably treated soft water, tap water should be placed for a period of time, and the pH value should be between 3.5-4.5, so as to reduce microbial reproduction and enhance the attraction of stems
(10) fresh keeping temperature
about 10-12 ‘C for tropical flowers, such as Anthurium andraeanum, bird of paradise and orchid
ordinary flowers are about 5’c, such as roses, chrysanthemums, etc.

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