Postharvest Management Technology of Tulip
1. The main characteristics of cut flowers: the longer the cultivation time caused by low temperature at night, the longer the vase life of cut flowers.
2. The development stage of harvesting and cutting: the best picking and cutting period of tulips varies with different varieties. It is usually cut when the flower is colored with 1 stroke and 2 colors. Put it in an environment with a temperature of 2 ℃ and a relative humidity of at least 85% immediately after harvest.
3. Vase life: the short vase life is only 3-4 days and the long vase life is about 5-7 days.
4. The treatment method of antistaling agent: the fresh-keeping solution lengthens the flower stem too long and has little effect on prolonging the vase life. Therefore, antistaling liquid is generally not used.
5. Storage and transportation technology: dry storage (horizontal) or wet storage (vertical) at 2 ℃, the flower head is tightly wrapped in plastic film, but it is not suitable for long-term storage. Some varieties are harvested with bulbs at the green bud stage and can be stored for 2-3 weeks at 0 ℃.
6. Retailers and consumers' handling methods
(1) cut the flower stem again, insert the cut flower into 15-20 cm deep water, wrap the flower head in plastic film and hydrate at room temperature until the cut flower is firm.
(2) the vase life of cut flowers is the longest when stored at 2 ℃.
(3) the flower arrangement should be placed in a cool, windless environment, not near the stove. Tulips have phototaxis, and indoor light should be evenly distributed to avoid bending stems.
(4) do not put tulips and daffodils in the same container, otherwise the life of tulips will be shortened. Tulips may cause red and swollen palms, so you should be careful when handling them.
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Prevention and control of common diseases and insect pests of cherry blossoms
There are many kinds of diseases and insect pests in cherry blossoms. the common diseases and insect pests are as follows: perforated brown spot occurs from May to June, the leaves appear purple-brown spots, and then gradually expand into a circle, the spot becomes a small hole after drying and shrinkage, and the pathogen mostly winters on diseased branches and leaves, and the optimum temperature for development is 25 ℃ to 28 ℃. It is spread by wind, which is beneficial to infection in rainy season, weak tree potential, poor drainage and poor ventilation. The disease is serious. Prevention and control methods: (1) strengthen cultivation management and reasonable pruning
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Occurrence and Integrated Control of Tulip Diseases
Tulip is a perennial bulb herb of Liliaceae, also known as lotus, grass musk, peony lily and so on. It is one of the most popular cut flowers in the world. With the adjustment of industrial structure, tulip fresh cut flower bases have been formed in many places in Jiangsu Province. However, in the process of production, we found that every link may be damaged by fungal, bacterial and viral diseases, thus affecting the normal growth of plants, reducing the quality and ornamental of cut flowers, and when serious, it will cause destructive harm. Therefore, it is necessary to prevent the occurrence and development of tulip diseases.
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