Summer and autumn management of Dujuku

July and August are the period of colonization of the single plant of Chrysanthemum, and it is also the key to the cultivation of the single chrysanthemum. In the autumn, the main flower of the single-planted chrysanthemum grows into a long-term and enters comprehensive conservation management. The management of chrysanthemum in summer and autumn directly affects the quality of chrysanthemum. The main techniques are briefly described as follows:
First, the summer plant colonization
From mid-May to early-June, the mother plants were picked up in stages, their lateral buds were wiped off, and foot buds were promoted. In mid-July, foot buds emerged as new strains, about 10 centimeters high. At this time, new strains should be selected in time and replaced by the chrysanthemum pots. The new plant requires sound development, plump heads, and strong growth. Care should be taken not to select new plants with long internodes, sparse leaves, and thin growth, and not to select new strains with dense foliage, leaf fertilizer, and insufficient shoots. Such plants have poorly developed buds, slow joint growth, and low flowering plant types. Dwarf, the lower leaves are hypertrophic, the upper leaves are thin, and the flowers are thin. Do not choose Liu Liu head, that is, false buds. From late August to early September, willow buds begin to appear. Once it occurs, it will not bloom. The avoidance method is mid- and early-flowering varieties, and the unsuccessful emergence of new shoots from the stems, bases, and shallow soils of the mother plants was not selected.
Second, the autumn maintenance
1. Upper basin
In mid-July, the selected sprouts and their mothers were changed to the chrysanthemum pots. If the roots had grown too much during transplanting, the roots had been wrapped and the outer roots had to be cut. Before the upper bowl, the scullery under the 1 cm thick culture soil screen was used as the drainage layer. Pot soil with ordinary culture soil plus 0.5% of phosphorus fertilizer and the appropriate amount of insecticide and fungicides, depending on the variety of fertilizer characteristics put 20 to 50 grams of horseshoe pieces, sprinkled in the surrounding as a base fertilizer, basin soil only fill half basin, not once Pots are full. The pots will not be irrigated in one or two days. The weather will be dry and water will be sprayed to prevent the sprouts from wiping.
2. The mother plant was cut off after nearly one month of growth. In mid-August, the new plant developed vigorously and the mother plant could be cut from the soil surface. Because it was the high-temperature rainy season when the single chrysanthemum was planted on the pot, the parent plant was able to resist drought and rot, and had a tending and regulating effect on the growth of the new plant.
3. After filling off the mother plant, the surface of the potted soil was loosened and filled into 30% culture soil. According to the characteristics and growth of different varieties, appropriate amounts of fertilizer are added to the culture soil.
4. The topdressing autumn is gradually turning cooler and the chrysanthemum grows more and more vigorously. The demand for fertilizer increases. By mid-September, the plant's roots, stems, and leaves have developed. The culture soil mixed with 50% decomposed hemp sauce residue was used as a flowering fertilizer. First spread the soil on the bonsai surface, lightly pour the potted soil, and then mix the loam.
In early October, plants emerged one after another. Observing the growth of different varieties, 0.1% urea and 0.05% potassium dihydrogen phosphate were used to apply the fertilizer once every 6 days. Organic fertilizer sprays were also available, and top dressings were applied three or four times. During this period, the leaves should be inspected every morning. If the veins are widened, the color is darkened, and the leaves are stiff, the amount of fertilizer should be reduced immediately. The buds should stop when they pass through the color.
5. Pull buds from late August to early September, at any time pay attention to observe the plant heart, accurate identification buds and Liu Xitou. The buds next to the normal buds are lateral buds, but the three budding buds at the top of the buds are generally parallel and should be removed as soon as possible.
Plant buds in mid-September, should be timely removal of side buds, in order to protect the full development of the top bud, but should not be carried out too early when the top side buds are not intensive, easy to damage the main buds and new leaves. When budding, one or two side buds should be left as the reserve buds as appropriate. When confirming that normal budding is normal, remove the reserve buds.
6. In order to prevent lodging, and to straighten the plant stalks, the razor-bar tying is used. Wait until the flower head is fully developed and then cut off the excess part of the top of the bamboo.

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