Peony is a traditional Chinese flower and is called "after flower." Its bright and beautiful, long time bottle. In recent years, peony has become more and more popular among flower growers. First, the cultivation and management of cut flower peony 1. Breeding methods. The breeding of cut flower varieties of peony is mainly based on ramets and seedlings. This method is effective and can guarantee the characteristics of cultivars. 2. Requirements for ramets. The season of the ramets is appropriate around the month of October each year, from white dew to early winter. When cultivating, use their natural texture to carefully separate, each plant generally retains 3-5 shoots, cut rot roots and unnecessary large roots. Be careful not to bump the buds in the ramets. After pruning the good ramets, dry them slightly with a piece of ash. Or soak with a 50-100-fold carbendazim solution for 30 minutes to kill the epiphytes. 3. Variety selection. Appropriate varieties of peony should be selected for cut flowers, such as gold wheel, iceberg, jadeite, spring dawn, morning bath of Linghua, Shanhehong, Zhuyehong and Hongfeng. 4. Planting. Row spacing is planted at 70 cm and 70 cm. The depth of the hole is 20-24 cm, and the diameter of the hole is 18 cm. The seedlings were then placed in the hole, while the soil was filled and the seedlings were gently lifted. The standard mentioned above is that the bud tip is appropriate to the surface of the soil. Finally, fill the soil, make it strong, and seal the land to facilitate the winter. 5. Field management. In early spring, we must squat once and dig the earth mound that was planted when we planted it. Take care not to injure the buds, and do not expose the bud tip to the surface of the soil prematurely. Weeding and weeding should be carried out 8-10 times a year, combined with rainfall to control the depth and frequency of the depression. It requires a large amount of fertilizer, generally divided into three pre-flowering, post-flowering and wintering fertilization. With overwintering fertilizers as the mainstay, wintering fertilizers compost 2-3 square meters per 667 square meters and 150 grams of cakes. After the top dressing, it is usually sprayed with 0.1%-0.2% potassium dihydrogen phosphate solution once every 5-7 days after the leaves have been sprayed. The peony is a fleshy root, which is more resistant to drought. It is necessary to pay attention to drainage during the rainy season and keep the soil dry and wet. Cut flower bud medicine must be timely removal of side buds, buds in the growth period, should be promptly sprayed to remove mucus. 6. Pest Control. 1 Leaf disease. There are black spot, gray mold, erythema and so on. Control methods: Regularly spray 50% carbendazim 500 times. 2 root diseases. There are white tinea and purple feather disease. Control methods: implement crop rotation to reduce weight loss; drain water in time to avoid stagnant water; use 50% carbendazim WP and 70% thiophanate-methyl WP to disinfect water at a ratio of 1:1000 before planting; The diseased plants were found, promptly removed and the surrounding soil was sterilized to reduce the infection. 3 Insect pests. Root pests are mainly crickets and are the most serious from April to September. Control methods: Combine fertilization with 15 kg of carbofuran granules per 667 square meters. Leaf pests are aphids. Control methods: Spray foliar fertilizer and add dimethoate or omethoate EC to eliminate aphids. Second, picking and cutting of fresh cut flowers of peony should be performed after the dew has dried in the morning. Choose tight, color buds for storage, or select buds that are loosely cut to sell. Double flower should be cut later than single flower, red varieties should be cut later than white varieties. When harvesting, when the length reaches the required standard, the leaves on the mother plant should be left as much as possible in order to ensure that the photosynthesis continues, so that the root system will no longer rot, and to ensure the production of the next year. China Agricultural Network Editor
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