Cultivation of Magnolia paniculata
Cymbidium is an evergreen herb of Liliaceae, with clumps of plants, fleshy short rhizomes, slender leaves, striped lanceolate, bright green, with broad yellow-white longitudinal stripes in the middle; racemes terminal, florets white.
The golden orchid likes the warm and humid semi-overcast environment, is not resistant to cold, and is afraid of being exposed to the hot sun. When it is hot in summer, it should be kept under the shade or in the shade. Daily cultivation should keep the basin soil moist without stagnant water, and create a small environment with moist air. Apply mature thin liquid fertilizer or compound fertilizer every 20 days or so. Do not splash the liquid on the leaves when applying fertilizer. If the temperature is not less than 10 ℃ and there is a certain temperature difference between day and night, it can be watered normally and apply thin fertilizer once a month. If the room temperature is less than 10 ℃, watering should be controlled and fertilization should be stopped to make the plant dormant. Change the basin every spring, the basin soil should be loose and fertile, rich in humus, good drainage permeability of sandy loam. Remove rotten roots and old roots that have no absorptive capacity when changing pots.
The propagation of Cymbidium is mainly divided into plants and cuttings, which is generally combined with changing pots in spring. the method is to divide the tufted plants into several plants and plant them separately. Cuttings are carried out in the growing season, cut off the small plants at the front of the stolon and plant them in a pot. No matter cuttage or plant propagation, the new plants should be placed in a place where there is no sunshine after planting, and then normal management will be carried out after the root system is restored.
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Cultivation techniques of Persian Chrysanthemum
Perennial herbs, often cultivated perennially, sowed in four seasons in greenhouse, sowed in mid-November and flowered in mid-April; sowed in early January and flowered in mid-May; sown in early April and flowered in early July; sowed in early July and flowered in early September Sowing in late September, flowering from April to May, without soil mulching, soaking method, the optimum temperature for germination was 20: 25 ℃, the growth temperature was 10: 30 ℃, 4 true leaves were transplanted and once coring after planting, the flowering period of sowing in early autumn was the longest, and the flowering period was from April to October. It can be used for potted plants, flower beds, balconies and floors.
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High pressure propagation of Magnolia mandshurica
1. Articles to be used: culture soil (according to volume ratio, the ratio of vegetable garden soil, moss and old bran ash is 1: 0.5: 1, mix well with water, knead into a ball by hand, slightly show watermark, but not drip); branch scissors; grafting knife; plastic film (30 cm long, 25 cm wide); small brown rope, etc. two。 Mother tree selection: select adult trees with a height of 160-200 cm (easy to operate), strong growth and dense branches. 3. Pressing time: the most from early April to early May
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