Cultivation of Jintuan Carnation
Jintuan carnation is a herbaceous flower of Caryophyllaceae in 2012. it likes light and cold but is not resistant to heat and poor growth in summer. The inflorescence is fascicled, the flower color is bright, the height is about 70 cm, the cut flower is of good quality.
First, sowing: you can sow in spring and autumn, and autumn sowing seedlings grow better than spring sowing seedlings. Sow seeds in the open field seedbed in September and cover with a thin layer of soil after sowing to keep the soil moist. It can germinate in about 7 days under the condition of 20 ℃ to 25 ℃, and the germination rate is more than 80%.
Second, cultivation and management: the seedlings are transplanted when 4 pairs of leaves are grown, and as cut flowers, they can be directly transplanted to the nursery according to the row spacing of 15 to 20 cm. Carnation avoid waterlogging, nursery land as high as possible, smooth drainage. Proper amount of rotten cake fertilizer can be applied as base fertilizer before transplanting. A compound fertilizer with a nitrogen: phosphorus: potassium ratio of 1:1:1 can also be used. After being moved, enough water was poured, and after the seedlings survived, the compound liquid fertilizer of nitrogen, phosphorus and potassium was applied every 7 to 10 days, and 0.2% potassium dihydrogen phosphate aqueous solution was sprayed about 10 days. During the open field overwintering, the plants were not fertilized and watered less, and the amount of water gradually increased when the temperature rose in the next spring, and the compound liquid fertilizer was applied once in about 10 days. Pick the heart twice in the process of growth to promote tillering and increase flower yield. Flowers can be picked and put on the market in April and May.
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Water-saving Ground Cover--Dianthus oxyphylla
Most areas in northern China belong to resource-based severe water shortage areas, with per capita water resources of less than 300 cubic meters, only 1/8 of the national average level, and far below the international water shortage limit of 1000 cubic meters per capita. With the vigorous development of landscaping, the water consumption of greening is increasing, which is in contradiction with the shortage of water resources in northern China. Dianthus oxyphylla has good drought resistance and is a good water-saving plant material in landscaping. After calculation, the annual water consumption of Dianthus oxyphylla per square meter is only 0.
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Breeding Management of Carnation in the United States
Propagation methods: sowing and cutting propagation. 1. Sowing and breeding can be done in spring and autumn. The seeds were sown in the open field from September to October in autumn. The optimum temperature for germination was 1-0: 20 ℃. American carnation seedlings need one and a half months of low temperature vernalization to differentiate flower buds, so they do not blossom in spring, but only grow leaves, and can not bloom until the early summer of the following year. It is suitable for seedlings to grow 2~3cm before frosting. Sow seeds in the field, sowing 200 seeds per square meter. If the seedlings are produced, they can be doubled to 400 per square meter after they are grown. Sow seeds in the greenhouse.
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