The latest tulip planting techniques tutorial
Tulip is a perennial bulb herb of Tulip in Liliaceae. About 200000 bulbs of 23 Dutch tulip varieties were introduced into Shenyang in 1997. The results show that tulip has normal growth and development, blossoms well, can survive the winter safely and has certain resistance, so it can be used in flower bed and potted flower planting, make up for the shortage of early spring flower varieties in Shenyang and enrich Shenyang flower varieties. However, because the soil in Shenyang is sticky and heavy, planting in a large area is easy to cause bulb degradation, so the soil should be improved in advance and organic fertilizer should be applied to promote the reproduction and flowering of new bulbs.
Biological characteristics of Tulip
Tulip is native to Central Asia and North Africa. There are about 150 species of tulips, which are long-sunshine plants. Like sufficient sunshine, good drainage, rich in humus loose and fertile sandy soil and other conditions, avoid alkaline soil and continuous cropping, generally planted in autumn, after underground overwintering, spring April-May flowering, strong cold resistance, winter can withstand the low temperature of-35 ℃, tulips can bloom naturally in spring after overwintering in the open field. Tulip plant height 15 ℃ 60 cm, a variety of colors, flower diameter in 25 ℃ 60 cm, mostly single flowers, the temperature can grow above 5 ℃, the best growth at 10 ℃-20 cm. The growth and development of tulips in northern China can be divided into three stages:
1. The development period of root system and bulb.
2. Bud growth and flowering and fruiting stage.
3. Dormancy of bulb and differentiation period of bulb and flower bud. It is generally planted in mid-late October, can sprout in late March, bud in mid-late April, bloom from late April to early May, mature bulbs and seeds from late May to early June, and enter dormancy period in mid-late June.
Planting and management methods
1, soil preparation and bed making: at the end of September, turn the ground to make a 25 cm deep bed, then spread a layer of 15 cm thick moist rotten leaf soil, and carry on disinfection. In the middle and last ten days of October, the bulbs were sown according to the row spacing of 15 cm × 15 cm, and then covered with soil flush with the ground, and then sprayed with water once after a week to make the soil moist. Watering should be appropriate to prevent rotting roots and balls. In early December, tulips have taken root in the ground and entered the hibernating period. Before the beginning of winter, tulips are watered with frozen water again. After that, there is no need to take any cold protection measures.
2. Fertilization and watering: after germination in the next spring, dilute fertilizer and water were irrigated once, and fully watered at the same time, so that fertilizer and water were evenly distributed in the soil layer to facilitate root absorption. After the flower stem is extracted, apply cake fertilizer and water once a week, spray 0.5% potassium dihydrogen phosphate once before flowering, reduce the watering times after flower fade, keep the soil not dry and wet, promote the formation and enrichment of renewed bulbs, and prevent rot caused by spraying fertilizer and water on the leaf surface when fertilizing.
3. Digging and storage of bulbs: underground bulbs were planted in the middle of June when the plants were withered and yellow (bulbs and seeds were fully developed and matured after 15 days of renewal). Do not touch the seed ball when pilling, and then dry the seed ball in the sun for half a day to fully evaporate the surface water and kill the miscellaneous bacteria on the surface of the bulb. after classification, it is stored in a cool and ventilated place to be planted in autumn.
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