Seed bulb propagation technique of tulip
The propagation methods of tulips include bulb propagation, seed propagation and tissue culture. the latter two methods take a long time (seed propagation takes 5 years to blossom) and high cost, except for special uses such as breeding new varieties, detoxification and so on. the method of bulb propagation is generally used.
Agricultural technology recommendation.
The bulbs harvested in June were dried and stored in 5-10 ℃ cold storage. Attention should be paid to ventilation.
Tulip likes sandy loam with loose soil and good air permeability. The place with good drainage, plenty of sunshine and fertile soil should be chosen for ball reproduction, and the best pH is between 6.6 and 7. Soil preparation should be carried out before planting, 8-10 cubic meters of rotten farm manure should be applied before land preparation, and then rotary ploughing with tractors should be used to stir the soil and farm manure evenly.
In autumn, when the temperature of the 15cm soil layer drops to about 9 ℃, the bulbs will be planted. The plant spacing is 7 cm × 11 cm, and the thickness of the covered soil is 4-5 times that of the bulb. Immediately after planting, water it and cover it with straw to make it easier for the ball to survive the winter in the field. The mulch was uncovered at the beginning of March and the new buds emerged and began to grow.
After the soil is thawed in early spring, new buds sprout and be sprayed once a week to prevent diseases and pests, especially aphids. Topdressing once every two weeks, irrigating the root with calcium nitrate or potassium nitrate 2-5% liquid fertilizer. Stop watering until 4 weeks before dormancy.
When the plant is completely dry, the bulbs are raised, graded according to different specifications, spread evenly and dried naturally, and should not be mixed or boxed first. Store in a 20-25 ℃ ventilated and dry place for about 2 months, and the air relative humidity shall not exceed 80%.
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Local techniques for propagation and cultivation of tulips
Producing area and habit tulips prefer loose and fertile sandy soil with high dryness and good drainage, growing well in leeward and sunny places, but should be properly shaded in summer. Cold-resistant, moisture-resistant, do not like the sun, winter temperature in-3 ℃-5 ℃ fashion can grow, strong adaptability. The flowering period of tulip can be divided into early, middle and late, early flowering in March and April, middle flowering in April and May, and late flowering in late May. The florescence is short. Tulip is a spring bulb flower with early flowering and bright colors. It is a beautiful flower embellished with spring scenery.
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Out-of-season soil-covered bag planting technique of Lentinus edodes
Soil-covered bag cultivation of Lentinus edodes is a new mode of Lentinus edodes cultivation. The Lentinus edodes cultivated in this model has the advantages of good mushroom shape, high yield, easy to produce mushrooms, time-saving and labor-saving. It is also a more advanced method in the cultivation of Lentinus edodes at present, especially the off-season soil-covered bag cultivation of Lentinus edodes to produce high-quality Lentinus edodes in summer and autumn, with high market price and good economic benefits. The technology has been tested and popularized in the north of Guangdong province, and the effect is good. The techniques of off-season soil-covered bag cultivation of Lentinus edodes are introduced as follows: first, the seasonal arrangement has the advantages of high temperature resistance, round mushroom, thick meat, thick mushroom stalk and high yield.
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