Technology of promoting flowering of Tulip
Tulips are planted in the natural environment and generally bloom from March to May. In order to make tulips blossom during the Spring Festival, the following technical measures should be taken.
The choice of planting balls: in October, choose disease-free insects, enrich the enlarged bulbs, and remove the brown outer skin.
Disinfection of seed balls: before low temperature treatment, soak in the 800 times solution of 75% chlorothalonil wettable powder for 15-20 minutes, then dry naturally.
Low temperature treatment of bulbs: tulips grown in natural environment have a natural dormancy process. in order to make tulips blossom early in the Spring Festival, they must be treated at low temperature for a period of time. The method of treatment is to push forward the flowering period of the Spring Festival for 3 months, select the seed bulb to promote cultivation, wrap it in clean sandcloth, put it in a foam box, place it in a cold room or freezer, and give it a low temperature of 1 ℃-3 ℃, so that the seed ball can pass vernalization. After 45 days, the seed balls were taken out from the freezer and fertilized to cultivate the soil on the pot. The cultivation soil is required to be loose and breathable, containing more phosphorus and potash fertilizer: use a small basin with a caliber of 20 cm, each basin can grow 4-5 balls. When planting, the top of the bulb is slightly lower than the soil surface.
After planting the ball in the pot, pour water thoroughly, move it into the room, and first put it in a low temperature and semi-shade place. In the first seven days, the temperature is kept at 8 ℃-12 ℃, and then it rises slowly, the temperature is between 15 ℃-20 ℃, and gradually moves to the place where the sunshine is sufficient. During this period, the foliage grows rapidly, it is necessary to keep the basin soil moist, topdressing 2MUE 3 times, it will soon be able to heading and budding. During budding, the temperature should be 20 ℃-23 ℃, not less than 20 ℃. During the whole flowering period, the night temperature is not less than 8 ℃, under this condition, tulips can blossom as scheduled during the Spring Festival.
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Postharvest treatment of tulips
Flower growers pay more attention to cultivating high-quality products, but do not pay much attention to harvest and postharvest treatment. So as to make the previous work worthless. To this end, I wrote this article. When harvesting the dewy bud, the plant stores nutrients in its stem for its flowering. If the plant is harvested before it is too mature, the nutrients in its stem will not be stored enough, so it will not be possible to bring the desired effect to future consumers. Harvested through the use of the ball
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Tulip promoting cultivation method
When the tulip bulbs were stored in 9 ℃ boxes for a period of time, the flower buds could germinate 7 to 10 days earlier than those directly planted in soil. Because it is very important to give a certain low temperature treatment to the tulip bulb. In general, within a few weeks, the treatment temperature should be gradually reduced from 9 ℃ to 7 ℃, 5 ℃, 2 ℃, so that it could accept the necessary low temperature before entering the greenhouse for cultivation. The bulbs, which were treated in 9 ℃ boxes, began to grow and elongate as soon as they were planted in the soil in the greenhouse. The reason is that
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