(1) The choice of nursery land: The nursery land is best to be flat on the topography, convenient for drainage and irrigation, with deep plowing layer and more fertile slightly acid to slightly alkaline sandy loam or loam. To raise seedlings in the mountainous area, we must do a good job of terraces to prevent soil erosion. Where the layers are shallow and the soil is thin, poor drainage or heavy soil is not suitable for seedlings.
The honeysuckle seedlings like the slightly acidic soil, can raise the seedlings below pH 7.5, and can't raise the seedlings above pH 8.
After the nursery is selected, planning, zoning, and arranging irrigation and drainage facilities should be based on topography, terrain, and the size of the mission.
(2) Seed collection and treatment: The honeysuckle fruit is berry and matures from August to October. After stacking, the piles are piled up to a thickness of 30 cm or less. Seeds after 5-7 days of ripening, washed into the water to wash the skin and pulp, placed in the shade to dry. Do not expose to the sun, and then go to the fleas for storage.
Each berry contains a large amount of seed, with a small number of one, more than 15, an average of 6.1 grains, 7000-8000 grains per kilogram of berries, out of about 130 grams of pure seeds, 350000-370000 per kilogram of seeds grain.
(3) Storage of seeds: Seeds must be properly stored to prevent spoilage or rat damage. Seeds sowed in winter can be stored in bags and sown before freezing. The seeds sown in spring can be stored by sand storage.
1 Ditch method: Select a high ground, deep soil, south wall roots of the shade, dig 40 cm in depth and 50 cm in width, depending on the number of seeds. First spread 5-6 cm thick wet sand on the bottom of the ditch. Sand's humidity is in hand and it is better to loosen it. Mix 1 part of seeds and 4 parts of sand into the ditch. Place a straw mat on the top and cover with lO cm thick sand (this is convenient for checking the seed, and it will not mix with sand again). The top cover is about 15 centimeters. Thick earth makes it arc. If the number of seeds is large, a straw (diameter 5-6 cm) should be placed every 1m, and the bottom of the ditch should pass through the ground to open the air to prevent mildew.
2 wooden box sand method: If the number of seeds is not much, wooden box can be used instead of ditch storage. The method of dressing seed and sand is the same as the ditch method. Put the wooden box on the ground 20 centimeters from the wall. It is made of bricks on three sides. It is also 20 centimeters away from the wooden box. It is filled with sand all around, 20 centimeters higher than the wooden box, covered with straw mats, filled with wet sand, and cultivated. Curved, covered with plastic sheeting to prevent rain from entering.
During the storage of seeds, the humidity of the sand should be regularly checked, especially after the beginning of spring. The humidity of the sand reservoir is not easy to be too large in the early stage, otherwise it is easy to make the seed mild. If the sand is slightly dry after the beginning of spring, it can be properly sprinkled with water.
The time for seed layering is generally 35-45 days. Calculate forward based on the local planting date, plus the number of strata days, which is the date when the stratification begins. If sowed in mid-March, stratification will begin in late January or early February. If the seed layering time is too long, the management is inconvenient and there are many opportunities for mildew, and long-term stratification can reduce the seedling emergence rate.
The stacking temperature is suitably 2-7°C, and cannot be lower than 5°C and higher than 15°C.
(4) Warm water soaking: This method can be used if for some reason it is forgotten, but it is near the sowing date. In early March, soak the seeds in warm water of 35-40°C for 24 hours, remove and mix 2-3 times wet sand, cover the plastic film, and place germination in a warm place. When the seed crack rate reaches 50%, it can be sown. This method has a 20% to 30% lower seedling emergence rate than Shazang, and the emergence is not neat.
(5) Site preparation: The nursery should be deep-turned in the late autumn or early spring, and the base fertilizer must be applied. Normally deep-turning 50 cm, 6000-7500 kg/mu of base fertilizer, 40-50 kg ammonium bicarbonate, fine leveling, removal Residual weeds. If basal deficiency is sufficient, it can also be applied in the spring.
In order to prevent and control underground pests, each acre can be sprinkled with 1.5-2 kg of an enemy powder, or 0.15 ppm of phoxim emulsion. 25 kg. If it is an old nursery, some zinc sulfate and ferrous sulfate can be properly applied to prevent seedling disease. The seedlings are cultivated in flat hoe, with a width of 1 meter, a width of 0.2 meters and a length of 1.5 meters.
(6) sowing: winter sowing should be in the soil before freezing, spring sowing is generally in mid-March. Winter sowing is germinating early, is deeply rooted, has strong drought resistance, and seedlings grow well. However, due to the small seed size, shallow cover soil, and vulnerability to bird damage, they are often not fully emerged and measures to prevent birds should be strengthened.
The use of mandarin sowing, seed amount 1.0-1.2 kg per acre. First leveling the surface, flood irrigation, etc., after the water infiltration, the sand will be stored, and then mixed with 1 times the sand, evenly spread into the mortar, fine sand. 5-0.7 cm, and then cover the straw to prevent cracks in the enamel panel.
(7) Management after sowing: Since the honeysuckle seeds are very small, before the seedlings are unearthed, cracks in the soil should be strictly prevented. At this time, during the spring windy dry period, water should be sprayed with a watering can every morning or evening. When the seedlings are unearthed at about 30%, the grass cover will be removed and the seedlings will be flushed before they can be filled with water. 15-16 thousand plants per acre. In the future, we must constantly manage weeding, loose soil, and watering.
During the growth of seedlings, depending on the seedlings topdressing urea 2-3 times, each time 7.5 a l0 kg per mu. When the seedling height 15-20 centimeters, picking up the heart, triggering new shoots, 2-3 times in a row, until July, each plant can have 4-8 branches, the rainy season can come out of the planting.
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