Cutting chrysanthemum production technology points (above) Chrysanthemum is a perennial perennial flower of the chrysanthemum, has a long history of planting in China. Because of its variety, colorful colors, flower-shaped and varied, it is deeply loved by people. It has been known as the top ten flowers with peony and orchid. The chrysanthemum produced as a cut flower generally undergoes the following processes: seedling cultivation, planting management, cut flower production, and transportation. First, the budding seedling greenhouse seedlings are not subject to seasonal restrictions. When the mother's foot buds grow to 4 to 5 centimeters in length, individuals who have fullness, heads, strength, and distance from the mother plant are selected and cut off with a knife, leaving the upper part 2 to 4 leaves. According to different varieties, insert into the irrigated prime sand, sandy loam or perlite. The cutting depth is about 1/3 of that of the chrysanthemum buds. The cuttings should not be overly dense. After the water is inserted, the gap is closed. Pay attention to light and ventilation to prevent mildew and disease. Keep the cutting temperature at about 10°C to 15°C in the early stage of cutting to promote rooting. Take about 1 month to take root. Second, planting management will be rooted chrysanthemum buds planted in pots or planted in situ. Chrysanthemums are afraid of earthworms. It is appropriate to use sandy loam soil with good water permeability. The ridge-planting plants were planted at a distance of about 20 cm. The juveniles in this period need a lot of nutrients for growth, and fertilizer and water management should be strengthened. The stage of plant growth is dominated by nitrogen fertilizer. Generally, 500 to 800 times of soaked diammonium phosphate or cooked soybean cake water is used as a diluent. Fertilizer should be avoided when the fertilizer is poured on the stems and leaves. Watering immediately after fertilization can wash away the residual fertilizer on the stems and leaves to prevent burning seedlings. When the chrysanthemum bud grows to about 15 centimeters, it can be picked up. When topping, the upper part retains a branch of stem and about 10 new leaves to promote the metabolism of the inulin. At the same time timely removal of the old leaves of the base, so that the seedlings ventilate, light, and at any time to pay attention to the mother strain side buds. About half a month or so, the young sprouts sprouted. When the new foot bud grows to about 10 cm, pruning is performed according to different needs. Some varieties need to be kept as single chrysanthemums, such as the shorter 'Ziyun', 'Silver Lotus', 'Glory' and other species, with good branching and strong chrysanthemum branches. go with. For the chrysanthemum, it is properly pruned according to the specific conditions of the plant. This stage should pay attention to the temperature is not too high, well-ventilated, water control to see dry see wet. Watering should be early in the morning. In order to prevent the plants from becoming long-term, Cetocinazole paclobutrazol (5000 times solution) or B9 (400 to 600 times solution) may be sprayed every 10 days at this stage. Chrysanthemum buds were found to stop spraying to prevent burning buds. In order to promote early flowering, short-day treatment may be performed so that the time for the seedlings to see the light is less than 13.5 hours. The specific operation is as follows: 4:00 pm to 8:00 in the next day, shading with a black plastic cloth. In order to avoid high temperatures and maintain ventilation, the plastic cloth can be uncovered after dark, and then covered before dawn, so that about 40 days after the emergence of chrysanthemum. At this stage, we must seize the time to buds and promote the growth of the buds at the top of the shoots. At the same time, we should regularly apply phosphorus and potassium fertilizers, and stop the short days when the buds reach fullness.
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