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First, asexual reproduction using grafting, cuttings, layering and other asexual reproduction methods can achieve dwarfing effect, the shortening of the flowering stage, plant height, compact plant type. Grafting can be achieved by selecting dwarfing varieties for dwarfing. The cutting height can be determined by taking the cutting time into consideration. For example, the chrysanthemum can be dwarfed to control descent in late July. In addition, the tall planted dahlia can be planted in a pot with a diameter of more than ten centimeters using the budding method. The plant height is only a few feet long and the flowers are bright and colorful. Chrysanthemums reproduce stunted by keratin buds.
Second, plastic trimming Through plastic surgery, in the plant young hours remove the main branch to promote its germination of lateral branches, and then cut too much of the poorly developed lateral branches, in order to achieve full plant type, plant low, improve ornamental. Roses, rosettes, rhododendrons, and foliage are used for dwarfing. The narcissus dwarfs the dwarfs by stinging and carving.
Third, control fertilization potted flowers timely phosphorus, potassium fertilizer, less nitrogen fertilizer, control plant vegetative growth, dwarfing.
4. Artificially twisted stems artificially distort the branches, so that the nutrient transport channels of the plants are hindered, and the growth speed of the plants is slowed down, so that the flower plant type is low. Generally used in the production of small bonsai more.
Fifth, the use of plant growth regulators six, radiation treatment
1. Spraying a series of red plants with paclobutrazol can shorten the internodes, reduce the leaf area, and deepen the color of the leaves, thus changing the phenomenon of high stem thinness, sparse flowering and severe flowering of a series of red plants, and increasing ornamental value. . In addition, snapdragon, chrysanthemum, and other dwarf flowers are often used. 2. Treating a bunch of red plants with diaminos can reduce the plant height by 26%, and the stem segments become shorter, the number of branches increases, and the ornamental quality increases. 3. Treatment of plants with B9 can inhibit the vegetative growth of morning glory, making it 61.5-67% dwarf during vegetative growth and 40.5% dwarf at full flowering stage, thus making the plant type dwarf, compact and blooming. concentrated. 4. Using chlormequat to inhibit the vegetative growth of petunia flowers can make the plant type dwarf and improve ornamental quality.
Some flowers can also be treated by radiation to alter the growth of the plants to achieve dwarfing. For example, the treatment of narcissus bulbs with Y rays can control the growth of daffodils and dwarf daffodil plants. Treating a beauty coke with 60°C can reduce the height of the canna 30-50 cm and increase the ornamental value.
Flower dwarf six cultivation management techniques
With the development of the flower industry, miniaturized and compact potted plants and bonsais are becoming more and more popular among people. Therefore, the dwarfing technology of flowers shows more and more vitality. The main technologies for dwarfing cultivation are the following six items.