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.

First, asexual reproduction

The dwarfing effect can be achieved by using vegetative propagation methods such as grafting, cuttings, and layering, shortening the flowering stage, reducing plant height, and compacting the 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, pruning

Through shaping, remove the main branch of the plant to promote its germination side branch, and then cut too many poorly developed side branches in order to achieve full plant type, low plant height, and improve ornamental. Roses, rosettes, rhododendrons, and foliage are used for dwarfing. The narcissus dwarfs the dwarfs by stinging and carving.

Third, control fertilization

The timely application of phosphorus and potash fertilizer to potted plants, less nitrogen fertilizer, and control of vegetative growth of plants to achieve dwarfing.

Fourth, artificial Qugan

Artificially distort the branches, so that the plant nutrient transport channels are blocked, slowing down the growth rate of the plants, and reaching the low level of the flower plant type. Generally used in the production of small bonsai more.

Fifth, the use of plant growth regulators

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.

Six, radiation treatment

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.

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