Lily mite
Also known as acaroid mite. Gnawing on lily bulbs, spreading germs, causing lily bulbs to rot.
The lily mite is oval, thick, white or yellowish, and the jaw and feet are light brown. The body surface is smooth and shiny. Lily mites like to live in a warm, cool and humid environment. It takes about 14 days to complete a generation, and more than 20 generations can occur in a year. Overwintering with eggs and adult mites in lily cores or soil. The first and middle of April are the periods of mass occurrence of mites after overwintering. Female mites lay eggs on lily bulbs. The adult mite colony feeds on the lily bulb, which makes the bulb in the shape of sieve hole, which makes the aboveground part of the damaged lily die, and the bulb and root turn dark brown and rot.
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Common Physiological Obstacles of Cut Lily Flowers
1. Yellow leaves and deciduous leaves caused by poor soil permeability, followed by salt accumulation, root damage caused by excessive watering, nutrient deficiency, excessive fertilization, water stress, low temperature and other reasons; therefore, improve the soil before planting, and avoid excessive watering. 2, leaf burning phenomenon occurs in addition to varieties, mainly due to excessive fluctuations in temperature, light, moisture, humidity and other factors; calcium deficiency and excessive fluorine content will also cause leaf burning. Therefore, in the daily management, especially in the facility cultivation tube
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Cultivation techniques of pot cut flowers in open greenhouse of lily
The lily is a cold-resistant bulb flower of the lily family, which is light-loving and fertile sandy soil. It has peculiar flowers, many colors and beautiful colors, and potted flowers are used for both purposes, giving people a sense of wealth and elegance, which is very lovable. It can be planted all the year round, with large flower yield and high economic benefits, and it has developed rapidly this year. But the first growers often have poor growth, few flowers and diseases. For this reason, combined with the planting practice, the author briefly describes the following pot cut flower cultivation techniques of lilies in open greenhouse. I. planting method and time, no matter whether lily is planted in open field or in greenhouse, the sand with good fertility and good permeability should be chosen.
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